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  1. Measurement of Charge Multiplicity Asymmetry Correlations in High Energy Nucleus-Nucleus Collisions at 200 GeV
    Autor*in: Adamczyk, L.; Borowski, W.; Kabana, S.
    Erschienen: 2014
    Verlag:  HAL CCSD ; American Physical Society

    26 pages, 25 figures, 2 tables ; see paper for full list of authors ; A study is reported of the same- and opposite-sign charge-dependent azimuthal correlations with respect to the event plane in Au+Au collisions at 200 GeV. The charge multiplicity... mehr

     

    26 pages, 25 figures, 2 tables ; see paper for full list of authors ; A study is reported of the same- and opposite-sign charge-dependent azimuthal correlations with respect to the event plane in Au+Au collisions at 200 GeV. The charge multiplicity asymmetries between the up/down and left/right hemispheres relative to the event plane are utilized. The contributions from statistical fluctuations and detector effects were subtracted from the (co-)variance of the observed charge multiplicity asymmetries. In the mid- to most-central collisions, the same- (opposite-) sign pairs are preferentially emitted in back-to-back (aligned on the same-side) directions. The charge separation across the event plane, measured by the difference, $\Delta$, between the like- and unlike-sign up/down $-$ left/right correlations, is largest near the event plane. The difference is found to be proportional to the event-by-event final-state particle ellipticity (via the observed second-order harmonic $v_2^{\rm obs}$, where $\Delta=(1.3\pm1.4({\rm stat})^{+4.0}_{-1.0}({\rm syst}))\times10^{-5}+(3.2\pm0.2({\rm stat})^{+0.4}_{-0.3}({\rm syst}))\times10^{-3}v_2^{\rm obs}$ for 20-40% Au+Au collisions. The implications for the proposed chiral magnetic effect (\cme) are discussed.

     
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    Übergeordneter Titel: ISSN: 2469-9985 ; EISSN: 2469-9993 ; Physical Review C ; http://hal.in2p3.fr/in2p3-00797208 ; Physical Review C, American Physical Society, 2014, 89, pp.044908. ⟨10.1103/PhysRevC.89.044908⟩
    Schlagworte: [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]; [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th]
  2. Azimuthal correlations of heavy quarks in Pb + Pb collisions at s√=2.76 TeV at the CERN Large Hadron Collider
    Autor*in: Nahrgang, Marlene; Aichelin, Joerg; Gossiaux, Pol-Bernard; Werner, Klaus
    Erschienen: 2014
    Verlag:  HAL CCSD ; American Physical Society

    In this paper we study the azimuthal correlations of heavy quarks in Pb+Pb collisions with $\sqrt{s}=2.76$ TeV at LHC. Due to the interaction with the medium heavy quarks and antiquarks are deflected from their original direction and the initial... mehr

     

    In this paper we study the azimuthal correlations of heavy quarks in Pb+Pb collisions with $\sqrt{s}=2.76$ TeV at LHC. Due to the interaction with the medium heavy quarks and antiquarks are deflected from their original direction and the initial correlation of the pair is broadened. We investigate this effect for different transverse momentum classes. Low-momentum heavy-quark pairs lose their leading order back-to-back initial correlation, while a significant residual correlation survives at large momenta. Due to the larger acquired average deflection from their original directions the azimuthal correlations of heavy-quark pairs are broadened more efficiently in a purely collisional energy loss mechanism compared to including radiative corrections. This discriminatory feature survives when next-to-leading order production processes are included.

     
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    Übergeordneter Titel: ISSN: 2469-9985 ; EISSN: 2469-9993 ; Physical Review C ; http://hal.in2p3.fr/in2p3-00835775 ; Physical Review C, American Physical Society, 2014, 90, pp.024907. ⟨10.1103/PhysRevC.90.024907⟩
    Schlagworte: [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]; [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]; [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th]
  3. J/psi production and nuclear effects in p-Pb collisions at sqrt(sNN)=5.02 TeV
    Autor*in: Abelev, B.; Aphecetche, Laurent; Baek, Y.W.; Baldisseri, A.; Barret, V.; Bastid, N.; Belikov, I.; Bergognon, A.A.E.; Borel, H.; Bregant, M.; Castillo Castellanos, J.; Charvet, J.L.; Cheshkov, C.; Cheynis, B.; Crochet, P.; Delagrange, H.; Ducroux, L.; Dupieux, P.; Erazmus, B.; Estienne, Magali; Germain, Marie; Grossiord, J.-Y.; Guilbaud, Maxime; Lardeux, A.; Li, S.; Lopez, X.; Manso, F.; Marchisone, M.; Martinez Garcia, Gines; Martin Blanco, J.; Mas, A.; Massacrier, L.; Molnar, L.; Pereira da Costa, H.; Pillot, Philippe; Porteboeuf-Houssais, S.; Rakotozafindrabe, A.; Rosnet, P.; Roy, C.; Sanchez Castro, X.; Schutz, Y.; Shabetai, Alexandre; Stocco, Diego; Tieulent, R.; Uras, A.; Vernet, R.; Vulpescu, B.; Yang, H.; Zhang, X.; Zoccarato, Y.
    Erschienen: 2014
    Verlag:  HAL CCSD ; Springer

    Comments: 20 pages, 6 captioned figures, 0 tables, authors from page 15 to page 17 ; see paper for full list of authors ; Inclusive J/psi production has been studied with the ALICE detector in p-Pb collisions at sqrt(sNN) = 5.02 TeV at the CERN LHC,... mehr

     

    Comments: 20 pages, 6 captioned figures, 0 tables, authors from page 15 to page 17 ; see paper for full list of authors ; Inclusive J/psi production has been studied with the ALICE detector in p-Pb collisions at sqrt(sNN) = 5.02 TeV at the CERN LHC, in the rapidity domains 2.03 < ycms < 3.53 and -4.46 < ycms < -2.96, down to zero transverse momentum. The J/psi measurement is performed in the Muon Spectrometer through the mu+ mu- decay mode. In this paper, the J/psi production cross section and the nuclear modification factor R(pPb) for the rapidities under study are presented. While at forward rapidity, corresponding to the proton direction, a suppression of the J/psi yield with respect to binary-scaled pp collisions is observed, in the backward region no suppression is present. The ratio of the forward and backward yields is also shown differentially in rapidity and transverse momentum. Theoretical predictions based on nuclear shadowing, as well as on models including, in addition, a contribution from partonic energy loss, are in fair agreement with the experimental results.

     
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    Übergeordneter Titel: ISSN: 1126-6708 ; EISSN: 1029-8479 ; Journal of High Energy Physics ; https://hal.in2p3.fr/in2p3-00856719 ; Journal of High Energy Physics, Springer, 2014, 2, pp.073. &#x27E8;10.1007/JHEP02(2014)073&#x27E9;
    Schlagworte: [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]; [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
  4. Neutral pion cross section and spin asymmetries at intermediate pseudorapidity in polarized proton collisions at sqrt{s} = 200 GeV
    Autor*in: Adamczyk, L.; Borowski, W.; Kabana, S.
    Erschienen: 2014
    Verlag:  HAL CCSD ; American Physical Society

    11 pages, 9 figures, REVTeX 4.1, Submitted to Phys. Rev. D ; see paper for full list of authors ; The differential cross section and spin asymmetries for neutral pions produced within the intermediate pseudorapidity range 0.8 < {\eta} < 2.0 in... mehr

     

    11 pages, 9 figures, REVTeX 4.1, Submitted to Phys. Rev. D ; see paper for full list of authors ; The differential cross section and spin asymmetries for neutral pions produced within the intermediate pseudorapidity range 0.8 < {\eta} < 2.0 in polarized proton-proton collisions at sqrt{s} = 200 GeV are presented. Neutral pions were detected using the endcap electromagnetic calorimeter in the STAR detector at RHIC. The cross section was measured over a transverse momentum range of 5 < p_T < 16 GeV/c and is found to be within the scale uncertainty of a next-to-leading order perturbative QCD calculation. The longitudinal double-spin asymmetry, A_LL, is measured in the same pseudorapidity range. This quantity is sensitive to the gluonic contribution to the proton spin, {\Delta}g(x), at low Bjorken-x (down to x approx 0.01), where it is less constrained by measurements at central pseudorapidity. The measured A_LL is consistent with model predictions. The parity-violating asymmetry, A_L, is also measured and found to be consistent with zero. The transverse single-spin asymmetry, A_N, is measured within a previously unexplored kinematic range in Feynman-x and p_T. Such measurements may aid our understanding of the on-set and kinematic dependence of the large asymmetries observed at more forward pseudorapidity ({\eta} approx 3) and their underlying mechanisms. The A_N results presented are consistent with a twist-3 model prediction of a small asymmetry within the present kinematic range.

     
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    Übergeordneter Titel: ISSN: 1550-7998 ; EISSN: 1550-2368 ; Physical Review D ; http://hal.in2p3.fr/in2p3-00860077 ; Physical Review D, American Physical Society, 2014, 89, pp.012001. &#x27E8;10.1103/PhysRevD.89.012001&#x27E9;
    Schlagworte: [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]; [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
  5. Centrality, rapidity and transverse momentum dependence of J/Psi suppression in Pb-Pb collisions at sqrt(sNN)=2.76TeV
    Autor*in: Abelev, B.; Aphecetche, Laurent; Baek, y.W.; Bastid, N.; Batigne, Guillaume; Bergognon, A.A.E.; Bregant, M.; Cheshkov, C.; Cheynis, B.; Crochet, P.; Delagrange, H.; Ducroux, L.; Dupieux, P.; Erazmus, B.; Germain, Marie; Grossiord, J.-y.; Guilbaud, Maxime; Hippolyte, B.; Ianigro, J.-C.; Kuhn, C.; Lardeux, A.; Li, S.; Lopez, X.; Manso, F.; Marchisone, M.; Mart'Nez Garcia, G.; Martin Blanco, J.; Mas, A.; Morreale, A.; Pillot, Philippe; Porteboeuf-Houssais, S.; Ronflette, L.; Rosnet, P.; Roy, C.; Sanchez Castro, X.; Schutz, y.; Shabetai, Alexandre; Stocco, Diego; Tieulent, R.; Uras, A.; Valencia Palomo, L.; Vernet, R.; Vulpescu, B.; Wang, M.; Zhang, X.; Zoccarato, y.; Arbor, N.; Conesa Balbastre, G.; Faivre, J.; Furget, C.
    Erschienen: 2014
    Verlag:  HAL CCSD ; Elsevier

    20 pages, 5 captioned figures, 2 tables, authors from page 15 to page 17 ; see paper for full list of authors ; The inclusive J/Psi nuclear modification factor Raa in Pb-Pb collisions at sqrt(sNN)=2.76TeV has been measured by ALICE as a function of... mehr

     

    20 pages, 5 captioned figures, 2 tables, authors from page 15 to page 17 ; see paper for full list of authors ; The inclusive J/Psi nuclear modification factor Raa in Pb-Pb collisions at sqrt(sNN)=2.76TeV has been measured by ALICE as a function of centrality in the e+e- decay channel at mid-rapidity |y| < 0.8 and as a function of centrality, transverse momentum and rapidity in the u+u- decay channel at forward-rapidity 2.5 < y < 4.The J/Psi yields measured in Pb-Pb are suppressed compared to those in pp collisions scaled by the number of binary collisions.The Raa integrated over a centrality range corresponding to 90% of the inelastic Pb-Pb cross section is 0.72 +- 0.06 (stat.) +- 0.10 (syst.) at mid-rapidity and 0.57 +- 0.01 (stat.) +- 0.09 (syst.) at forward-rapidity.At low transverse momentum, significantly larger values of Raa are measured at forward-rapidity compared to measurements at lower energy.These features suggest that a contribution to the J/Psi yield originates from charm quarks (re)combination in the deconfined partonic medium.

     
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    Übergeordneter Titel: ISSN: 0370-2693 ; Physics Letters B ; http://hal.in2p3.fr/in2p3-00879452 ; Physics Letters B, Elsevier, 2014, 734, pp.314-327. &#x27E8;10.1016/j.physletb.2014.05.064&#x27E9;
    Schlagworte: [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]; [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
  6. System-size dependence of open-heavy-flavor production in nucleus-nucleus collisions at $\sqrt{s_{_{NN}}}$=200 GeV
    Autor*in: Adare, A.; Aphecetche, Laurent; Atomssa, E. T.; Delagrange, H.; Drapier, O.; Fleuret, F.; Gadrat, S.; Gonin, M.; de Cassagnac, R. Granier; Henni, A. Hadj; Rakotozafindrabe, A.; Roche, G.; Romana, A.; Rosnet, P.; Tram, V-N.; Comets, M. P.; Jouan, D.; Suire, C.
    Erschienen: 2014
    Verlag:  HAL CCSD ; American Physical Society

    380 authors, 13 pages, 12 figures, 2 tables. Submitted to Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html,... mehr

     

    380 authors, 13 pages, 12 figures, 2 tables. Submitted to Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at www.phenix.bnl.gov/papers.html, see paper for full list of authors ; The PHENIX Collaboration at the Relativistic Heavy Ion Collider has measured open heavy flavor production in Cu$+$Cu collisions at $\sqrt{s_{_{NN}}}$=200 GeV through the measurement of electrons at midrapidity that originate from semileptonic decays of charm and bottom hadrons. In peripheral Cu$+$Cu collisions an enhanced production of electrons is observed relative to $p$$+$$p$ collisions scaled by the number of binary collisions. In the transverse momentum range from 1 to 5 GeV/$c$ the nuclear modification factor is $R_{AA}$$\sim$1.4. As the system size increases to more central Cu$+$Cu collisions, the enhancement gradually disappears and turns into a suppression. For $p_T>3$ GeV/$c$, the suppression reaches $R_{AA}$$\sim$0.8 in the most central collisions. The $p_T$ and centrality dependence of $R_{AA}$ in Cu$+$Cu collisions agree quantitatively with $R_{AA}$ in $d+$Au and Au$+$Au collisions, if compared at similar number of participating nucleons $\langle N_{\rm part} \rangle$.

     
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    Übergeordneter Titel: ISSN: 2469-9985 ; EISSN: 2469-9993 ; Physical Review C ; http://hal.in2p3.fr/in2p3-00879551 ; Physical Review C, American Physical Society, 2014, 90, pp.034903. &#x27E8;10.1103/PhysRevC.90.034903&#x27E9;
    Schlagworte: [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
  7. Analysing radial flow features in p-Pb and p-p collisions at several TeV by studying identified particle production in EPOS3
    Autor*in: Werner, Klaus; Guiot, B.; Karpenko, Iu.; Pierog, T.
    Erschienen: 2014
    Verlag:  HAL CCSD ; American Physical Society

    International audience ; Experimental transverse momentum spectra of identified particles in p-Pb collisions at 5.02 TeV show many similarities to the corresponding Pb-Pb results, the latter ones usually being interpreted in term of hydrodynamic... mehr

     

    International audience ; Experimental transverse momentum spectra of identified particles in p-Pb collisions at 5.02 TeV show many similarities to the corresponding Pb-Pb results, the latter ones usually being interpreted in term of hydrodynamic flow. We analyse these data using EPOS3, an event generator based on a 3D+1 viscous hydrodynamical evolution starting from flux tube initial conditions, which are generated in the Gribov-Regge multiple scattering framework. An individual scattering is referred to as Pomeron, identified with a parton ladder, eventually showing up as flux tubes (or strings). Each parton ladder is composed of a pQCD hard process, plus initial and final state linear parton emission. Nonlinear effects are considered by using saturation scales $Q_{s}$, depending on the energy and the number of participants connected to the Pomeron in question. We compute transverse momentum ($p_{t}$) spectra of pions, kaons, protons, lambdas, and $\Xi$ baryons in p-Pb and p-p scattering, compared to experimental data and many other models. In this way we show in a quantitative fashion that p-Pb data (and even p-p ones) show the typical ''flow effect'' of enhanced particle production at intermediate $p_{t}$ values, more and more visible with increasing hadron mass.

     
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    Übergeordneter Titel: ISSN: 2469-9985 ; EISSN: 2469-9993 ; Physical Review C ; http://hal.in2p3.fr/in2p3-00914184 ; Physical Review C, American Physical Society, 2014, 89 (6), pp.064903. &#x27E8;10.1103/PhysRevC.89.064903&#x27E9;
    Schlagworte: [PHYS.ASTR.HE]Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE]; [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE]; [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]; [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th]
  8. Collisional processes of on-shell and off-shell heavy quarks in vacuum and in the Quark-Gluon-Plasma
    Autor*in: Berrehrah, H.; Bratkovskaya, E.; Cassing, W.; Gossiaux, Pol-Bernard; Aichelin, Joerg; Bleicher, M.
    Erschienen: 2014
    Verlag:  HAL CCSD ; American Physical Society

    28 pages, 32 figures ; We study the heavy quark scattering on partons of the quark gluon plasma (QGP) being especially interested in the collisional (elastic) scattering processes of heavy quarks on quarks and gluons. We calculate the different cross... mehr

     

    28 pages, 32 figures ; We study the heavy quark scattering on partons of the quark gluon plasma (QGP) being especially interested in the collisional (elastic) scattering processes of heavy quarks on quarks and gluons. We calculate the different cross sections for perturbative partons (massless on-shell particles in the vacuum) and for dynamical quasi-particles (off-shell particles in the QGP medium as described by the dynamical quasi-particles model "DQPM") using the leading order Born diagrams. Our results show clearly the effect of a finite parton mass and width on the perturbative elastic $(q(g) Q \rightarrow q (g) Q)$ cross sections which depend on temperature $T$, energy density $\epsilon$, the invariant energy $\sqrt{s}$ and the scattering angle $\theta$. Our detailed comparisons demonstrate that the finite width of the quasi-particles in the DQPM - which encodes the multiple partonic scattering - has little influence on the cross section for $q Q \rightarrow q Q$ as well as $g Q \rightarrow g Q$ scattering except close to thresholds. Thus when studying the dynamics of energetic heavy quarks in a QGP medium the spectral width of the degrees-of-freedom may be discarded. We have, furthermore, compared the cross sections from the DQPM with corresponding results from hard-thermal-loop (HTL) approaches. The HTL inspired models - essentially fixing the regulators by elementary vacuum cross sections and decay amplitudes instead of properties of the QGP at finite temperature - provide quite different results especially w.r.t. the temperature dependence of the $qQ$ and $gQ$ cross sections (in all settings). Accordingly, the transport properties of heavy quarks will be very different as a function of temperature when compared to DQPM results.

     
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    Übergeordneter Titel: ISSN: 2469-9985 ; EISSN: 2469-9993 ; Physical Review C ; http://hal.in2p3.fr/in2p3-00915702 ; Physical Review C, American Physical Society, 2014, 89, pp.054901. &#x27E8;10.1103/PhysRevC.89.054901&#x27E9;
    Schlagworte: [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]; [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th]
  9. Measurement of transverse-single-spin asymmetries for midrapidity and forward-rapidity production of hadrons in polarized p+p collisions at $\sqrt{s}=$200 and 62.4 GeV
    Autor*in: Adare, A.; Afanasiev, S.; Aidala, C.; Ajitanand, N. N.; Akiba, Y.; Al-Bataineh, H.; Alexander, J.; Angerami, A.; Aoki, K.; Apadula, N.; Aphecetche, Laurent; Aramaki, Y.; Asai, J.; Atomssa, E. T.; Averbeck, R.; Awes, T. C.; Azmoun, B.; Babintsev, V.; Bai, M.; Baksay, G.; Baksay, L.; Baldisseri, A.; Barish, K. N.; Barnes, P. D.; Bassalleck, B.; Basye, A. T.; Bathe, S.; Batsouli, S.; Baublis, V.; Baumann, Cédric; Bazilevsky, A.; Belikov, S.; Belmont, R.; Bennett, R.; Berdnikov, A.; Berdnikov, Y.; Bhom, J. H.; Bickley, A. A.; Blau, D. S.; Boissevain, J. G.; Bok, J. S.; Borel, H.; Boyle, K.; Brooks, M. L.; Buesching, H.; Bumazhnov, V.; Bunce, G.; Butsyk, S.; Muñoz Camacho, C.; Campbell, S.
    Erschienen: 2014
    Verlag:  HAL CCSD ; American Physical Society

    451 authors, 16 pages, 11 figures, and 10 tables. Submitted to Phys. Rev. D. Plain text data tables for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html ; Measurements of... mehr

     

    451 authors, 16 pages, 11 figures, and 10 tables. Submitted to Phys. Rev. D. Plain text data tables for this and previous PHENIX publications are (or will be) publicly available at www.phenix.bnl.gov/papers.html ; Measurements of transverse-single-spin asymmetries ($A_{N}$) in $p$$+$$p$ collisions at $\sqrt{s}=$62.4 and 200 GeV with the PHENIX detector at RHIC are presented. At midrapidity, $A_{N}$ is measured for neutral pion and eta mesons reconstructed from diphoton decay, and at forward rapidities, neutral pions are measured using both diphotons and electromagnetic clusters. The neutral-pion measurement of $A_{N}$ at midrapidity is consistent with zero with uncertainties a factor of 20 smaller than previous publications, which will lead to improved constraints on the gluon Sivers function. At higher rapidities, where the valence quark distributions are probed, the data exhibit sizable asymmetries. In comparison with previous measurements in this kinematic region, the new data extend the kinematic coverage in $\sqrt{s}$ and $p_T$, and it is found that the asymmetries depend only weakly on $\sqrt{s}$. The origin of the forward $A_{N}$ is presently not understood quantitatively. The extended reach to higher $p_T$ probes the transition between transverse momentum dependent effects at low $p_T$ and multi-parton dynamics at high $p_T$.

     
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    Übergeordneter Titel: ISSN: 1550-7998 ; EISSN: 1550-2368 ; Physical Review D ; https://hal.in2p3.fr/in2p3-00919330 ; Physical Review D, American Physical Society, 2014, 90, pp.012006. &#x27E8;10.1103/PhysRevD.90.012006&#x27E9;
    Schlagworte: [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]; [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
  10. Transverse-energy distributions at midrapidity in $p$$+$$p$, $d$$+$Au, and Au$+$Au collisions at $\sqrt{s_{_{NN}}}=62.4$--200~GeV and implications for particle-production models
    Autor*in: Adler, S. S.; Afanasiev, S.; Aidala, C.; Ajitanand, N. N.; Akiba, Y.; Al-Jamel, A.; Alexander, J.; Aoki, K.; Aphecetche, Laurent; Armendariz, R.; Aronson, S. H.; Averbeck, R.; Awes, T. C.; Azmoun, B.; Babintsev, V.; Baldisseri, A.; Barish, K. N.; Barnes, P. D.; Bassalleck, B.; Bathe, S.; Batsouli, S.; Baublis, V.; Bauer, F.; Bazilevsky, A.; Belikov, S.; Bennett, R.; Berdnikov, Y.; Bjorndal, M. T.; Boissevain, J. G.; Borel, H.; Boyle, K.; Brooks, M. L.; Brown, D. S.; Bruner, N.; Bucher, D.; Buesching, H.; Bumazhnov, V.; Bunce, G.; Burward-Hoy, J. M.; Butsyk, S.; Camard, X.; Campbell, S.; Chai, J. -S.; Chand, P.; Chang, W. C.; Chernichenko, S.; Chi, C. Y.; Chiba, J.; Chiu, M.; Choi, I. J.
    Erschienen: 2014
    Verlag:  HAL CCSD ; American Physical Society

    391 authors, 24 pages, 19 figures, and 15 Tables. Submitted to Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are publicly available at http://www.phenix.bnl.gov/papers.html ;... mehr

     

    391 authors, 24 pages, 19 figures, and 15 Tables. Submitted to Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are publicly available at www.phenix.bnl.gov/papers.html ; Measurements of the midrapidity transverse energy distribution, $d\Et/d\eta$, are presented for $p$$+$$p$, $d$$+$Au, and Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV and additionally for Au$+$Au collisions at $\sqrt{s_{_{NN}}}=62.4$ and 130 GeV. The $d\Et/d\eta$ distributions are first compared with the number of nucleon participants $N_{\rm part}$, number of binary collisions $N_{\rm coll}$, and number of constituent-quark participants $N_{qp}$ calculated from a Glauber model based on the nuclear geometry. For Au$+$Au, $\mean{d\Et/d\eta}/N_{\rm part}$ increases with $N_{\rm part}$, while $\mean{d\Et/d\eta}/N_{qp}$ is approximately constant for all three energies. This indicates that the two component ansatz, $dE_{T}/d\eta \propto (1-x) N_{\rm part}/2 + x N_{\rm coll}$, which has been used to represent $E_T$ distributions, is simply a proxy for $N_{qp}$, and that the $N_{\rm coll}$ term does not represent a hard-scattering component in $E_T$ distributions. The $dE_{T}/d\eta$ distributions of Au$+$Au and $d$$+$Au are then calculated from the measured $p$$+$$p$ $E_T$ distribution using two models that both reproduce the Au$+$Au data. However, while the number-of-constituent-quark-participant model agrees well with the $d$$+$Au data, the additive-quark model does not.

     
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    Übergeordneter Titel: ISSN: 2469-9985 ; EISSN: 2469-9993 ; Physical Review C ; https://hal.in2p3.fr/in2p3-00926179 ; Physical Review C, American Physical Society, 2014, 89, pp.044905. &#x27E8;10.1103/PhysRevC.89.044905&#x27E9;
    Schlagworte: [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
  11. Open bottom states and the anti-B meson propagation in hadronic matter
    Autor*in: Torres-Rincon, Juan M.; Tolos, Laura; Romanets, Olena
    Erschienen: 2014
    Verlag:  HAL CCSD ; American Physical Society

    13 pages, 5 figures ; The interaction and propagation of anti-B mesons with light mesons, N and Delta baryons is studied within a unitarized approach based on effective models that are compatible with chiral and heavy-quark symmetries. We find... mehr

     

    13 pages, 5 figures ; The interaction and propagation of anti-B mesons with light mesons, N and Delta baryons is studied within a unitarized approach based on effective models that are compatible with chiral and heavy-quark symmetries. We find several heavy-quark spin doublets in the open-bottom sectors, where anti-B and anti-B* mesons are present. In the meson sector we find several resonant states, among them, a B0 and a B1 with masses 5530 MeV and 5579 MeV as well as Bs0* and Bs1* narrow states at 5748 MeV and 5799 MeV, respectively. They form two doublets with no experimental identification yet, the first one being the bottom counterpart of the D0(2400) and D1(2430) states, and the second bottom doublet associated to the ubiquitous Ds0* (2317) and the Ds1 (2460). In the baryon sector, several Lambda_b and Sigma_b doublets are identified, among them the one given by the experimental Lambda_b(5910) and Lambda*_b(5921). Moreover, one of our states, the Sigma_b*(5904), turns out to be the bottom counterpart of the Sigma*(1670) and Sigma_c*(2549), which is a case for discovery. We finally analyze different transport coefficients for the anti-B meson in hot matter, such as formed in heavy-ion collisions at RHIC and LHC. For RHIC/LHC energies, the main contribution to the coefficients comes from the interaction of anti-B mesons with pions. However, we also include the effects of baryonic density which might be sizable at temperatures T < 100 MeV, as the chemical potential is expected to increase in the last stages of the expansion. We conclude that although the relaxation time decreases with larger baryonic densities, the anti-B meson does not thermalize at RHIC/LHC energies, representing an ideal probe for the initial bottom distribution.

     
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    Übergeordneter Titel: ISSN: 1550-7998 ; EISSN: 1550-2368 ; Physical Review D ; http://hal.in2p3.fr/in2p3-00958657 ; Physical Review D, American Physical Society, 2014, 89 (7), pp.074042. &#x27E8;10.1103/PhysRevD.89.074042&#x27E9;
    Schlagworte: [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]; [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th]
  12. Measurement of quarkonium production at forward rapidity in pp collisions at sqrt{s}= 7 TeV
    Autor*in: Abelev, B.; Aphecetche, Laurent; Batigne, Guillaume; Cheshkov, C.; Cheynis, B.; Delagrange, H.; Ducroux, L.; Erazmus, B.; Estienne, Magali; Germain, Marie; Grossiord, J.-y.; Guilbaud, Maxime; Hippolyte, B.; Kuhn, C.; Lardeux, A.; Martinez Garcia, Gines; Mas, A.; Massacrier, L.; Morreale, A.; Pillot, Philippe; Ronflette, L.; Roy, C.; Sanchez Castro, X.; Schutz, y.; Shabetai, Alexandre; Stocco, Diego; Tieulent, R.; Uras, A.; Vernet, R.; Wang, M.; Zhu, J.; Zoccarato, y.; Arbor, N.; Conesa Balbastre, G.; Faivre, J.; Furget, C.; Guernane, R.; Kox, S.; Real, J.S.; Silvestre, C.; Baek, y.W.; Barret, V.; Bastid, N.; Crochet, P.; Dupieux, P.; Li, S.; Lopez, X.; Manso, F.; Marchisone, M.; Porteboeuf-Houssais, S.
    Erschienen: 2014
    Verlag:  HAL CCSD ; Springer Verlag (Germany)

    27 pages, 9 captioned figures, 6 tables, authors from page 22 to page 24 ; see paper for full list of authors ; The inclusive production cross sections at forward rapidity of J/psi, psi(2S), Upsilon(1S) and Upsilon(2S) are measured in pp collisions... mehr

     

    27 pages, 9 captioned figures, 6 tables, authors from page 22 to page 24 ; see paper for full list of authors ; The inclusive production cross sections at forward rapidity of J/psi, psi(2S), Upsilon(1S) and Upsilon(2S) are measured in pp collisions at sqrt{s} = 7 TeV with the ALICE detector at the LHC. The analysis is based in a data sample corresponding to an integrated luminosity of 1.35 pb^-1. Quarkonia are reconstructed in the dimuon-decay channel and the signal yields are evaluated by fitting the mu+mu- invariant mass distributions. The differential production cross sections are measured as a function of the transverse momentum pt and rapidity y, over the ranges 0 < pt < 20 GeV/c for J/psi, 0 < pt < 12 GeV/c for all other resonances and for 2.5 < y < 4. The measured cross sections integrated over pt and y, and assuming unpolarized quarkonia, are: sigma_{J/psi} = 6.69 +- 0.04 +- 0.63 microbarn, sigma_{psiprime} = 1.13 +- 0.07 +- 0.14 microbarn, sigma_{Upsilon(1S)} = 54.2 +- 5.0 +- 6.7 nb and sigma_{Upsilon(2S)} = 18.4 +- 3.7 +- 2.2 nb, where the first uncertainty is statistical and the second one is systematic. The results are compared to measurements performed by other LHC experiments and to theoretical models.

     
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    Übergeordneter Titel: ISSN: 1434-6044 ; EISSN: 1434-6052 ; European Physical Journal C: Particles and Fields ; http://hal.in2p3.fr/in2p3-00959806 ; European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2014, 74, pp.2974. &#x27E8;10.1140/epjc/s10052-014-2974-4&#x27E9;
    Schlagworte: [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]; [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
  13. Unusual structure, bonding and properties in a californium borate
    Autor*in: Polinski, Matthew J.; Garner, Edward B.; Maurice, Rémi; Planas, Nora; Stritzinger, Jared T.; Parker, T. Gannon; Cross, Justin N.; Green, Thomas D.; Alekseev, Evgeny V.; van Cleve, Shelley M.; Depmeier, Wulf; Gagliardi, Laura; Shatruk, Michael; Knappenberger, Kenneth L.; Liu, Guokui; Skanthakumar, S.; Soderholm, Lynda; Dixon, David A.; Albrecht-Schmitt, Thomas E.
    Erschienen: 2014
    Verlag:  HAL CCSD ; Nature Publishing Group

    The participation of the valence orbitals of actinides in bonding has been debated for decades. Recent experimental and computational investigations demonstrated the involvement of 6p, 6d and/or 5f orbitals in bonding. However, structural and... mehr

     

    The participation of the valence orbitals of actinides in bonding has been debated for decades. Recent experimental and computational investigations demonstrated the involvement of 6p, 6d and/or 5f orbitals in bonding. However, structural and spectroscopic data, as well as theory, indicate a decrease in covalency across the actinide series, and the evidence points to highly ionic, lanthanide-like bonding for late actinides. Here we show that chemical differentiation between californium and lanthanides can be achieved by using ligands that are both highly polarizable and substantially rearrange on complexation. A ligand that suits both of these desired properties is polyborate. We demonstrate that the 5f, 6d and 7p orbitals are all involved in bonding in a Cf(III) borate, and that large crystal-field effects are present. Synthetic, structural and spectroscopic data are complemented by quantum mechanical calculations to support these observations.

     
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    Übergeordneter Titel: ISSN: 1755-4330 ; Nature Chemistry ; https://hal.in2p3.fr/in2p3-00966875 ; Nature Chemistry, 2014, 6, pp.387-392. &#x27E8;10.1038/nchem.1896&#x27E9;
    Schlagworte: [CHIM.THEO]Chemical Sciences/Theoretical and/or physical chemistry
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  14. Interplay between Local Anisotropies in Binuclear Complexes
    Autor*in: Ruamps, Renaud; Maurice, Rémi; de Graaf, Coen; Guihéry, Nathalie
    Erschienen: 2014
    Verlag:  HAL CCSD ; American Chemical Society

    A systematic study has been undertaken to determine how local distortions affect the overall (molecular) magnetic anisotropies in binuclear complexes. For this purpose we have applied a series of distortions to two binuclear Ni(II) model complexes... mehr

     

    A systematic study has been undertaken to determine how local distortions affect the overall (molecular) magnetic anisotropies in binuclear complexes. For this purpose we have applied a series of distortions to two binuclear Ni(II) model complexes and extracted the magnetic anisotropy parameters of multispin and giant-spin model Hamiltonians. Furthermore, local and molecular magnetic axes frames have been determined. It is shown that certain combinations of local distortions can lead to constructive interference of the local anisotropies and that the largest contribution to the anisotropic exchange does not arise from the second-rank tensor normally included in the multispin Hamiltonian, but rather from a fourth-rank tensor. From the comparison of the extracted parameters, simple rules are obtained to maximize the molecular anisotropy by controlling the local magnetic anisotropy, which opens the way to tune the anisotropy in binuclear or polynuclear complexes.

     
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    Übergeordneter Titel: ISSN: 0020-1669 ; EISSN: 1520-510X ; Inorganic Chemistry ; https://hal.in2p3.fr/in2p3-00983068 ; Inorganic Chemistry, 2014, 53, pp.4508-4516. &#x27E8;10.1021/ic500180k&#x27E9;
    Schlagworte: [CHIM.THEO]Chemical Sciences/Theoretical and/or physical chemistry
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  15. "I have often tried to write myself a pass": A Systemic-Functional Analysis of Discourse in Selected African American Slave Narratives
    Autor*in: Pischel de Ascensao, Tobias
    Erschienen: 2004

    This dissertation uses a functional systemic approach to language to examine the construction of the respective first-person narrators of nine of the most popular, commercially successful and therefore influential African American slave narratives... mehr

     

    This dissertation uses a functional systemic approach to language to examine the construction of the respective first-person narrators of nine of the most popular, commercially successful and therefore influential African American slave narratives published between 1837 and 1862 (Roper, Grandy, Douglass, Brown, Bibb, Northup, Ball, Jacobs, Picquet). This corpus of more than 410,000 words was scanned for various linguistic features such as transitivity of verbs, nominalizations, and several syntactic features. The texts chosen differ as to their methods of production. Some of them were written by the first person narrators themselves, while others were either extensively edited, dictated to an amanuensis, or in some other way controlled. The dialectics of creation and representation through language results in the leading question in this study: how do the first-person slave narrators identify and create a personality for themselves through their texts? This dissertation thus focuses on the linguistic means by which the first-person slave narrator creates what is defined as a “discoursal self”, which helped the narrators to achieve one of their most important goals, namely, to be accepted as reliable. The dissertation consists of six chapters. Chapter 1 introduces a sociohistorical account of slavery, resistance against slavery, abolition, and the development of the slave narrative. The chapter shows that the African American slave narrative was not a completely new and original genre but an amalgamation of a variety of preexisting white and black literary forms. The second chapter is more theoretical and deals with discourse, power, and ideology in the slave narrative. Chapter 3 approaches the language of the slave narrative. The small corpus of scholarly texts that tackle language and style in this genre is reviewed. As an alternative to these approaches, critical discourse analysis (CDA) according to Norman Fairclough is suggested. It eliminates the a priori categorization of specific linguistic features as stylistically significant, because it is based on a functional view of language that perceives linguistic expression as choice on various levels. Every choice is considered meaningful and, according to its presence, absence, or clustering in a given co-text, potentially stylistic. Michael Halliday’s systemic functional grammar is introduced as the basis for the ensuing text analysis. Chapter 4 introduces the first quantitative observations about the density and distribution of the first-person singular pronoun in the narratives. This characteristic is then placed in relation to syntactic condensation in the forms of ellipsis, finiteness and nominalization, all of which are reviewed quantitatively. Finally, this chapter introduces the system of transitivity according to Halliday, Matthiessen, and others. It explains the distinction between the individual process types and provides a quantitative overview of the individual transitivity profiles within each narrative. Chapter 5 represents the main part of this dissertation. Each of the nine narratives is analyzed individually as to the presence of the I-pronoun in the text and the use and distribution of process types. In this way patterns of foregrounded or favored usages against absences of others emerge and contribute to the discoursal selves that the individual narrators present/construct of themselves. These preferred usages in general as well as in their local distributions are examined in detail. The quantitative observations supply the basis for further qualitative analyses derived from a large number of examples from the texts. Thus it is possible to show that each of the narratives is linguistically unique, which results in an individual construction of the respective I-narrator. The use of pronouns, process types and syntactic reconfigurations reveals how control over the activities as well as over the text is constructed, which can be directly related to issues of power. The Summary provides a synopsis of the previous quantitative and qualitative analyses and associates the quantitative results with characteristics of written and oral texts in general. Finally, it thus becomes possible to rank the nine narratives on a cline between predominantly oral and chiefly written characteristics.

     
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  16. Rewriting Histories and Geographies: Cosmopolitan Moments in Contemporary Indian Writing in English
    Autor*in: Cottier Bucher, Annie Madeleine
    Erschienen: 2014
    Verlag:  (:null)

    Other ; In order to grasp the imaginative geographical and historical scope of contemporary Indian writing in English, this thesis claims that it is necessary to think about literature beyond the paradigms of national, postcolonial or even... mehr

     

    Other ; In order to grasp the imaginative geographical and historical scope of contemporary Indian writing in English, this thesis claims that it is necessary to think about literature beyond the paradigms of national, postcolonial or even transnational diasporic literatures. It is asserted that cosmopolitanism, which is here understood to be a concept that encompasses the negotiation of the ethics and practice of migration, community, responsibility, difference and sameness, offers the possibility of thinking critically about migration and globalization in the context of the literary texts at the centre of this thesis: Amitav Ghosh’s Sea of Poppies (2008) and River of Smoke (2011), Salman Rushdie’s The Enchantress of Florence (2007) and M.G. Vassanji’s The Assassin’s Song (2007). Literary criticism has acknowledged the relevance of cosmopolitan thought in contemporary literatures of a global, transnational literary imaginary. Yet the literature concerned with cosmopolitanism has, with a few exceptions, mainly used it as a descriptive rather than as an interpretative term, focusing on the politics of these fictional texts rather than on their aesthetics or in this case, to be more precise, their literary features. In this thesis, the interest is to examine the ethics, practice and aesthetics of cosmopolitan moments in which histories and geographies are rewritten and reimagined, i.e. the propensity of these four novels to remap, rethink and reimagine these narratives of time and space according to an understanding that moves away from postcolonial dichotomies towards a more global view of events that still takes into account existing power relations.

     
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    DDC Klassifikation: Englisch, Altenglisch (420); Englische, altenglische Literaturen (820)
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  17. AIDS in German Literature, Theatre, and Film. The Cultural Dramaturgy of Disorder
    Autor*in: Schappach, Beate
    Erschienen: 2014
    Verlag:  (:null)

    Other ; Background The paper sheds light on the development of the cultural representation of HIV/AIDS in Germany, Austria and Switzerland from the 1980ies until present. It analyses the contribution of literature, theatre, and film to the public... mehr

     

    Other ; Background The paper sheds light on the development of the cultural representation of HIV/AIDS in Germany, Austria and Switzerland from the 1980ies until present. It analyses the contribution of literature, theatre, and film to the public discourse about HIV/AIDS and characterises the rhetorical and iconographic strategies used to construct, represent, and discuss the disease and deal with it. The presentation shows which functions literature, theatre and film have performed within the HIV/AIDS discourse during the last 30 years in German speaking countries. Methods Having a background in Cultural Studies, Theatre Studies and German Studies the study uses methods from these disciplines to analyse the reception of aesthetic strategies – the ‘what’ and ‘how’ – of literary, theatrical and cinematic representations of HIV/AIDS on a micro level. On a macro level interdiscourse analysis (Jürgen Link) and sociological systems theory (Niklas Luhmann) are applied to describe the dramaturgical development of the HIV/AIDS discourse in German speaking countries. Results The public HIV/AIDS discourse in German speaking countries can be divided into seven stages characterised by different dominant modes of representing HIV/AIDS: exclusion and blame, prevention, integration, refuse of integration, apocalyptic scenarios, thrill, and normalisation. The dramaturgy of the HIV/AIDS discourse is initialised by the occurrence of the new disease in the 1980ies. In the first years it followed the pattern of historical epidemic discourses (plague, leprosy, syphilis). Since then, two major plotpoints have changed the structure of the discourse altogether: the discovery of the HI-Virus and the introduction of combined antiretroviral therapy. In the 21st century HIV/AIDS starts to become normalised. Nevertheless discrimination patterns known from the HIV/AIDS discourse of the 1980ies can be found again in medial representations. Conclusions The paper discusses the complex relationship between cultural and medical communication in the face of HIV/AIDS. Literature, theatre, and film perform different functions dealing with the disease: 1. feeding rhetorical and iconographic representations into the public discourse 2. observing and documenting the discourse about HIV/AIDS in the mass media 3. intervening in the public discourse through criticism or alternative interpretations 4. offering coping / passing strategies and strategies of assigning meaning to the disease.

     
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    DDC Klassifikation: Geschichte Europas (940); Literatur und Rhetorik (800); Freizeitgestaltung, darstellende Künste, Sport (790); Sozialwissenschaften (300); Geschichte und Geografie (900)
    Schlagworte: rhetoric & criticism; games & entertainment; sociology & anthropology
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  18. Intermedialität: Text/Bild-Verhältnisse
    Autor*in: Rippl, Gabriele
    Erschienen: 2014
    Verlag:  De Gruyter

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    DDC Klassifikation: Englische, altenglische Literaturen (820); Englisch, Altenglisch (420)
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  19. Frederick Beiser: German Idealism. The Struggle against Subjectivism, 1781-1801
    Autor*in: Millán-Zaibert, Elizabeth
    Erschienen: 2004
    Verlag:  Humboldt-Universität zu Berlin

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    DDC Klassifikation: Literatur und Rhetorik (800)
    Schlagworte: Rhetorik; Literaturwissenschaft
  20. „Und wer bin ich denn?” Wordplay and Identity in Tieck's William Lovell
    Autor*in: Tucker, Brian
    Erschienen: 2004
    Verlag:  Humboldt-Universität zu Berlin

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    DDC Klassifikation: Literatur und Rhetorik (800)
    Schlagworte: Rhetorik; Literaturwissenschaft
  21. Hemingway and the Venetian Nobility
    Autor*in: Knigge, Jobst C.
    Erschienen: 2014
    Verlag:  Humboldt-Universität zu Berlin

    Abstract ; Between 1948 and 1954 the American author Ernest Hemingway visited Venice and the surrounding area for four times. In this period he made friendship with members of four local noble families: the Franchetti, di Robilant, Kechler and... mehr

     

    Abstract ; Between 1948 and 1954 the American author Ernest Hemingway visited Venice and the surrounding area for four times. In this period he made friendship with members of four local noble families: the Franchetti, di Robilant, Kechler and Ivancich. He was invited to their palazzi and country estates. He went fishing and hunting with them. He was fascinated by their lifestyle and portrayed members of the families in his novel "Across the River and into the Trees". The center figure was Adriana Ivancich. She became his "Venetian Muse" and center figure of the novel as Contessa Renata.

     
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    DDC Klassifikation: Amerikanische Literatur in in Englisch (810)
    Schlagworte: Hemingway; Franchetti; Kechler; di Robilant; Ivancich; Across the River and into the Trees; Venice
  22. Mescaline 55, Edith Boissonnas, Henri Michaux, Jean Paulhan
    Autor*in: (:null)
    Erschienen: 2014
    Verlag:  Editions Claire Paulhan

    Other ; Préface de Muriel Pic. Edition établie et annotée par Muriel Pic, avec la participation de Simon Miaz. Ce livre réunit les témoignages d'Edith BOISSONNAS, poétesse suisse (1904-1989), de Henri MICHAUX et de Jean PAULHAN, consacrés à leurs... mehr

     

    Other ; Préface de Muriel Pic. Edition établie et annotée par Muriel Pic, avec la participation de Simon Miaz. Ce livre réunit les témoignages d'Edith BOISSONNAS, poétesse suisse (1904-1989), de Henri MICHAUX et de Jean PAULHAN, consacrés à leurs premières expériences de cette drogue psychotrope, en janvier 1955. Le dimanche 2 janvier 1955, la poétesse suisse Edith Boissonnas retrouve son ami et éditeur Jean Paulhan devant le 16, rue Séguier, où vit Henri Michaux. Dans la poche de Paulhan, des ampoules de mescaline, hallucinogène que lui a procuré le neuropsychiatre Julian de Ajuriaguerra. Après cette journée inaugurale, l'expérimentation sera renouvelée deux fois, les 3 et 9 janvier. Dans les notes (inédites) de son Journal pour moi seule, Boissonnas rend compte de ces expérimentations dont Michaux résumera la déception : « J.P. en cinq mots dit notre pensée à tous. "On n'en sort pas fier". Des trois que nous étions, aucun n'avait donc pris cela avec révérence, mais plutôt comme un tour de prestidigitateur. » Ces journées de janvier 1955 vont pourtant être la source d'une constellation d'écrits, ici réunis par ordre chronologique : échanges épistolaires, proses descriptives, notes cliniques, micro-récits fictionnels, fragments d'essais et poèmes documentaires. Chacun s'acquittera également d'un texte abouti : Boissonnas publie « Mescaline » (1955), Paulhan écrit « Petit rapport sur une expérience » (1955) et Michaux livre Misérable miracle (1956), premier volume de son œuvre consacrée aux drogues, comptant encore quatre ouvrages et une centaine de dessins.

     
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    DDC Klassifikation: Romanische Sprachen; Französisch (440); Literaturen romanischer Sprachen; Französische Literatur (840)
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  23. Detection and Prevention of MAC Layer Misbehavior for ad hoc Networks
    Autor*in: Cardenas, Alvaro A.; Radosavac, Svetlana; Baras, John S.
    Erschienen: 2004
    Verlag:  Defense Technical Information Center

  24. Une analyse des connecteurs pragmatiques fondée sur la théorie de la pertinence et son application au TALN
    Autor*in: Zufferey, Sandrine
    Erschienen: 2004
    Verlag:  Département de linguistique de l'Université de Genève

    Other ; Dans cet article, nous proposons d’appliquer une analyse des connecteurs pragmatiques issue de la théorie de la pertinence au traitement automatique des langues naturelles (TALN). Nous commencerons par montrer les conséquences de... mehr

     

    Other ; Dans cet article, nous proposons d’appliquer une analyse des connecteurs pragmatiques issue de la théorie de la pertinence au traitement automatique des langues naturelles (TALN). Nous commencerons par montrer les conséquences de l’application de la théorie de la pertinence sur l’étude des connecteurs, en prenant pour exemple les connecteurs de l’anglais. Dans un deuxième temps, nous exposerons les contraintes imposées par les limites actuelles du TALN. Enfin, nous proposerons un schéma d’étude des connecteurs pragmatiques pour le TALN ainsi qu’une esquisse d’application de cette méthode.

     
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  25. Review of A.S. Byatt by Mariadele Boccardi
    Autor*in: Rippl, Gabriele
    Erschienen: 2014
    Verlag:  De Gruyter

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    DDC Klassifikation: Englische, altenglische Literaturen (820); Englisch, Altenglisch (420)
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