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Linear and non-linear flow mode in Pb-Pb collisions at root sNN=2.76 TeV

  1. 1.
    0481333 - ÚJF 2018 RIV NL eng J - Článek v odborném periodiku
    Acharya, S. - Adamová, Dagmar - Bielčík, J. - Bielčíková, Jana - Broz, M. - Contreras, J. G. - Ferencei, Jozef - Hladký, Jan - Horák, D. - Křížek, Filip - Kučera, Vít - Kushpil, Svetlana - Lavička, R. - Mareš, Jiří A. - Petráček, V. - Šumbera, Michal - Vaňát, Tomáš - Závada, Petr … celkem 1038 autorů
    Linear and non-linear flow mode in Pb-Pb collisions at root sNN=2.76 TeV.
    Physics Letters. B. Roč. 773, č. 10 (2017), s. 68-80. ISSN 0370-2693. E-ISSN 1873-2445
    Grant CEP: GA MŠMT(CZ) LG15052
    Institucionální podpora: RVO:68378271 ; RVO:61389005
    Klíčová slova: ALICE collaboration * heavy ion collisions * relativistic nuclear collisions
    Obor OECD: Nuclear physics; Particles and field physics (FZU-D)
    Impakt faktor: 4.254, rok: 2017

    The second and the third order anisotropic flow, V-2 and V-3, are mostly determined by the corresponding initial spatial anisotropy coefficients, epsilon(2) and epsilon(3), in the initial density distribution. In addition to their dependence on the same order initial anisotropy coefficient, higher order anisotropic flow, Vn(n > 3), can also have a significant contribution from lower order initial anisotropy coefficients, which leads to mode-coupling effects. In this Letter we investigate the linear and non-linear modes in higher order anisotropic flow V-n for n = 4, 5, 6 with the ALICE detector at the Large Hadron Collider. The measurements are done for particles in the pseudorapidity range |eta| < 0.8 and the transverse momentum range 0.2 < p(T)< 5.0 GeV/c as a function of collision centrality. The results are compared with theoretical calculations and provide important constraints on the initial conditions, including initial spatial geometry and its fluctuations, as well as the ratio of the shear viscosity to entropy density of the produced system.
    Trvalý link: http://hdl.handle.net/11104/0276911

     
     
Počet záznamů: 1  

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