Mixed higher-order anisotropic flow and nonlinear response coefficients of charged particles in PbPb collisions at √sNN=2.76 and 5.02TeV

Mixed higher-order anisotropic flow and nonlinear response coefficients of charged particles in PbPb collisions at √sNN=2.76 and 5.02TeV

Bibliografiska uppgifter
Parent link:	European Physical Journal C Vol. 80, iss. 6.— 2020.— [534, 25 p.]
Institutionell upphovsman:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Övriga upphovsmän:	Sirunyan A. M., Tumasyan A. R., Adam W. Wolfgang, Ambrogi F. Federico, Tyurin N. E. Nikolay Evgenjevich, Babaev A. A. Anton Anatoljevich
Sammanfattning:	Title screen Anisotropies in the initial energy density distribution of the quark-gluon plasma created in high energy heavy ion collisions lead to anisotropies in the azimuthal distributions of the final-state particles known as collective anisotropic flow. Fourier harmonic decomposition is used to quantify these anisotropies. The higher-order harmonics can be induced by the same order anisotropies (linear response) or by the combined influence of several lower order anisotropies (nonlinear response) in the initial state. The mixed higher-order anisotropic flow and nonlinear response coefficients of charged particles are measured as functions of transverse momentum and centrality in PbPbPbPb collisions at nucleon-nucleon center-of-mass energies √sNN=2.76 and 5.02TeV with the CMS detector. The results are compared with viscous hydrodynamic calculations using several different initial conditions, as well as microscopic transport model calculations. None of the models provides a simultaneous description of the mixed higher-order flow harmonics and nonlinear response coefficients. Режим доступа: по договору с организацией-держателем ресурса
Publicerad:	2020
Ämnen:	электронный ресурс труды учёных ТПУ
Länkar:	https://doi.org/10.1140/epjc/s10052-020-7834-9
Materialtyp:	Elektronisk Bokavsnitt
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=666269

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