Study of the azimuthal asymmetry in heavy ion collisions combining initial state momentum orientation and final state collective effects - INSPIRE

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Study of the azimuthal asymmetry in heavy ion collisions combining initial state momentum orientation and final state collective effects

Jul 31, 2023

11 pages

Published in:

Phys.Rev.D 108 (2023) 7, 074013

Published: Oct 1, 2023

e-Print:

2308.00181 [hep-ph]

DOI:

10.1103/PhysRevD.108.074013 (publication)

View in:

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Abstract: (APS)

In the present work we investigate the source of azimuthal asymmetry for nuclear collision using a model that contemplates particles produced in the initial hard collisions and the collective effects described by a Blast-Wave like expansion. The latter is described by the relaxation time approximation of the Boltzmann transport equation. The parameters regarding collective flow and asymmetry are fitted by the experimental data from

p_T

spectrum and

v_2

for PbPb and XeXe collisions at different centrality classes. As a by-product the ratio of final elliptic flow with the initial anisotropy,

v_2/\epsilon_2

, and the average transverse momentum are predicted.

Note:

Version to be published in Physical Review D

angular distribution: asymmetry
particle flow: collective phenomena
heavy ion: scattering
elliptic flow
initial state
anisotropy
transverse momentum
Boltzmann equation
blast wave

References(83)

Figures(7)

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