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19 April 2024

» arxiv » 1603.9621

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Influence of jets and final-state interactions on the triangular flow in ultrarelativistic heavy-ion collisions
J. Crkovska ; J. Bielcik ; L. Bravina ; B.H. Brusheim Johansson ; E. Zabrodin ; G. Eyyubova ; V.L. Korotkikh ; I.P. Lokhtin ; L.V. Malinina ; S.V. Petrushanko ; A.M. Snigirev ;
Date:	31 Mar 2016
Abstract:	Triangular flow v_3 of identified and inclusive particles in lead-lead collisions at sqrt{s_{NN}} = 2.76 TeV is studied as a function of centrality and transverse momentum within the HYDJET++ model. The model enables to investigate the influence of both hard processes and final-state interactions on the harmonics of particle anisotropic flow. Decays of resonances are found to increase the magnitude of the v_3(p_T)-distributions at p_T > 2 GeV/c and shift their maxima to higher transverse momenta. The p_T-integrated triangular flow, however, becomes slightly weakened for all centralities studied. The resonance decays also modify the spectra towards the number-of-constituent-quark (NCQ) scaling fulfillment for the triangular flow, whereas jets are the main source of the scaling violation at energies of Large Hadron Collider. Comparison with the corresponding spectra of elliptic flow reveals several similarities in v_3(p_T) and v_2(p_T) behavior. Obtained results are also confronted to the available experimental data.
Source:	arXiv, 1603.9621
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