(v_2\) of charged hadrons in a`soft + hard' model for PbPb collisions at \(\sqrt s\) = 2.76 ATeV

We describe transverse spectra as well as azimuthal anisotropy (\(v_2\)) of charged hadrons stemming from various centrality PbPb collisions at \(\sqrt s\) = 2.76 ATeV analytically in a `soft + hard' model. In this model, we propose that hadron yields produced in heavy-ion collisions are simply...

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Bibliographic Details
Published in:arXiv.org 2015-01
Main Authors: Urmossy, K, Biró, T S, Barnaföldi, G G, Z Xu
Format: Article
Language:English
Subjects:
Anisotropy
Gluons
Hadrons
Ionic collisions
Quark-gluon plasma
Quarks
Online Access:Get full text
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Summary:We describe transverse spectra as well as azimuthal anisotropy (\(v_2\)) of charged hadrons stemming from various centrality PbPb collisions at \(\sqrt s\) = 2.76 ATeV analytically in a `soft + hard' model. In this model, we propose that hadron yields produced in heavy-ion collisions are simply the sum of yields stemming from jets (hard yields) and yields stemming from the Quark-Gluon Plasma (soft yields). The hadron spectra in both types of yields are approximated by the Tsallis distribution. It is found that the anisotropy decreases for more central collisions.
ISSN:2331-8422