The p/pi ratio pT-dependence in the RHIC range od baryo-chemical potential

Details The p/pi ratio pT-dependence in the RHIC range od baryo-chemical potential The p/pi ratio pT-dependence in the RHIC range od baryo-chemical potential

2008-06-06

arxiv.org/abs/0806.1162v1

Indian J.Phys.85:183-187,2011

Physics

Nuclear Physics

Nuclear Experiment

4 pages, 3 figures; to be appeared in the poster proceedings of Quark Matter 2008, Jaipur, India, 4-10 Feb 2008

Scientific paper

10.1007/s12648-011-0038-2

The BRAHMS measurement of proton-to-pion ratios in Au+Au and p+p collisions at 62.4 and 200 GeV is presented as a function of transverse momentum and collision centrality within the pseudorapidity range 0 < eta < 3.2. The p/pi ratio measured for Au+Au system at 62.4 GeV, eta = 3.2 reaches astounding value of 8-10 at pT >= 1.5 GeV/c. For these energy and pseudorapidity interval no centrality dependency of p/pi ratio is observed. The baryon-to-meson ratio of nucleus-nucleus data are consistent with results obtained for p+p interactions.

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