Spectra and ratios of identified particles in Au+Au and d+Au collisions at √sNN=200 GeV

By A. Adare, S. Afanasiev, C. Aidala, N. Ajitanand, Y. Akiba, H. Al-Bataineh, J. Alexander, A. Angerami, K. Aoki, N. Apadula and 404 more. 2013

150 citations recorded by the source corpus.

The transverse momentum (p(T)) spectra and ratios of identified charged hadrons (pi(+/-), K-+/-, p, (p) over bar) produced in root s(NN) = 200 GeV Au + Au and d + Au collisions are reported in five different centrality classes for each collision species. The measurements of pions and protons are reported up to p(T) = 6 GeV/c (5 GeV/c), and the measurements of kaons are reported up to p(T) = 4 GeV/c (3.5 GeV/c) in Au + Au (d + Au) collisions. In the intermediate p(T) region, between 2 and 5 GeV/c, a significant enhancement of baryon-to-meson ratios compared to those measured in p + p collisions is observed. This enhancement is present in both Au + Au and d + Au collisions and increases as the collisions become more central. We compare a class of peripheral Au + Au collisions with a class of central d + Au collisions which have a comparable number of participating nucleons and binary nucleon-nucleon collisions. The p(T)-dependent particle ratios for these classes display a remarkable similarity, which is then discussed.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/9bfaab45819af921eb46ffe6e0c1887389576d35

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In Nuclear and High Energy Physics

Citations in the corpus

Charged-particle nuclear modification factors in PbPb and pPb collisions at √(s_N N) = 5.02 TeV (2017, background): “The RpA values above unity in the intermediate pT region are qualitatively similar to other observed enhancements due to the Cronin effect and radial flow in pA and dA systems [35, 47].”