Spectra and ratios of identified particles in Au+Au and d+Au collisions at sqrt(s_NN)=200 GeV
Creators: name: Adare, A.
name: Afanasiev, S.
name: Aidala, C.
name: Ajitanand, N. N.
name: Akiba, Y.
name: Al-Bataineh, H.
name: Alexander, J.
name: Angerami, A.
name: Aoki, K.
name: Apadula, N.
name: Aramaki, Y.
name: Atomssa, E. T.
name: Averbeck, R.
name: Awes, T. C.
name: Azmoun, B.
name: Babintsev, V.
name: Bai, M.
name: Baksay, G.
name: Baksay, L.
name: Barish, K. N.
name: Bassalleck, B.
name: Basye, A. T.
name: Bathe, S.
name: Baublis, V.
name: Baumann, C.
name: Bazilevsky, A.
name: Belikov, S.
name: Belmont, R.
name: Bennett, R.
name: Berdnikov, A.
name: Berdnikov, Y.
name: Bhom, J. H.
name: Bickley, A. A.
name: Blau, D. S.
name: Bok, J. S.
name: Boyle, K.
name: Brooks, M. L.
name: Buesching, H.
name: Bumazhnov, V.
name: Bunce, G.
name: Butsyk, S.
name: Camacho, C. M.
name: Campbell, S.
name: Caringi, A.
name: Chen, C. -H.
name: Chi, C. Y.
name: Chiu, M.
name: Choi, I. J.
name: Choi, J. B.
name: Choudhury, R. K.
name: Christiansen, P.
name: Chujo, T.
name: Chung, P.
name: Chvala, O.
name: Cianciolo, V.
name: Citron, Z.
name: Cole, B. A.
name: del Valle, Z. Conesa
name: Connors, M.
name: Constantin, P.
name: Csanád, M.
name: Csörgő, T.
name: Dahms, T.
name: Dairaku, S.
name: Danchev, I.
name: Das, K.
name: Datta, A.
name: David, G.
name: Dayananda, M. K.
name: Denisov, A.
name: Deshpande, A.
name: Desmond, E. J.
name: Dharmawardane, K. V.
name: Dietzsch, O.
name: Dion, A.
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name: Drapier, O.
name: Drees, A.
name: Drees, K. A.
name: Durham, J. M.
name: Durum, A.
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name: D'Orazio, L.
name: Edwards, S.
name: Efremenko, Y. V.
name: Ellinghaus, F.
name: Engelmore, T.
name: Enokizono, A.
name: En'yo, H.
name: Esumi, S.
name: Fadem, B.
name: Fields, D. E.
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name: de Cassagnac, R. Granier
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name: Kyle, G. S.
name: Lacey, R.
name: Lai, Y. S.
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name: Lebedev, A.
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name: Towell, R. S.
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name: Veicht, A.
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name: Vinogradov, A. A.
name: Virius, M.
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name: Wang, X. R.
name: Watanabe, D.
name: Watanabe, K.
name: Watanabe, Y.
name: Wei, F.
name: Wei, R.
name: Wessels, J.
name: White, S. N.
name: Winter, D.
name: Wood, J. P.
name: Woody, C. L.
name: Wright, R. M.
name: Wysocki, M.
name: Xie, W.
name: Yamaguchi, Y. L.
name: Yamaura, K.
name: Yang, R.
name: Yanovich, A.
name: Ying, J.
name: Yokkaichi, S.
name: You, Z.
name: Young, G. R.
name: Younus, I.
name: Yushmanov, I. E.
name: Zajc, W. A.
name: Zhang, C.
name: Zhou, S.
name: Zolin, L.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: The transverse momentum (p_T) spectra and ratios of identified charged hadrons (π^+/-, K^+/-, p, p^bar) produced in sqrt(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--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.
description: 416 authors, 18 pages, 15 figures, 4 tables. Submitted to Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html