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| 題名: | Spectra and ratios of identified particles in Au+Au and d+Au collisions at √sNN=200 GeV |
| 作者: | 彭仁傑;Aidala, C.;Al-Bataineh, H.;Bai, M.;Baublis, V.;Baumann, C.;Chi, C. Y.;Choi, I. J.;Choi, J. B.;Dairaku, S.;Danchev, I.;Das, K.;Denisov, A.;Desmond, E. J.;Dharmawardane, K. V.;Dietzsch, O.;Dion, A.;Donadelli, M.;Drapier, O.;Drees, K. A.;Finger, M.;Fujiwara, K.;Garishvili, I.;Gonin, M.;Greene, S. V.;Haggerty, J. S.;Hamblen, J.;Hartouni, E. P.;Hill, J. C.;Hong, B.;Horaguchi, T.;Ichimiya, R.;Isenhower, D.;Ishihara, M.;Iwanaga, Y.;Jones, T.;Kajihara, F.;Kamihara, N.;Kawall, D.;Kazantsev, A. V.;Khanzadeev, A.;Kikuchi, J.;Kim, E.;Kim, Y.-J.;Kozlov, A.;Kunde, G. J.;Kurita, K.;Kurosawa, M.;Kwon, Y.;Liebing, P.;Liu, M. X.;Love, B.;Luechtenborg, R.;Lynch, D.;Malakhov, A.;Matathias, F.;McGaughey, P. L.;McGlinchey, D.;Miake, Y.;Mignerey, A. C.;Mikeš, P.;Miki, K.;Mitchell, J. T.;Mohanty, A. K.;Moon, H. J.;Morreale, A.;Moukhanova, T. V.;Ogilvie, C. A.;Pak, R.;Pantuev, V.;Pereira, H.;Peressounko, D. Yu.;Petti, R.;Pinkenburg, C.;Proissl, M.;Purwar, A. K.;Qu, H.;Ravinovich, I.;Read, K. F.;Richardson, E.;Saito, N.;Samsonov, V.;Seele, J.;Shibata, T.-A.;Shimomura, M.;Shoji, K.;Sickles, A.;Silvermyr, D.;Silvestre, C.;Singh, V.;Sparks, N. A.;Stankus, P. W.;Sukhanov, A.;Toia, A.;Tsuchimoto, Y.;Vinogradov, A. A.;Vznuzdaev, E.;Winter, D.;Woody, C. L.;Yamaguchi, Y. L.;Yang, R. |
| 貢獻者: | 高能與強場物理研究中心 |
| 關鍵詞: | FOS: Physical sciences;Nuclear Experiment;Nuclear Experiment (nucl-ex) |
| 日期: | 2013-08-22 |
| 上傳時間: | 2026-04-23 12:07:41 (UTC+8) |
| 出版者: | American Physical Society;American Physical Society (APS) |
| 摘要: | 摘要： The transverse momentum (p_T) spectra and ratios of identified charged hadrons ( ^+/-, 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. 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
出版者： American Physical Society (APS)
出版日期： 2013-08-22
出處： Physical Review C, 2013-08, Vol.88 (2)
識別號： ISSN: 0556-2813
識別號： DOI: 10.48550/arxiv.1304.3410
識別號： DOI: 10.1103/physrevc.88.024906 |
| 顯示於類別: | [高能與強場物理研究中心] 期刊論文
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