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| 題名: | Nuclear matter effects on J/ψ production in asymmetric Cu+Au collisions at sNN =200 GeV |
| 作者: | 彭仁傑;Aidala, C.;Akiba, Y.;Akimoto, R.;Aoki, K.;Bai, M.;Bathe, S.;Bazilevsky, A.;Chujo, T.;Cole, B. A.;David, G.;Dehmelt, K.;Ding, L.;En&apos, H.;yo;Fadem, B.;Feege, N.;Finger, M.;Fleuret, F.;Gal, C.;Gallus, P.;Garishvili, A.;Garishvili, I.;Giordano, F.;Glenn, A.;Goto, Y.;Perdekamp, M. Grosse;Gunji, T.;Guragain, H.;Hachiya, T.;Han, S. Y.;Hayano, R.;Huang, J.;Ichihara, T.;Imazu, Y.;Isinhue, A.;Jeon, S. J.;Jezghani, M.;Jia, J.;Jiang, X.;Joo, E.;Kamin, J.;Khandai, P. K.;Kim, C.;Kim, D. J.;Kim, Y.-J.;Kim, Y. K.;Kleinjan, D.;Komkov, B.;Kotov, D.;Lebedev, A.;Lee, K. B.;Lee, K. S.;Lee, S. H.;Leitch, M. J.;Makdisi, Y. I.;Makek, M.;Maruyama, T.;McCumber, M.;Meredith, B.;Mignerey, A. C.;Mohanty, A. K.;Montuenga, P.;Nakagomi, H.;Novak, T.;Ozaki, H.;Pak, R.;Pantuev, V.;Papavassiliou, V.;Peressounko, D. Yu.;Purschke, M. L.;Ravinovich, I.;Read, K. F.;Richardson, E.;Rowan, Z.;Sahlmueller, B.;Sato, S.;Schaefer, B.;Schmoll, B. K.;Seidl, R.;Singh, C. P.;Singh, V.;Sourikova, I. V.;Ster, A.;Stoll, S. P.;Stone, M. R.;Sun, J.;Takahara, A.;Timilsina, A.;Todoroki, T.;Towell, R. S.;Veicht, A.;Velkovska, J.;Vértesi, R.;Vrba, V.;Watanabe, D.;Watanabe, Y. S.;Wolin, S.;Woody, C. L.;Xia, B.;Yamaguchi, Y. L.;Zelenski, A. |
| 貢獻者: | 高能與強場物理研究中心 |
| 關鍵詞: | [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex];Cu+Au collisions;FOS: Physical sciences;heavy-ion collisions;J/Psi;J/Psi;heavy-ion collisions;QUARK-GLUON PLASMA;Nuclear modification factor;Cu+Au collisions;shadowing;PHENIX;RHIC;NATURAL SCIENCES. Physics;Nuclear Experiment;Nuclear Experiment (nucl-ex);Nuclear modification factor;PHENIX;PRIRODNE ZNANOSTI. Fizika;QUARK-GLUON PLASMA;RHIC;shadowing |
| 日期: | 2014-12-18 |
| 上傳時間: | 2026-04-23 12:06:27 (UTC+8) |
| 出版者: | American Physical Society;American Physical Society (APS) |
| 摘要: | 摘要： We report on $J/ $ production from asymmetric Cu+Au heavy-ion collisions at $\sqrt{s_{_{NN}}}$=200 GeV at the Relativistic Heavy Ion Collider at both forward (Cu-going direction) and backward (Au-going direction) rapidities. The nuclear modification of $J/ $ yields in Cu$+$Au collisions in the Au-going direction is found to be comparable to that in Au$+$Au collisions when plotted as a function of the number of participating nucleons. In the Cu-going direction, $J/ $ production shows a stronger suppression. This difference is comparable in magnitude and has the same sign as the difference expected from shadowing effects due to stronger low-$x$ gluon suppression in the larger Au nucleus. The relative suppression is opposite to that expected from hot nuclear matter dissociation, since a higher energy density is expected in the Au-going direction. 349 authors, 10 pages, 4 figures, and 4 tables. Submitted to Phys. Rev. C. For v2, fixed LaTeX error in 3rd-to-last sentence. 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： 2014-12-18
出處： Physical Review C, 2014-12, Vol.90 (6)
識別號： ISSN: 0556-2813
識別號： DOI: 10.1103/physrevc.90.064908
識別號： DOI: 10.48550/arxiv.1404.1873 |
| 顯示於類別: | [高能與強場物理研究中心] 期刊論文
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