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| 題名: | Cold-nuclear-matter effects on heavy-quark production in d+Au collisions at √sNN=200 GeV |
| 作者: | 彭仁傑;Ajitanand, N. N.;Averbeck, R.;Babintsev, V.;Baksay, L.;Baublis, V.;Bennett, R.;Berdnikov, A.;Berdnikov, Y.;Butsyk, S.;Chiu, M.;Choi, I. J.;Christiansen, P.;Chung, P.;Cole, B. A.;Csanád, M.;Dairaku, S.;Dharmawardane, K. V.;Dion, A.;Dutta, D.;D’Orazio, L.;Fleuret, F.;Fokin, S. L.;Fujiwara, K.;Glenn, A.;Gonin, M.;Greene, S. V.;Hahn, K. I.;Hanks, J.;Haslum, E.;Hayano, R.;Hohlmann, M.;Holzmann, W.;Homma, K.;Hornback, D.;Ichihara, T.;Ikeda, Y.;Inaba, M.;Isenhower, D.;Joo, K. S.;Jouan, D.;Kang, J. H.;Kazantsev, A. V.;Kijima, K. M.;Kikuchi, J.;Kim, A.;Kinney, E.;Komkov, B.;Koster, J.;Král, A.;Kunde, G. J.;Kurita, K.;Kwon, Y.;Lai, Y. S.;Lajoie, J. G.;Leite, M. A. L.;Lichtenwalner, P.;Liška, T.;Lynch, D.;Maguire, C. F.;Miake, Y.;Mibe, T.;Mignerey, A. C.;Milov, A.;Mitchell, J. T.;Moon, H. J.;Morino, Y.;Moukhanova, T. V.;Nagamiya, S.;Nagle, J. L.;Nakamura, K. R.;Nihashi, M.;Nouicer, R.;Oka, M.;Park, I. H.;Pei, H.;Qu, H.;Sakashita, K.;Seto, R.;Shein, I.;Sorensen, S. P.;Sourikova, I. V.;Stenlund, E.;Takagui, E. M.;Taketani, A.;Tanaka, Y.;Taneja, S.;Tanida, K.;Tannenbaum, M. J.;Tsuchimoto, Y.;Valle, H.;van Hecke, H. W.;Veicht, A.;Velkovska, J.;Watanabe, Y.;Wei, F.;White, S. N.;Yamaguchi, Y. L.;Yang, R.;Yushmanov, I. E.;Zhou, S. |
| 貢獻者: | 高能與強場物理研究中心 |
| 日期: | 2012-12-12 |
| 上傳時間: | 2026-04-23 12:00:26 (UTC+8) |
| 出版者: | American Physical Society;United States: American Physical Society (APS) |
| 摘要: | 摘要： The PHENIX experiment has measured electrons and positrons at midrapidity from the decays of hadrons containing charm and bottom quarks produced in d+Au and p+p collisions at sNN=200 GeV in the transverse-momentum range 0.85≤peT≤8.5 GeV/c. In central d+Au collisions, the nuclear modification factor RdA at 1.5<pT<5 GeV/c displays evidence of enhancement of these electrons, relative to those produced in p+p collisions, and shows that the mass-dependent Cronin enhancement observed at the Relativistic Heavy Ion Collider extends to the heavy D meson family. A comparison with the neutral-pion data suggests that the difference in cold-nuclear-matter effects on light- and heavy-flavor mesons could contribute to the observed differences between the π0 and heavy-flavor-electron nuclear modification factors RAA.
出版者： United States: American Physical Society (APS)
出版日期： 2012-12-12
出處： Physical review letters, 2012-12, Vol.109 (24), Article 242301
資源來源： American Physical Society Journals
識別號： ISSN: 0031-9007
識別號： EISSN: 1079-7114
識別號： DOI: 10.1103/PhysRevLett.109.242301 |
| 顯示於類別: | [高能與強場物理研究中心] 期刊論文
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