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| 題名: | Heavy-flavor electron-muon correlations in p+p and d+Au collisions at sNN =200 GeV |
| 作者: | 彭仁傑;Aidala, C.;Al-Bataineh, H.;Awes, T. C.;Baldisseri, A.;Barnes, P. D.;Belikov, S.;Belmont, R.;Berdnikov, A.;Berdnikov, Y.;Bickley, A. A.;Boissevain, J. G.;Borel, H.;Bumazhnov, V.;Chang, B. S.;Chang, W. C.;Chi, C. Y.;Choi, I. J.;Choi, J. B.;Das, K.;Denisov, A.;Deshpande, A.;Dietzsch, O.;Drapier, O.;Drees, K. A.;Dzhordzhadze, V.;D&apos, L.;Orazio;Eyser, K. O.;Franz, A.;Fukao, Y.;Gong, H.;Cassagnac, R. Granier de;Grim, G.;Perdekamp, M. Grosse;Gunji, T.;Hahn, K. I.;Hamagaki, H.;Hemmick, T. K.;Holzmann, W.;Imai, K.;Jin, J.;Johnson, B. M.;Kamin, J.;Kasai, M.;Kozlov, A.;Kunde, G. J.;Kurosawa, M.;Kwon, Y.;Liebing, P.;Love, B.;Lynch, D.;Makdisi, Y. I.;Matathias, F.;McGlinchey, D.;Meredith, B.;Mignerey, A. C.;Mikeš, P.;Mohanty, A. K.;Moon, H. J.;Morreale, A.;Naglis, M.;Nakagawa, I.;Ozawa, K.;Palounek, A. P. T.;Papavassiliou, V.;Park, W. J.;Peresedov, V.;Pinkenburg, C.;Purwar, A. K.;Riabov, V.;Richardson, E.;Roach, D.;Rukoyatkin, P.;Ružička, P.;Saito, N.;Sakaguchi, T.;Sakashita, K.;Sato, T.;Sawada, S.;Semenov, A. Yu.;Seto, R.;Sim, K. S.;Slunečka, M.;Sondheim, W. E.;Staley, F.;Ster, A.;Sziklai, J.;Tanabe, R.;Tanaka, Y.;Taneja, S.;Tanida, K.;Tannenbaum, M. J.;Tarafdar, S.;Tarján, P.;Toia, A.;Virius, M.;Vznuzdaev, E.;Wei, R.;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: | [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex];FOS: Physical sciences;Nuclear Experiment;Nuclear Experiment (nucl-ex) |
| 日期: | 2014-03-31 |
| 上傳時間: | 2026-04-23 12:02:14 (UTC+8) |
| 出版者: | American Physical Society;American Physical Society (APS) |
| 摘要: | 摘要： We report $e^\pm- ^\mp$ pair yield from charm decay measured between midrapidity electrons ($| |<0.35$ and $p_T>0.5$ GeV/$c$) and forward rapidity muons ($1.41.0$ GeV/$c$) as a function of $ $ in both $p$$+$$p$ and in $d$+Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. Comparing the $p$$+$$p$ results with several different models, we find the results are consistent with a total charm cross section $ _{c\bar{c}} =$ 538 $\pm$ 46 (stat) $\pm$ 197 (data syst) $\pm$ 174 (model syst) $ $b. These generators also indicate that the back-to-back peak at $ = $ is dominantly from the leading order contributions (gluon fusion), while higher order processes (flavor excitation and gluon splitting) contribute to the yield at all $ $. We observe a suppression in the pair yield per collision in $d$+Au. We find the pair yield suppression factor for $2.7 449 authors, 14 pages, 11 figures, 2 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： 2014-03-31
出處： Physical Review C, 2014-03, Vol.89 (3)
識別號： ISSN: 0556-2813
識別號： DOI: 10.48550/arxiv.1311.1427
識別號： DOI: 10.1103/physrevc.89.034915 |
| 顯示於類別: | [高能與強場物理研究中心] 期刊論文
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