Observation of D-0 Meson Nuclear Modifications in Au plus Au Collisions at root(NN)-N-s=200 GeV
文献类型:期刊论文
作者 | Adamczyk, L.1; Adkins, J. K.23; Agakishiev, G.21; Aggarwal, M. M.35; Ahammed, Z.53; Alekseev, I.19; Alford, J.22; Anson, C. D.32; Aparin, A.21; Arkhipkin, D.4 |
刊名 | PHYSICAL REVIEW LETTERS |
出版日期 | 2014-09-30 |
卷号 | 113 |
ISSN号 | 0031-9007 |
DOI | 10.1103/PhysRevLett.113.142301 |
文献子类 | Article |
英文摘要 | We report the first measurement of charmed-hadron (D-0) production via the hadronic decay channel (D-0 -> K- + pi(+)) in Au + Au collisions at root(NN)-N-s = 200 GeV with the STAR experiment. The charm production cross section per nucleon- nucleon collision at midrapidity scales with the number of binary collisions, N-bin, from p + p to central Au + Au collisions. The D-0 meson yields in central Au + Au collisions are strongly suppressed compared to those in p + p scaled by N-bin, for transverse momenta p(T) > 3 GeV/c, demonstrating significant energy loss of charm quarks in the hot and dense medium. An enhancement at intermediate p(T) is also observed. Model calculations including strong charm-medium interactions and coalescence hadronization describe our measurements. |
WOS关键词 | QCD MATTER ; STAR ; COLLABORATION ; DYNAMICS ; SPECTRA ; CHARM |
资助项目 | National Research Foundation[NRF-2012004024] |
WOS研究方向 | Physics |
语种 | 英语 |
出版者 | AMER PHYSICAL SOC |
WOS记录号 | WOS:000343666500004 |
源URL | [http://119.78.100.186/handle/113462/49295] |
专题 | 中国科学院近代物理研究所 |
通讯作者 | Adamczyk, L. |
作者单位 | 1.AGH Univ Sci & Technol, Krakow, Poland 2.Argonne Natl Lab, Argonne, IL 60439 USA 3.Univ Birmingham, Birmingham, W Midlands, England 4.Brookhaven Natl Lab, Upton, NY 11973 USA 5.Univ Calif Berkeley, Berkeley, CA 94720 USA 6.Univ Calif Davis, Davis, CA 95616 USA 7.Univ Calif Los Angeles, Los Angeles, CA 90095 USA 8.Univ Estadual Campinas, Sao Paulo, Brazil 9.Cent China Normal Univ HZNU, Wuhan 430079, Peoples R China 10.Univ Illinois, Chicago, IL 60607 USA |
推荐引用方式 GB/T 7714 | Adamczyk, L.,Adkins, J. K.,Agakishiev, G.,et al. Observation of D-0 Meson Nuclear Modifications in Au plus Au Collisions at root(NN)-N-s=200 GeV[J]. PHYSICAL REVIEW LETTERS,2014,113. |
APA | Adamczyk, L..,Adkins, J. K..,Agakishiev, G..,Aggarwal, M. M..,Ahammed, Z..,...&STAR Collaboration.(2014).Observation of D-0 Meson Nuclear Modifications in Au plus Au Collisions at root(NN)-N-s=200 GeV.PHYSICAL REVIEW LETTERS,113. |
MLA | Adamczyk, L.,et al."Observation of D-0 Meson Nuclear Modifications in Au plus Au Collisions at root(NN)-N-s=200 GeV".PHYSICAL REVIEW LETTERS 113(2014). |
入库方式: OAI收割
来源:近代物理研究所
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