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phi meson production in Au + Au and p + p collisions at root S-NN=200 GeV
Adams, J; Adler, C; Aggarwal, MM; Cai, XZ(蔡翔舟); Ma, YG(马余刚); Wang, XL; Wang, ZM; Zoulkarneev, R; Zoulkarneeva, J; Zubarev, AN
2005
Source PublicationPHYSICS LETTERS B
ISSN0370-2693
Volume612Issue:40972Pages:181
AbstractWe report the STAR measurement of phi meson production in Au + Au and p + p collisions at root s(NN) = 200 GeV. Using the event mixing technique, the phi spectra and yields are obtained at mid-rapidity for five centrality bins in Au + Au collisions and for non-singly-diffractive p + p collisions. It is found that the phi transverse momentum distributions from Au + An collisions are better fitted with a single-exponential while the p + p spectrum is better described by a double-exponential distribution. The measured nuclear modification factors indicate that phi production in central An + An collisions is suppressed relative to peripheral collisions when scaled by the number of binary collisions (< N-bin>). The systematics of < p(t)> versus centrality and the constant phi/K- ratio versus beam species, centrality, and collision energy rule out kaon coalescence as the dominant mechanism for phi production. (c) 2005 Elsevier B.V. All rights reserved.
Indexed BySCI
Language中文
Funding Project应物所项目组
WOS IDWOS:000228596100012
Citation statistics
Cited Times:164[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/9426
Collection中科院上海应用物理研究所2004-2010年
Recommended Citation
GB/T 7714
Adams, J,Adler, C,Aggarwal, MM,et al. phi meson production in Au + Au and p + p collisions at root S-NN=200 GeV[J]. PHYSICS LETTERS B,2005,612(40972):181.
APA Adams, J.,Adler, C.,Aggarwal, MM.,Cai, XZ.,Ma, YG.,...&Zubarev, AN.(2005).phi meson production in Au + Au and p + p collisions at root S-NN=200 GeV.PHYSICS LETTERS B,612(40972),181.
MLA Adams, J,et al."phi meson production in Au + Au and p + p collisions at root S-NN=200 GeV".PHYSICS LETTERS B 612.40972(2005):181.
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