Higher moments of net proton multiplicity distributions at RHIC

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成果类型：

期刊论文

作者：

Aggarwal, M. M.*;Ahammed, Z.;Alakhverdyants, A. V.;Alekseev, I.;Alford, J.;...

通讯作者：

Aggarwal, M. M.

作者机构：

[Pruthi, N. K.; Bhati, A. K.; Aggarwal, M. M.] Panjab Univ, Chandigarh 160014, India.

[Underwood, D. G.; Krueger, K.; Bridgeman, A.; Spinka, H. M.] Argonne Natl Lab, Argonne, IL 60439 USA.

[Jones, P. G.; Elhalhuli, E.; Nelson, J. M.; Barnby, L. S.] Univ Birmingham, Birmingham, W Midlands, England.

[Ullrich, T.; Pile, P.; Lamont, M. A. C.; LeVine, M. J.; Ljubicic, T.; Xu, Z.; Ogawa, A.; Ruan, L.; Tang, A. H.; Videbaek, F.; Fine, V.; Fisyak, Y.; Beavis, D. R.; Lauret, J.; Bland, L. C.; Longacre, R. S.; Webb, J. C.; Sorensen, P.; Christie, W.; Arkhipkin, D.; Debbe, R. R.; Lebedev, A.; Burton, T. P.; Dunlop, J. C.; Perevoztchikov, V.; Gordon, A.; Landgraf, J. M.; Love, W. A.; Yip, K.; Didenko, L.; Guryn, W.; Van Buren, G.; Fachini, P.; Lee, J. H.] Brookhaven Natl Lab, Upton, NY 11973 USA.

[Perkins, C.; Crawford, H. J.; Engelage, J.; Ng, M. J.] Univ Calif Berkeley, Berkeley, CA 94720 USA.

通讯机构：

[Aggarwal, M. M.] P

Panjab Univ, Chandigarh 160014, India.

语种：

英文

期刊：

PHYSICAL REVIEW LETTERS

ISSN：

0031-9007

年：

2010

卷：

105

期：

页码：

022302

DOI：

10.1103/PhysRevLett.105.022302

基金类别：

Offices of NP, U.S; Offices of HEP, U.S; DOE Office of ScienceUnited States Department of Energy (DOE); U.S. NSFNational Science Foundation (NSF); Sloan FoundationAlfred P. Sloan Foundation; DFG of GermanyGerman Research Foundation (DFG) [CNRS/IN2P]; EMN of France; STFCUK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC); EPSRC of the United KingdomUK Research & Innovation (UKRI)Engineering & Physical Sciences Research Council (EPSRC); FAPESP of BrazilFundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP); Russian Ministry of Science and Technology; NNSFCNational Natural Science Foundation of China (NSFC); CASChinese Academy of Sciences; MoST; MoE of ChinaMinistry of Education, China; IRP; GA of the Czech Republic; FOM of the NetherlandsFOM (The Netherlands); DAEDepartment of Atomic Energy (DAE); DSTDepartment of Science & Technology (India); CSIR of the Government of IndiaCouncil of Scientific & Industrial Research (CSIR) - India; Polish State Committee for Scientific ResearchPolish State Committee for Scientific Research; Korea Science and Engineering FoundationKorea Science and Engineering Foundation; Science and Technology Facilities CouncilUK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC) [PP/F001061/1] Funding Source: researchfish

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本校为其他机构

院系归属：

物理科学与技术学院

摘要：

We report the first measurements of the kurtosis (κ), skewness (S), and variance (σ2) of net-proton multiplicity (Np-Np̄) distributions at midrapidity for Au+Au collisions at √sNN=19.6, 62.4, and 200 GeV corresponding to baryon chemical potentials (μB) between 200 and 20 MeV. Our measurements of the products κσ2 and Sσ, which can be related to theoretical calculations sensitive to baryon number susceptibilities and long-range correlations, are constant as functions of collision centrality. We compare these products with results from lat...

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Higher moments of net proton multiplicity distributions at RHIC

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