Centrality dependence of charged particle multiplicity in Au-Au collisions at root(S)NN=130 GeV
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2001-04-01
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Adcox, K.
Belikov, Sergey
Hill, John
Lajoie, John
Lebedev, Alexandre
Ogilvie, Craig
Petridis, Athanasios
Rosati, Marzia
Wohn, F.
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Ogilvie, Craig
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Physics and Astronomy
Physics and astronomy are basic natural sciences which attempt to describe and provide an understanding of both our world and our universe. Physics serves as the underpinning of many different disciplines including the other natural sciences and technological areas.
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Abstract
We present results for the charged-particle multiplicity distribution at midrapidity in Au-Au collisions at roots(NN) = 130 GeV measured with the PHENIX detector at RHIC. For the 5% most central collisions we find dN(ch)/d eta (|eta =0) = 622 +/- 1(stat) +/- 41(syst). The results, analyzed as a function of centrality show a steady rise of the particle density per participating nucleon with centrality.
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This article is published as Adcox, K. T. P. C., S. S. Adler, N. N. Ajitanand, Y. Akiba, J. Alexander, L. Aphecetche, Y. Arai et al. "Centrality Dependence of Charged Particle Multiplicity in Au-Au Collisions at s NN= 130 GeV." Physical Review Letters 86, no. 16 (2001): 3500. DOI:10.1103/PhysRevLett.86.3500. Posted with permission.
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Mon Jan 01 00:00:00 UTC 2001