Suppression of hadrons with large transverse momentum in central Au+Au collisions at root s(NN)=130 GeV

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2002-01-01
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Adcox, K.
Belikov, Sergey
Hill, John
Lajoie, John
Lebedev, Alexandre
Petridis, Athanasios
Rosati, Marzia
Wohn, F.
et al.
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Ogilvie, Craig
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Physics and Astronomy
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Transverse momentum spectra for charged hadrons and for neutral pions in the range 1 Gev/c < P - T < 5 GeV/c have been measured by the PHENIX experiment at RHIC in Au + Au collisions at root S(NN) = 130 GeV. At high p(T) the spectra from peripheral nuclear collisions are consistent with scaling the spectra from p + p collisions by the average number of binary nucleon-nucleon collisions. The spectra from central collisions are significantly suppressed when compared to the binary-scaled p + p expectation, and also when compared to similarly binary-scaled peripheral collisions, indicating a novel nuclear-medium effect in central nuclear collisions at RHIC energies.

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This article is published as Adcox, K., S. S. Adler, N. N. Ajitanand, Y. Akiba, J. Alexander, L. Aphecetche, Y. Arai et al. "Suppression of Hadrons with Large Transverse Momentum in Central A u+Au Collisions at sNN= 130 GeV." Physical Review Letters 88, no. 2 (2001): 022301. DOI:10.1103/PhysRevLett.88.022301. Posted with permission.

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Tue Jan 01 00:00:00 UTC 2002
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