Jet structure of baryon excess in Au+Au collisions at root SNN=200 GeV

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2005-05-01
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Adler, S.
Belikov, Sergey
Bhagavatula, S.
Constantin, Paul
Grau, Nathan
Hill, John
Lajoie, John
Lebedev, Alexandre
Ogilvie, Craig
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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

Two particle correlations between identified meson and baryon trigger particles with 2.5 < p (T)(T)(<4.0 GeV/c and lower p ) (charged hadrons have been measured at midrapidity by the PHENIX experiment at RHIC in p+p,d+Au, and Au+Au collisions at s)(NN) = 200 GeV. In noncentral Au+Au collisions, the probability of finding a hadron near in azimuthal angle to the trigger particles is almost identical for mesons and baryons and significantly higher than in p+p collisions. The associated yields for trigger baryons decrease in the most central collisions, consistent with some baryon production by thermal recombination in addition to hard scattering.

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This article is published as Adler, S. S., S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, A. Al-Jamel, J. Alexander et al. "Jet structure of baryon excess in Au+ Au collisions at s NN= 200 GeV." Physical Review C 71, no. 5 (2005): 051902. DOI: 10.1103/PhysRevC.71.051902. Posted with permission.

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Sat Jan 01 00:00:00 UTC 2005
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