Evidence for a long-range component in the pion emission source in Au plus Au collisions at root s(NN)=200 GeV

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2007_Ogilvie_EvidenceLong.pdf (334.16 KB)
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2007-03-01
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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

Emission source functions are extracted from correlation functions constructed from charged pions produced at midrapidity in Au+Au collisions at s(NN)=200 GeV. The source parameters extracted from these functions at low k(T) give first indications of a long tail for the pion emission source. The source extension cannot be explained solely by simple kinematic considerations. The possible role of a halo of secondary pions from resonance emissions is explored.
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This article is published as Adler, S. S., S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, J. Alexander, R. Amirikas et al. "Evidence for a long-range component in the pion emission source in Au+ Au collisions at s N N= 200 GeV." Physical review letters 98, no. 13 (2007): 132301. DOI:10.1103/PhysRevLett.98.132301. Posted with permission.
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http://doi.org/10.1103/PhysRevLett.98.132301
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https://dr.lib.iastate.edu/handle/20.500.12876/57083
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Elementary Particles and Fields and String Theory
Physics
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Mon Jan 01 00:00:00 UTC 2007
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