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Pion, kaon, proton and anti-proton transverse momentum distributions from and collisions at

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Title: Pion, kaon, proton and anti-proton transverse momentum distributions from and collisions at
Authors: Adams, J.1, Aggarwal, M.M.2, Ahammed, Z.3, Amonett, J.4, Anderson, B.D.4, Arkhipkin, D.5, Averichev, G.S.6, Badyal, S.K.7, Bai, Y.8, Balewski, J.9, Barannikova, O.10, Barnby, L.S.1, Baudot, J.11, Bekele, S.12, Belaga, V.V.6, Bellwied, R.13, Berger, J.14, Bezverkhny, B.I.15, Bharadwaj, S.16, Bhasin, A.7
Source: Physics Letters B. Jun2005, Vol. 616 Issue 1/2, p8-16. 9p.
Subject Terms: *COLLISIONS (Nuclear physics), *PARTICLES (Nuclear physics), *SPECTRUM analysis, *DETECTORS
Abstract: Abstract: Identified mid-rapidity particle spectra of , , and from 200 GeV and collisions are reported. A time-of-flight detector based on multi-gap resistive plate chamber technology is used for particle identification. The particle-species dependence of the Cronin effect is observed to be significantly smaller than that at lower energies. The ratio of the nuclear modification factor () between protons () and charged hadrons (h) in the transverse momentum range is measured to be in minimum-bias collisions and shows little centrality dependence. The yield ratio of in minimum-bias collisions is found to be a factor of 2 lower than that in collisions, indicating that the Cronin effect alone is not enough to account for the relative baryon enhancement observed in heavy ion collisions at RHIC. [Copyright &y& Elsevier]
Copyright of Physics Letters B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Pion, kaon, proton and anti-proton transverse momentum distributions from and collisions at
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  Data: Abstract: Identified mid-rapidity particle spectra of , , and from 200 GeV and collisions are reported. A time-of-flight detector based on multi-gap resistive plate chamber technology is used for particle identification. The particle-species dependence of the Cronin effect is observed to be significantly smaller than that at lower energies. The ratio of the nuclear modification factor () between protons () and charged hadrons (h) in the transverse momentum range is measured to be in minimum-bias collisions and shows little centrality dependence. The yield ratio of in minimum-bias collisions is found to be a factor of 2 lower than that in collisions, indicating that the Cronin effect alone is not enough to account for the relative baryon enhancement observed in heavy ion collisions at RHIC. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Physics Letters B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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