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- W2022071401 abstract "Coherent multiple scatterings of cc¯ quark pairs in the environment of heavy ion collisions have been used in a previous work by Qiu et al. [J. Qiu, J.P. Vary, X. Zhang, Phys. Rev. Lett. 88 (2002) 232301; J. Qiu, J.P. Vary, X. Zhang, Nucl. Phys. A 698 (2002) 571, nucl-th/0106040] to study J/ψ suppression. That model suggests that heavy quark re-scatterings in a cold nuclear medium can completely explain the centrality dependence of the observed J/ψ suppression in Pb + Pb collisions at the SPS [M.C. Abreu, et al., NA50 Collaboration, Phys. Lett. B 521 (2001) 195]. Their calculations also revealed significant differences under the assumptions of a color singlet or color octet production mechanism. A more recent analytic calculation [H. Fujii, Phys. Rev. C 67 (2003) 031901], which includes incoherent final-state re-scatterings with explicit momentum transfer fluctuations in three dimensions, indicates much less suppression and little sensitivity to the production mechanism. In this Letter, we study simultaneously both the J/ψ suppression and pT modifications, at SPS and RHIC energies. We mainly focus on incoherent momentum transfer fluctuations in two dimensions, which is more appropriate for the heavy-ion collision kinematics. Our analytic and Monte Carlo calculations reinforce the analytic results in [H. Fujii, Phys. Rev. C 67 (2003) 031901]. Additionally, we find that the experimental J/ψ suppression and 〈pT2〉 from nucleus–nucleus collisions at the SPS or RHIC cannot simultaneously be described in this incoherent multiple scattering framework for any value of the fluctuation strength parameter 〈kT2〉." @default.
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- W2022071401 date "2007-01-01" @default.
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- W2022071401 title "Effects of multiple scattering in cold nuclear matter on <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML altimg=si1.gif overflow=scroll><mml:mi>J</mml:mi><mml:mo stretchy=false>/</mml:mo><mml:mi>ψ</mml:mi></mml:math> suppression and <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML altimg=si2.gif overflow=scroll><mml:mo stretchy=false>〈</mml:mo><mml:msubsup><mml:mi>p</mml:mi><mml:mi>T</mml:mi><mml:mn>2</mml:mn></mml:msubsup><mml:mo stretchy=false>〉</mml:mo></mml:…" @default.
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- W2022071401 doi "https://doi.org/10.1016/j.physletb.2006.10.069" @default.
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