Collective dynamics at RHIC |
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Authors: | N. Xu |
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Affiliation: | 1. Lawrence Berkeley National Laboratory, 94720, Berkeley, CA, USA
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Abstract: | We discuss the strong collective flow effects, 〈v 2〉 and 〈β t 〉, observed at RHIC (√ s NN=130 GeV). We argue that part of the collectivity could have already developed at partonic stage. To ‘see’ the partonic effects directly, measurements of multi-strange baryons like Ξ, Ω and charmed particles like J/ψ transverse momentum distributions are important. They provide one of the possible keys to the discovery of collective modes with the partonic (quarks and gluons) degrees of freedom. |
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