Antiflow of K(0)(s) mesons in 6A GeV Au + Au collisions |
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| Authors: | Chung Ajitanand Alexander Anderson Best Brady Case Caskey Cebra Chance Cole Crowe Das Draper Gilkes Gushue Heffner Hirsch Hjort Huo Justice Kaplan Keane Kintner Klay Krofcheck |
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| Institution: | Departments of Chemistry and Physics, SUNY, Stony Brook, New York 11794-3400, USA. |
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| Abstract: | We have measured the sideward flow of neutral strange ( K(0)(s)) mesons in 6A GeV Au+Au collisions. A prominent antiflow signal is observed for an impact parameter range ( b less, similar7 fm) which spans central and midcentral events. Since the K(0)(s) scattering cross section is relatively small in nuclear matter, this observation suggests that the in-medium kaon vector potential plays an important role in high density nuclear matter. |
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