Antiproton production in 11.5A GeV/cAu + Pb nucleus-nucleus collisions

The E864 Collaboration

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20 Scopus citations

Abstract

We present the first results from the E864 Collaboration on the production of antiprotons in 10% central 11.5A GeV/cAu + Pb nucleus collisions at the Brookhaven Alternating Gradient Synchrotron. We report invariant multiplicities for antiproton production in the kinematic region 1.4 < y < 2.2 and 50 < pT < 300 MeV /c, and compare our data with a first collision scaling model and previously published results from the E878 Collaboration. The differences between the E864 and E878 antiproton measurements and the implications for antihyperon production are discussed.

Original languageEnglish
Pages (from-to)3351-3354
Number of pages4
JournalPhysical Review Letters
Volume79
Issue number18
DOIs
StatePublished - Nov 3 1997
Externally publishedYes

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