We report the first measurement of inclusive antiproton production at midrapidity in Au + Au collisions at √sNN = 130 GeV by the STAR experiment at RHIC. The antiproton transverse mass distributions in the measured transverse momentum range of 0.25 < p1 < 0.95 GeV/c are found to fall less steeply for more central collisions. The extrapolated antiproton rapidity density is found to scale approximately with the negative hadron multiplicity density.

Original languageEnglish
Pages (from-to)262302-1-262302-6
JournalPhysical Review Letters
Issue number26
Publication statusPublished - 2001 Dec 24


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