Measurement of inclusive antiprotons from Au+Au collisions at 130 GeV

Details Measurement of inclusive antiprotons from Au+Au collisions at 130 GeV Measurement of inclusive antiprotons from Au+Au collisions at 130 GeV

2001-10-12

arxiv.org/abs/nucl-ex/0110009v2

Phys.Rev.Lett.87:262302,2001

Physics

Nuclear Physics

Nuclear Experiment

7 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.87.262302

We report the first measurement of inclusive antiproton production at mid-rapidity in Au+Au collisions at 130 GeV by the STAR experiment at RHIC. The antiproton transverse mass distributions in the measured transverse momentum range of 0.25 < pT < 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.

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