Antiproton production inp+Acollisions at 14.6 GeV/c
- 1 April 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review C
- Vol. 47 (4) , R1351-R1355
- https://doi.org/10.1103/physrevc.47.r1351
Abstract
Antiproton production cross sections have been measured in minimum bias p+Be, p+Al, p+Cu, and p+Au collisions at 14.6 GeV/c with the E-802 spectrometer at the Brookhaven Alternating Gradient Synchrotron. The antiproton multiplicity at laboratory rapidities 1.0 to 1.6 shows almost no dependence upon the target mass. The p¯ production for p+Be is somewhat lower than an estimation based upon 19–24 GeV/c p+p data. In this rapidity interval the antiproton yield scales by a factor of 28±6 from p+Au to central Si+Au collisions.Keywords
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