Measurement of inclusive antiprotons from Au+Au collisions at √(sNN) = 130 GeV.
Journal Article
·
· Physical Review Letters
- Univ. of Frankfurt, Frankfurt (Germany)
- Purdue Univ., West Lafayette, IN (United States)
- Indiana Univ., Bloomington, IN (United States)
- Kent State Univ., Kent, OH (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States)
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⊥<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.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 949465
- Report Number(s):
- ANL-HEP-PR--01-108
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 26 ; Dec. 24, 2001 Vol. 87; ISSN 0031-9007; ISSN PRLTAO
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- ENGLISH
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