Identified Baryon and Meson Distributions at Large TransverseMomenta from Au+Au Collisions at sqrt(s[sub NN])=200 GeV
Journal Article
·
· Physical Review Letters
Transverse momentum spectra of pi pm, p and bar p up to 12GeV/c at mid-rapidity in centrality selected Au+Au collisions at sqrt sNN= 200 GeV are presented. In central Au+Au collisions, both pi pm andp(bar p) show significant suppression with respect to binary scaling atpT>4 GeV/c. Protons and anti-protons are less suppressed than pi pm,in the range 1.55 GeV/c. The results at high pT indicatethat the partonic sources of pi pm, p and bar p have similar energy losswhen traversing the nuclear medium.
- Research Organization:
- COLLABORATION - YaleU.
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 928717
- Report Number(s):
- LBNL--61856; BnR: KB0201022
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Vol. 97; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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