Antiproton Production in Au+Au Collisions at 11.7a GeV/c

Journal Article · Tue Sep 01 00:00:00 EDT 1998 · Physical Review Letters

OSTI ID:342653

Ashktorab, K; Beavis, D; Chasman, C; Chen, Z; Chu, Y Y; Cumming, J B; Debbe, R; Gushue, S; Kim, E; Lee, J; Moskowitz, B; Muentz, C; Olness, J; Remsberg, L P; Tannenbaum, M J; Videbaek, F; Zhu, F ^[1]; Crawford, H J; Engelage, J; Judd, E ^[2] ; Chang, J; Eldredge, W; Fung, S; Seto, R; Xiang, H; Xu, G H ^[3]; Chi, C; Chi, C; Cole, B A; Cole, B A; Moulson, M; Moulson, M; Wang, F; Wang, F; Wu, Y; Wu, Y; Zajc, W A; Zajc, W A ^[4]; Nagamiya, S ^[5]; Akiba, Y ^[6]; Britt, H C; Hansen, L F; Luke, J; Namboodiri, M N; Sangster, T C; Thomas, J H ^[7]; Garcia, E; Mignerey, A; Shea, J ^[8]; Ahle, L; Baker, M D; Cianciolo, V; Dunlop, J C; Heintzelman, G; Ogilvie, C A; Soltz, R; Steadman, S G; Stephans, G S; Yao, H ^[9]; Hamagaki, H ^[10]; Hayano, R S; Sako, H; Shigaki, K ^[11]; Kumagai, A; Kurita, K; Miake, Y; Ueno-Hayashi, S; Yagi, K ^[12]; Kang, J; Kim, E ^[13]

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1. Brookhaven National Laboratory, Upton, New York 11973 (United States)
2. Space Sciences Laboratory, University of California, Berkeley, California 94720 (United States)
3. University of California, Riverside, California 92507 (United States)
4. Nevis Laboratories, Irvington, New York 10533 (United States)
5. High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305 (Japan)
6. High Energy Accelerator Research Organization (KEK), Tanashi-branch, (Tanashi) Tokyo 188 (Japan)
7. Lawrence Livermore National Laboratory, Livermore, California 94550 (United States)
8. University of Maryland, College Park, Maryland 20742 (United States)
9. Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (United States)
10. Center for Nuclear Study, School of Science, University of Tokyo, Tanashi, Tokyo 188 (Japan)
11. Department of Physics, University of Tokyo, Tokyo 113 (Japan)
12. University of Tsukuba, Tsukuba, Ibaraki 305 (Japan)
13. Yonsei University, Seoul 120-749, (Korea, Republic of)

Antiproton production in 11.7A GeV/c Au+Au collisions over a wide transverse-mass coverage was studied using the AGS-E866 experimental apparatus. The mean transverse kinetic energy increases as a function of centrality and is similar to that of protons. The antiproton yields in Si+Al , Si+Au , and Au+Au collisions are consistent with scaling with the 0.7 power of the number of participant nucleons. Copyright 1998, The American Physical Society

• Research Organization: Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
• DOE Contract Number: AC02-76ER03069; AC02-98CH10886; FG02-86ER40281; FG03-86ER40271
• OSTI ID: 342653
• Journal Information: Physical Review Letters, Vol. 81, Issue 13; Other Information: PBD: Sep 1998
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
GOLD
PROTONS
ANTIMATTER
NUCLEAR STRUCTURE
NUCLEAR MATTER
HEAVY ION REACTIONS
ANTIPROTONS
DIFFERENTIAL CROSS SECTIONS