ENERGY-FLOW AND STOPPING IN RELATIVISTIC HEAVY-ION COLLISIONS AT ELAB/A=14.6GEV

被引：64

作者：

BARRETTE, J

BELLWIED, R

BRAUNMUNZINGER, P

CLELAND, WE

DAVID, G

DUEK, E

FATYGA, M

FOX, D

GAVRON, A

GREENE, SV

HALL, J

HEMMICK, TK

HEIFETZ, R

HERMAN, M

HERRMANN, N

HOGUE, RW

INGOLD, G

JAYANANDA, K

KRAUS, D

LISSAUER, D

LLOPE, WJ

LEGAULT, A

LUDLAM, T

MAJKA, R

MAKOWIECKI, D

MARK, SK

MITCHELL, JT

MUTHUSWAMY, M

OBRIEN, E

OLSEN, L

POLYCHRONAKOS, V

RAWOOLSULLIVAN, M

ROTONDO, F

SANDWEISS, J

SHIYAKUMAR, B

SIMON, J

SONNADARA, U

SULLIVAN, JP

STACHEL, J

SUNIER, J

TAKAI, H

THROWE, T

VANHECKE, H

WATERS, L

WOODY, C

WOLF, K

WOLFE, D

机构：

[1] BROOKHAVEN NATL LAB, UPTON, NY 11973 USA

[2] UNIV CALIF LOS ALAMOS SCI LAB, LOS ALAMOS, NM 87545 USA

[3] UNIV NEW MEXICO, ALBUQUERQUE, NM 87131 USA

[4] UNIV PITTSBURGH, PITTSBURGH, PA 15260 USA

[5] SUNY STONY BROOK, STONY BROOK, NY 11794 USA

[6] TEL AVIV UNIV, IL-69978 TEL AVIV, ISRAEL

[7] TEXAS A&M UNIV SYST, COLLEGE STN, TX 77843 USA

[8] YALE UNIV, NEW HAVEN, CT 06511 USA

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.64.1219

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Collisions of Si28+Al, Cu, Pb at Elab/A=14.6 GeV were studied in a calorimetry-based experiment at the BNL Alternating Gradient Synchrotron. Transverse-energy production was measured for pseudorapidities -0.5<<0.8. Correlations with the spectra and multiplicity of neutrons and protons emitted into a forward 0.8°cone demonstrate quantitatively the large amount of nuclear stopping observed in these reactions. Calculations in hadronic-fireball or nucleon-nucleon based models underpredict the measured transverse-energy production for Si+Pb and indicate the need to include rescattering of secondaries and /or contributions from target fragmentation. © 1990 The American Physical Society.

引用

页码：1219 / 1222

页数：4

共 11 条

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