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Antiflow ofKs0Mesons in6AGeVAu+AuCollisions

Authors :
James Alexander
E. Hjort
A. S. Hirsch
T. Case
H. G. Ritter
F. P. Brady
G. Odyniec
J. L. Romero
N. T. Porile
M. A. Lisa
Kenneth M. Crowe
H. Liu
N. T. B. Stone
Brian Cole
Matthew J. Anderson
L. S. Schroeder
R. L. McGrath
R. P. Scharenberg
R. Witt
A. C. Das
W. N. Zhang
N. N. Ajitanand
B. K. Srivastava
J. Lauret
J. L. Klay
Roy A. Lacey
M. Justice
M. Heffner
Lei Huo
S. Gushue
M. L. Gilkes
J. Whitfield
T. Wienold
S. Y. Panitkin
C. Pinkenburg
Morton Kaplan
L. Wood
J. L. Chance
D. Cebra
J. E. Draper
Z. Milosevich
D. L. Olson
W. Caskey
Y. M. Liu
T. J. M. Symons
G. Rai
D. Keane
P. Chung
D. Best
David Krofcheck
J. C. Kintner
Source :
Physical Review Letters. 85:940-943
Publication Year :
2000
Publisher :
American Physical Society (APS), 2000.

Abstract

We have measured the sideward flow of neutral strange (K{sup 0}{sub s} ) mesons in 6A GeV Au +Au collisions. A prominent antiflow signal is observed for an impact parameter range (b(less-or-similar sign)7 fm ) which spans central and midcentral events. Since the K{sup 0}{sub s} scattering cross section is relatively small in nuclear matter, this observation suggests that the in-medium kaon vector potential plays an important role in high density nuclear matter. (c) 2000 The American Physical Society.

Details

ISSN :
10797114 and 00319007
Volume :
85
Database :
OpenAIRE
Journal :
Physical Review Letters
Accession number :
edsair.doi...........425de4960fa6c95c3deb36428e0e9a7c
Full Text :
https://doi.org/10.1103/physrevlett.85.940