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APS » Journals » Phys. Rev. Lett. » Volume 81 » Issue 8
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Phys. Rev. Lett. 81, 1576–1579 (1998)

Enhanced Out-of-Plane Emission of K+ Mesons Observed in Au+Au Collisions at 1A GeV

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Y. Shin3, W. Ahner1, R. Barth1, P. Beckerle3, D. Brill3, M. Cieślak5, M. Dȩbowski5, E. Grosse6a,6b, P. Koczoń1, B. Kohlmeyer4, M. Mang1, D. Miśkowiec1, C. Müntz2, H. Oeschler2, F. Pühlhofer4, E. Schwab1, R. Schicker1, P. Senger1, J. Speer4, H. Ströbele3, C. Sturm2, K. Völkel4, A. Wagner2,*, and W. Waluś5 (KaoS Collaboration)
1Gesellschaft für Schwerionenforschung, D-64220 Darmstadt, Germany
2Technische Universität Darmstadt, D-64289 Darmstadt, Germany
3Johann Wolfgang Goethe Universität, D-60325 Frankfurt am Main, Germany
4Phillips Universität, D-35037 Marburg, Germany
5Jagiellonian University, PL-30-059 Kraków, Poland
6aForschungszentrum Rossendorf, D-01314 Dresden, Germany
6band Technische Universität Dresden, Dresden, Germany

Received 9 March 1998; published in the issue dated 24 August 1998

The azimuthal angular distribution of K+ mesons has been measured in Au+Au collisions at 1AGeV. In peripheral and semicentral collisions, K+ mesons are emitted preferentially perpendicular to the reaction plane. The strength of the azimuthal anisotropy of K+ emission is comparable to the one of pions. No in-plane flow was found for K+ mesons near projectile and target rapidity.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.81.1576
DOI:
10.1103/PhysRevLett.81.1576
PACS:
25.75.Dw

*Present address: NSCL Michigan State University, East Lansing, MI 48824-1321.

 
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