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Type: Journal article
Title: Strangeness production from πN collisions in nuclear matter
Other Titles: Strangeness production from piN collisions in nuclear matter
Author: Tsushima, K.
Sibirtsev, A.
Thomas, A.
Citation: Physical Review C: Nuclear Physics, 2000; 62(6):1-11
Publisher: American Physical Soc
Issue Date: 2000
ISSN: 0556-2813
Organisation: Special Research Centre for the Subatomic Structure of Matter
Statement of
K. Tsushima, A. Sibirtsev, and A. W. Thomas
Abstract: Kaon production in pion-nucleon collisions in nuclear matter is studied in the resonance model. To evaluate the in-medium modification of the reaction amplitude as a function of the baryonic density we introduce relativistic, mean-field potentials for the initial, final, and intermediate mesonic and baryonic states. These vector and scalar potentials were calculated using the quark-meson coupling model. The in-medium kaon production cross sections in pion-nucleon interactions for reaction channels with Λ and Σ hyperons in the final state were calculated at the baryonic densities appropriate to relativistic heavy ion collisions. Contrary to earlier work which has not allowed for the change of the cross section in-medium, we find that the data for kaon production are consistent with a repulsive K+-nucleus potential.
Rights: © 2000 The American Physical Society
DOI: 10.1103/PhysRevC.62.064904
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Appears in Collections:Aurora harvest 2
Special Research Centre for the Subatomic Structure of Matter publications

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