Contribution of. pi. N r arrow. Lambda. K to subthreshold kaon production in heavy-ion collisions

We have studied kaon production from the interaction of pions with nucleons in heavy-ion collisions at energies below the threshold for kaon production in the nucleon-nucleon interaction in free space. It is found that this contribution is less than 25% of the total kaon yield. The main contribution...

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Veröffentlicht in:	Physical review. C, Nuclear physics Nuclear physics, 1990-11, Vol.42:5
Hauptverfasser:	Xiong, L., Ko, C.M., Wu, J.Q.
Format:	Artikel
Sprache:	eng
Schlagworte:	645204 - High Energy Physics- Particle Interactions & Properties-Theoretical- Strong Interactions & Properties 653003 - Nuclear Theory- Nuclear Reactions & Scattering BARYON-BARYON INTERACTIONS BARYONS BOSONS CHARGED-PARTICLE REACTIONS CROSS SECTIONS ELEMENTARY PARTICLES ENERGY EQUATIONS EQUATIONS OF STATE FERMIONS HADRON-HADRON INTERACTIONS HADRONS HEAVY ION REACTIONS HYPERONS INELASTIC SCATTERING INTERACTIONS KAONS LAMBDA BARYONS LAMBDA PARTICLES MASS FORMULAE MESON-BARYON INTERACTIONS MESON-NUCLEON INTERACTIONS MESONS NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEAR REACTIONS NUCLEON-NUCLEON INTERACTIONS PARTICLE INTERACTIONS PARTICLE PRODUCTION PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PION-NUCLEON INTERACTIONS PROBABILITY PSEUDOSCALAR MESONS SCATTERING STRANGE MESONS STRANGE PARTICLES THRESHOLD ENERGY TOTAL CROSS SECTIONS
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Zusammenfassung:	We have studied kaon production from the interaction of pions with nucleons in heavy-ion collisions at energies below the threshold for kaon production in the nucleon-nucleon interaction in free space. It is found that this contribution is less than 25% of the total kaon yield. The main contribution to kaon production is from baryon-baryon interactions and its magnitude depends sensitively on the nuclear equation of state at high densities.
ISSN:	0556-2813 1089-490X
DOI:	10.1103/PhysRevC.42.2231