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Contribution of the nucleon-hyperon reaction channels toK−production in proton-nucleus collisions
- Source :
- Physical Review C. 68
- Publication Year :
- 2003
- Publisher :
- American Physical Society (APS), 2003.
-
Abstract
- The cross sections for producing ${K}^{\ensuremath{-}}$ mesons in nucleon-hyperon elementary processes are estimated assuming one-pion exchange and using the experimentally known pion-hyperon cross sections. The results are implemented in a transport model which is applied to calculation of proton-nucleus collisions. In significant difference to earlier estimates for heavy-ion collisions the inclusion of the nucleon-hyperon cross section roughly doubles the ${K}^{\ensuremath{-}}$ production in near-threshold proton-nucleus collisions.
Details
- ISSN :
- 1089490X and 05562813
- Volume :
- 68
- Database :
- OpenAIRE
- Journal :
- Physical Review C
- Accession number :
- edsair.doi...........197afd21be474f80fba068b966275c9d