Anisotropy of subthreshold K+ emission in heavy ion reactions
Wang, Z.S., Faessler, Amand, Fuchs, C., Uma Maheswari, V.S., and Kosov, D.S. (1997) Anisotropy of subthreshold K+ emission in heavy ion reactions. Physical Review Letters , 79 (21). pp. 4096-4099.
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Abstract
The origin of the forward-backward enhancement of K⁺ emission observed in symmetric nucleus-nucleus collisions at 1 GeV/nucleon has been explored. The nonisotropic pion-baryon reaction leading to K⁺ production has been found to play a substantial role in creating the forward-backward peak of the kaon angular distribution. By an analysis including also the effects from relevant final-state interactions on kaons, we can reproduce the experimental kaon angular distribution. We argue that the observed nonisotropic kaon emission may provide a support to the pion-induced channel for subthreshold kaon production in heavy ion reactions.
| Item ID: | 27299 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1079-7114 |
| Date Deposited: | 05 Jul 2013 02:48 |
| FoR Codes: | 02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020202 Nuclear Physics @ 100% |
| SEO Codes: | 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100% |
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