{ "id": "nucl-th/9701065", "version": "v2", "published": "1997-01-30T18:16:47.000Z", "updated": "1997-06-26T12:55:00.000Z", "title": "Origin of subthreshold K^+ production in heavy ion collisions", "authors": [ "C. Fuchs", "Z. Wang", "L. Sehn", "Amand Faessler", "V. S. Uma Maheswari", "D. S. Kosov" ], "comment": "6 pages Latex using RevTex, revised version accepted for publication in Phys. Rev. C", "journal": "Phys.Rev.C56:606-609,1997", "doi": "10.1103/PhysRevC.56.R606", "categories": [ "nucl-th" ], "abstract": "We investigate the origin of subthreshold $K^+$ production in heavy ion collisions at intermediate energies. In particular we study the influence of the pion induced $K^+$ creation processes. We find that this channel shows a strong dependence on the size of the system, i.e., the number of participating nucleons as well as on the incident energy of the reaction. In an energy region between 1--2 GeV/nucleon the pion induced processes essentially contribute to the total yield and can even become dominant in reactions with a large number of participating nucleons. Thus we are able to reproduce recent measurements of the KaoS Collaboration for 1 GeV/nucleon Au on Au reactions adopting a realistic momentum dependent nuclear mean field.", "revisions": [ { "version": "v2", "updated": "1997-06-26T12:55:00.000Z" } ], "analyses": { "keywords": [ "heavy ion collisions", "induced processes essentially contribute", "momentum dependent nuclear mean field", "production", "realistic momentum dependent nuclear mean" ], "tags": [ "journal article" ], "note": { "typesetting": "RevTeX", "pages": 6, "language": "en", "license": "arXiv", "status": "editable", "inspire": 439965 } } }