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Titolo:
Strange mesons in dense nuclear matter
Autore:
Senger, P;
Indirizzi:
GSI Darmstadt, D-64291 Darmstadt, Germany GSI Darmstadt Darmstadt Germany D-64291 tadt, D-64291 Darmstadt, Germany
Titolo Testata:
ACTA PHYSICA HUNGARICA NEW SERIES-HEAVY ION PHYSICS
fascicolo: 1-4, volume: 14, anno: 2001,
pagine: 351 - 359
SICI:
1219-7580(2001)14:1-4<351:SMIDNM>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEAVY-ION COLLISIONS; SUBTHRESHOLD KAON PRODUCTION; REACTIONS NEAR-THRESHOLD; OF-PLANE EMISSION; ANTIKAON PRODUCTION; BEAM ENERGIES; K+ PRODUCTION; PIONS; MOMENTUM; PROBES;
Keywords:
strangeness; particle production; heavy-ion collisions; medium effects;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
33
Recensione:
Indirizzi per estratti:
Indirizzo: Senger, P GSI Darmstadt, D-64291 Darmstadt, Germany GSI Darmstadt Darmstadt Germany D-64291 291 Darmstadt, Germany
Citazione:
P. Senger, "Strange mesons in dense nuclear matter", APH NS-HEAV, 14(1-4), 2001, pp. 351-359

Abstract

Experimental data on the production of kaons and antikaons in heavy-ion collisions at relativistic energies are presented and discussed with respect to in-medium effects. The K-/K+ ratios measured in nucleus-nucleus collisions are 1-2 orders of magnitude larger than in proton-proton collisions. Theazimuthal angle distributions of K+ mesons indicate a repulsive kaon-nucleon potential. Microscopic transport calculations consistently explain both the yields and the emission patterns of kaons and antikaons when assuming that their properties are modified in dense nuclear matter. The K+ production excitation functions measured in light and heavy collision systems provide evidence for a soft nuclear equation-of-state.

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Documento generato il 02/04/20 alle ore 02:56:26