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Titolo:
Probing meson spectral functions with double differential dilepton spectrain heavy-ion collisions
Autore:
Kampfer, B; Pavlenko, OP;
Indirizzi:
Forschungszentrum Rossendorf EV, D-01314 Dresden, Germany Forschungszentrum Rossendorf EV Dresden Germany D-01314 Dresden, Germany Inst Theoret Phys, UA-252143 Kiev 143, Ukraine Inst Theoret Phys Kiev Ukraine 143 ret Phys, UA-252143 Kiev 143, Ukraine
Titolo Testata:
EUROPEAN PHYSICAL JOURNAL A
fascicolo: 1, volume: 10, anno: 2001,
pagine: 101 - 107
SICI:
1434-6001(200101)10:1<101:PMSFWD>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
QCD SUM-RULES; THERMAL SOURCE; MASS; MATTER;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Kampfer, B Forschungszentrum Rossendorf EV, PF 510119, D-01314 Dresden, Germany Forschungszentrum Rossendorf EV PF 510119 Dresden Germany D-01314
Citazione:
B. Kampfer e O.P. Pavlenko, "Probing meson spectral functions with double differential dilepton spectrain heavy-ion collisions", EUR PHY J A, 10(1), 2001, pp. 101-107

Abstract

The double differential dilepton spectrum dN/(dM(2) dM(perpendicular to)(2)) at fixed transverse mass M-perpendicular to allows a direct access to the vector meson spectral functions. Within a fireball model the sensitivity of dN/(dM(2) dM(perpendicular to)(2)) against variations of both the in-medium properties of mesons and the dynamics of the fireball is investigated. In contrast to the integrated invariant-mass spectrum dN/dM(2), in the spectrum dN/(dM(2) dM(perpendicular to)(2)) with fixed M-perpendicular to the omega signal is clearly seen as bump riding on the rho background even in case of strong in-medium modifications.

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Documento generato il 03/04/20 alle ore 14:18:07