Vytlačiť
1. Bose-Einstein condensation of pions in ultrarelativistic nucleus-nucleus collisions and the spectra of kaons
| Názov | Bose-Einstein condensation of pions in ultrarelativistic nucleus-nucleus collisions and the spectra of kaons |
|---|---|
| Aut.údaje | Evgeni E. Kolomeitsev, D. E. Voskresensky |
| Autor | Kolomeitsev Evgeni E. 1970- (50%) UMBFP06 - Katedra fyziky |
| Spoluautori | Voskresensky Dmitri (50%) |
| Zdroj.dok. | Physics of Atomic Nuclei. Vol. 58, no. 12 (1995), pp. 2082-2087. - New York : Pleiades Publishing, 1995 |
| Kľúč.slová | heavy ion collisions transverse-monumentum spectra resonance decay |
| Jazyk dok. | angličtina |
| Krajina | Spojené štáty |
| Systematika | 53 |
| Anotácia | The properties of a pion gas that is formed in ultrarelativistic collisions of nuclei are studied in the Weinberg model for pi pi interaction. The possible Bose-Einstein condensation of a dense pi(-) gas is considered. The Green's function and the spectrum of the overcondensate excitations are calculated. For a weak condensate, the results coincide with those obtained in [1] in the lambda phi(4) model (lambda = const), while for a developed condensate there are significant differences. The properties of kaons are considered for temperatures below the critical temperature for Bose-Einstein pion condensation. It is shown that, in the presence of a condensate, the K- effective mass becomes substantially larger, while the K+ effective mass becomes smaller. These features may manifest themselves in the observable momentum distributions of kaons. |
| Kategória publikačnej činnosti | ADE |
| Číslo archívnej kópie | 7083 |
| Katal.org. | BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici |
| Báza dát | xpca - PUBLIKAČNÁ ČINNOSŤ |
| Odkazy | PERIODIKÁ-Súborný záznam periodika |