Výsledky vyhľadávania
Názov Level crossing of particle-hole and mesonic modes in eta-mesonic nuclei Aut.údaje D. Jido, Evgeni E. Kolomeitsev ... [et al.] Autor Jido D. (25%)
Spoluautori Kolomeitsev Evgeni E. 1970- (25%)
Nagahiro H. (25%)
Hirenzaki S. (25%)
Zdroj.dok. Nuclear Physics A. Vol. 811, no. 1-2 (2008), pp. 158-178. - Amsterdam : Elsevier B.V., 2008 Kľúč.slová Eta mesonic nucleus chiral-symmetry restoration Eta nucleon Jazyk dok. angličtina Krajina Holandsko Systematika 539.1 Anotácia We study eta-meson properties in the infinite nuclear matter and in atomic nuclei with an emphasis on effects of the eta coupling to N∗(1535)-nucleon–hole modes. The N∗(1535) resonance, which dominates the low-energy eta-nucleon scattering, can be seen as a chiral partner of the nucleon. The change of the chiral mass gap between the N∗ and the nucleon in a nuclear medium has an impact on the properties of the eta-nucleus system. If the N∗-nucleon mass gap decreases with a density increase (chiral symmetry restoration) the calculations show the existence of the resonance state at the energy about 60 MeV and two bound eta-nucleus states with the binding energies about −80 MeV. These states can have strong effect on predicted cross sections of the 12C(γ,p)11B reaction with eta-meson production Kategória publikačnej činnosti ADC Číslo archívnej kópie 26411 Kategória ohlasu DOTE, A. - MYO, T. Double-pole nature of Lambda(1405) studied with coupled-channel complex scaling method using complex-range Gaussian basis. In Nuclear physics A. ISSN 0375-9474, 2014, vol. 930, pp. 86-103.
FRIEDMAN, E. - GAL, A. - MARES, J. eta-nuclear bound states revisited. In Physics letters B. ISSN 0370-2693, 2013, vol. 725, no. 4-5, pp. 334-338.
KELKAR, N. G. - KHEMCHANDANI, K. P. - UPADHYAY, N. J. - JAIN, B. K. Interaction of eta mesons with nuclei. In Reports on progress in physics. ISSN 0034-4885, 2013, vol. 76, no. 6.
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