Naslov
Dynamic chirality in the interacting boson fermion-fermion model

Autori
Brant, Slobodan ; Tonev, D. ; de Angelis, G. ; Ventura, A.

Izvornik
Physical Review C - Nuclear Physics (0556-2813) 78 (2008), 3; 034301-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
PACS: 21.10.Re; 11.30.Rd; 21.60.Fw; 23.20.Lv

Sažetak
The chiral interpretation of twin bands in odd-odd nuclei was investigated in the interacting boson fermion-fermion model. The analysis of the wave functions has shown that the possibility for angular momenta of the valence proton, neutron and core to find themselves in the favorable, almost orthogonal geometry is present, but not dominant. Such behavior is found to be similar in nuclei where both the level energies and the electromagnetic decay properties display the chiral pattern, as well as in those where only the level energies of the corresponding levels in the twin bands are close together. The difference in the structure of the two types of chiral candidates nuclei can be attributed to different beta and gamma fluctuations, induced by the exchange boson-fermion interaction of the interacting boson fermion-fermion model. In both cases the chirality is weak and dynamic.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

POVEZANOST RADA