Fragmentation of single-particle and collective motions in the quasiparticle-phonon nuclear model
作者： V.G. Soloviev
DOI: 10.1016/0146-6410(87)90004-4
关键词: Atomic physics 、 Pauli exclusion principle 、 Phonon 、 Quasiparticle 、 Fragmentation (mass spectrometry) 、 Neutron 、 Interacting boson model 、 Radiative transfer 、 Hamiltonian (quantum mechanics) 、 Physics
摘要: Abstract Basic assumptions of the quasiparticle-phonon nuclear model are expounded. The Hamiltonian is constructed. system equations found and approximate obtained. An exact inclusion Pauli principle in two-phonon components wave functions studied. Our results compared with those obtained within field theory. A new method for improving description fragmentation one-phonon states Fragmentation one-quasiparticle described characteristics produced by these calculated. Examples given calculated widths E1-, E2-, E3- as well M1- M2- giant resonances. charge-exchange Gamow-Teller spin-dipole resonances spherical deformed nuclei neutron partial radiative strength described. deep-hole high-lying their γ-decay considered. low-lying nonrotational K π = 0 + , 2 3 4 calculations interacting boson compared. also experimental data.
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