Fermion-boson coupling model (QCVM) applied to odd Zn isotopes

Autor:	K. Allaart, P. Hofstra, Vladimir Paar, E. Boeker, A. Van Egmond
Rok vydání:	1981
Předmět:	Physics Nuclear and High Energy Physics Phonon Quasiparticle Cluster (physics) Parity (physics) Fermion Atomic physics Open shell Spectral line Boson
Zdroj:	Zeitschrift f�r Physik A Atoms and Nuclei. 300:323-327
ISSN:	1434-601X 0340-2193
DOI:	10.1007/bf01419864
Popis:	Low lying energy levels and transition probabilities of63,65,67Zn are calculated in the Quasicluster-vibration model (QCVM). This model is an extension of the Clustervibration model (CVM) for three-particle-cluster vibration coupling. Instead of a three-particle cluster, now a one broken pair (number projected three quasiparticle) cluster is coupled to phonon states. It turns out that the sequence of isotopes may be described with one set of parameters, along the same line as previously used in the CVM. The resulting spectra and electromagnetic properties, for positive and negative parity states of odd Zn isotopes, compare with experimental data equally well as large shell-model calculations; this seems to justify the extension of the CVM to these nuclei with more than three particles or holes beyond a closed shell.
Databáze:	OpenAIRE
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