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Prog. Theor. Phys. Vol. 53 No. 6 (1975) pp. 1675-1690

[ Full Text PDF : FREE ACCESS (1346K) ]

Two-Particle-Two-Hole Jπ=0+ States of 40Ca

— Interplay between Particle-Particle (Hole-Hole) Correlations and Particle-Hole Correlations —

Munetake Hasegawa

Laboratory of Physics, Fukuoka Dental College, Fukuoka

(Received September 25, 1974)

Abstract:

The correlated two-particle-two-hole states with Jπ=0+ of 40Ca are described in terms of the two-particle-two-hole excitation modes in the framework of the new Tamm-Dancoff method. The agreement between the calculated and the observed energy spectra of these states is considerably good. The interplay between the particle-particle (hole-hole) correlations and the particle-hole ones is investigated through the structure of these states. It is concluded that the particle-hoel interaction mixes multipole particle-particle (hole-hole) correlations but does not spoil the “collective” structure of each multipole particle-particle (hole-hole) correlation. It may be possible to describe the low-lying two-particle-two-hole states with Jπ=0+ in terms of only collective two-particle and two-hole modes.


URL : http://ptp.ipap.jp/link?PTP/53/1675/
DOI : 10.1143/PTP.53.1675

[ Full Text PDF : FREE ACCESS (1346K) ] Citation:

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