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Shell model study for neutron-rich sd-shell nuclei

Kazunari Kaneko
(
- Kyushu Sangyo U.
)
,
Yang Sun
(
- Lanzhou, Inst. Modern Phys. and
- Shanghai Jiaotong U.
)
,
Takahiro Mizusaki
(
- Senshu U., Tokyo
)
,
Munetake Hasegawa
(
- Lanzhou, Inst. Modern Phys.
)

Jan, 2011

7 pages

Published in:

Phys.Rev.C 83 (2011) 014320

e-Print:

1101.1571 [nucl-th]

DOI:

10.1103/PhysRevC.83.014320

View in:

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Abstract: (arXiv)

The microscopic structure of neutron-rich sd-shell nuclei is investigated by using the spherical shell-model in the sd-pf valence space with the extended pairing plus quadrupole-quadrupole forces accompanied by the monopole interaction (EPQQM). The calculation reproduces systematically the known energy levels for even-even and odd-mass nuclei including the recent data for 43S, 46S and 47Ar. In particular, the erosion of the N=28 shell closure in 42Si can be explained. Our EPQQM results are compared with other shell-model calculations with the SDPF-NR and SDPF-U effective interactions.

Note:

7 pages, 10 figures, accepted for publication in Phys. Rev. C

21.10.Dr
21.60.Cs
21.10.Re
27.40.+z

References(42)

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