Single particle and collective motion for proton rich nuclei on the astrophysical rp process path - INSPIRE

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Single particle and collective motion for proton rich nuclei on the astrophysical rp process path

Yang Sun
(
- Tennessee U. and
- Xuzhou Normal U.
)
,
Jing-ye Zhang
(
- Tennessee U.
)
,
Mike Guidry
(
- Tennessee U.
)
,
Jie Meng
(
- Peking U.
)
,
Soojae Im
(
- Peking U.
)

Feb, 2000

4 pages

Published in:

Phys.Rev.C 62 (2000) 021601

e-Print:

nucl-th/0002063 [nucl-th]

DOI:

10.1103/PhysRevC.62.021601

View in:

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Abstract:

Based on available experimental data, a new set of Nilsson parameters is proposed for proton-rich nuclei with proton or neutron numbers

28\leq N\leq 40

. The resulting single-particle spectra are compared with those from relativistic and non-relativistic mean field theories. Collective excitations in some even--even proton-rich nuclei in the upper

pf

shell are investigated using the Projected Shell Model with the new Nilsson basis. It is found that the regular bands are sharply disturbed by band crossings involving

1g_{9/2}

neutrons and protons. Physical quantities for exploring the nature of the band disturbance and the role of the

1g_{9/2}

single-particle are predicted, which may be tested by new experiments with radioactive beams.

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Figures(0)

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