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Anomalous rotational-alignment in N=Z nuclei and residual neutron-proton interaction | | Yang Sun
; Javid A. Sheikh
; | | Date: |
21 May 2001 | | Journal: | Phys.Rev. C64 (2001) 031302 | | Subject: | nucl-th nucl-ex | | Abstract: | Recent experiments have demonstrated that the rotational-alignment for the $N=Z$ nuclei in the mass-80 region is considerably delayed as compared to the neighboring $N
e Z$ nuclei. We investigate whether this observation can be understood by a known component of nuclear residual interactions. It is shown that the quadrupole-pairing interaction, which explains many of the delays known in rare-earth nuclei, does not produce the substantial delay observed for these $N=Z$ nuclei. However, the residual neutron-proton interaction which is conjectured to be relevant for $N=Z$ nuclei is shown to be quite important in explaining the new experimental data. | | Source: | arXiv, nucl-th/0105047 | | Services: | Forum | Review | PDF | Favorites | |
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