Role of spin-orbit force in nuclear interactions

Mitra, A. N. ; Narasimham, V. L. (1960) Role of spin-orbit force in nuclear interactions Nuclear Physics, 14 (3). pp. 407-428. ISSN 0029-5582

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The two-body problem (scattering and bound state) has been solved exactly by considering an extension of Yamaguchi's non-local separable potential so as to include a two-body spin-orbit force. The parameters of the potential have been determined by obtaining their exact relationships with the low-energy experimental data (scattering length, effective range, deuteron binding energy, quadrupole and magnetic moments and the D-state probability). It is found that in order to fit the data, particularly the magnetic moment, the strength of the spin-orbit force must be comparable to that of the tensor force. This potential has been applied to the evaluation of the spin-orbit energy splitting in the nuclei Ca41 and O17. It is found that the tensor force by itself gives the wrong sign of the splitting and that it is overcompensated by a large contribution (of the correct sign) arising from the two-body spin-orbit force.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:34442
Deposited On:09 Apr 2011 05:55
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