Pairing strength in neutron-rich isotopes of Zr
Nov, 1995
Published in:
- Phys.Rev.C 52 (1995) R2306-R2309
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Abstract: (APS)
Rotational bands based on two-quasi-neutron excitations have been observed for the first time in neutron-rich isotopes. The bandhead excitation energies have been used within the BCS model to determine the strength G of the neutron pairing interaction. Values of G=0.21 and 0.19 MeV have been obtained for Zr100 and Zr102, respectively. For these neutron-rich nuclei the strength G is thus close to 20/A MeV, smaller than the value 23/A MeV used to describe even-even nuclei near stability in this region.- 27.60.+j
- 23.20.Lv
- 21.10.Re
- 21.30.+y
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