A dipole band with regular energy spacings has been identified in the nucleus137Nd built on aI=33/2 state atE x =5.60 MeV. The Doppler shift attenuation method analysis of a backed-target experiment allowed to extract the lifetimes of the band levels, which are of the order of 1 W. u., The resulting large B(M1) values, together with the high aligned angular momentum suggest a five-quasiparticle configuration (involving twoh 11/2 protons and twoh 11/2 neutrons).
Dipole rotational band in137Nd
LUNARDI, SANTO;VENTURELLI, ROBERTO;BRANDOLINI, FRANCO;
1995
Abstract
A dipole band with regular energy spacings has been identified in the nucleus137Nd built on aI=33/2 state atE x =5.60 MeV. The Doppler shift attenuation method analysis of a backed-target experiment allowed to extract the lifetimes of the band levels, which are of the order of 1 W. u., The resulting large B(M1) values, together with the high aligned angular momentum suggest a five-quasiparticle configuration (involving twoh 11/2 protons and twoh 11/2 neutrons).
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