Smooth termination of intruder bands in Sb-51109
Oct, 1996
11 pages
Published in:
- Phys.Rev.C 54 (1996) 1598-1609
Citations per year
Abstract: (APS)
Intruder rotational bands have been investigated to high frequency in Sb51109. Five decoupled (ΔI=2) bands extending to rotational frequencies above 1.4 MeV/ħ have been observed. At the highest frequencies, the J(2) dynamic moments of inertia for four of these bands are seen to decrease steadily to unexpectedly low values, J(2) ∼ 10 ħ2 MeV−1. These four bands, which are interpreted as being based on deformed 2p-2h proton excitations across the Z=50 closed-shell gap, achieve the so-called ‘‘smooth band termination’’ following alignment of the valence nucleons outside of Sn100. In addition, two strongly coupled (ΔI=1) bands have been observed, which are related to 1p-1h proton excitations across the gap. © 1996 The American Physical Society.- 27.60.+j
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- 21.10.Re
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