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The K=1/2 rotational band in ~(171)Yb is investigated using the particle number conserving (PNC) methodfor treating the cranked shell model with monopole and quadrupole pairing interactions.The experimental moments ofinertia of ~(171)Yb [521]1/2 (signature α=±1/2) are reproduced well by the PNC calculation,in which no free parameteris involved.The difference in the contribution to the moment of inertia between protons and neutrons is mainly due tothe blocking effect of neutron normal orbitals.The ω variation of the occupation probability of each cranked orbital andthe contribution to the moment of inertia from each major shell and from each cranked orbitM are investigated.
The K = 1/2 rotational band in ~ (171) Yb is investigated using the particle number conserving (PNC) method for treating the cranked shell model with monopole and quadrupole pairing interactions. The experimental moments of intrinsic (171) Yb [521] 1/2 (signature α = ± 1/2) are reproduced well by the PNC calculation, in which no free parameteris involved. Difference in the contribution to the moment of inertia between protons and neutrons is mainly due tothe blocking effect of neutron normal orbitals.The ω variation of the occupation probability of each cranked orbital and the contribution to the moment of inertia from each major shell and from each cranked orbitM are investigated.