Microscopic Mechanism of Large Fluctuation in Odd-Even Differences in Moments of Inertia for Actinide Nuclei

被引：0
|
作者：
YU Lei~(1
机构：
来源：
Communications in Theoretical Physics | 2005年 / 43卷 / 02期
基金：
中国国家自然科学基金;
关键词：
odd-even differences in moments of inertia; cranked shell model; particle-number conserving treatment;
D O I：
暂无
中图分类号：
O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The experimental large fluctuation in odd-even differences in moments of inertia of deformed actinide nucleiis investigated using the particle-number conserving（PNC）method for treating the cranked shell model with monopoleand quadrupole pairing interactions.PNC calculations show that the large odd-even difference in moments of inertiamainly comes from the interference contributions j（μv）from particles in high j intruder orbitals μ and v quite nearthe Fermi surface,which have no counterpart in the BCS formalism.The effective monopole and quadrupole pairinginteraction strengths are determined to fit the experimental odd-even differences in binding energies and bandheadmoments of inertia.The experimental results for the variation of moments of inertia with rotational frequency ω arereproduced well by the PNC calculation.The nearly identical experimental moments of inertia between;U（gsb）and;U（gsb）at low frequencies hω0.20 MeV are also reproduced quite well.
引用
收藏
页码：287 / 294
页数：8
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