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首页> 外文期刊>Physical review, C >Effect of the Pauli principle on the deformed quasiparticle random-phase approximation calculations and its consequence for beta-decay calculations of deformed even-even nuclei
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Effect of the Pauli principle on the deformed quasiparticle random-phase approximation calculations and its consequence for beta-decay calculations of deformed even-even nuclei

机译:Pauli原理对变形偶数常核近似计算的影响及其对变形偶数核的β衰减计算的结果

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In this work, I take into consideration the Pauli exclusion principle (PEP) in the quasiparticle randomphase approximation (QRPA) calculations for the deformed systems by replacing the traditional quasiboson approximation (QBA) with the renormalized one. With this new formalism, the parametrization of QRPA calculations has been changed and the collapse of QRPA solutions could be avoid for realistic gpp values. I further find that the necessity of the renormalization parameter of particle-particle residual interaction gpp in QRPA calculations is due to the exclusion of PEP. So with the inclusion of PEP, I could easily extend the deformed QRPA calculations to the less-explored region where lack of experimental data prevent effective parametrization of gpp for QRPAmethods. With this theoretical improvement, I give predictions of weak decay rates for even-even isotopes in the rare-earth region and compare the results with existing calculations.
机译:在这项工作中,我通过用重字化的传统的拟核素近似(QBA)来考虑到变形系统的Quasiparticle Orcualphase近似(QRPA)计算中的Pauli排除原理(PEP)。 通过这种新的形式主义,已经改变了QRPA计算的参数化,可以避免QRPA解决方案的崩溃,以实现现实的GPP值。 我进一步发现,QRPA计算中粒子颗粒残余相互作用GPP的重整化参数的必要性是由于PEP的排除。 因此,随着PEP的包容,我可以轻松地将变形的QRPA计算扩展到缺乏实验数据的较低探索区域,防止GPP对QRPAMETHOD的有效参数化。 通过这种理论改进,我给出了稀土地区均匀同位素的弱衰减率的预测,并将结果与现有的计算进行比较。

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