On the impact of large amplitude pairing fluctuations on nuclear spectra

Details On the impact of large amplitude pairing fluctuations on nuclear spectra On the impact of large amplitude pairing fluctuations on nuclear spectra

2011-09-29

arxiv.org/abs/1109.6540v1

Phys. Lett. B704, 520 (2011); Erratum Phys. Lett. B705, 543(2011)

Physics

Nuclear Physics

Nuclear Theory

9 pages, 5 figures

Scientific paper

The influence of large amplitude pairing fluctuations is investigated in the framework of beyond mean field symmetry conserving configuration mixing calculations. In the numerical application the finite range density dependent Gogny force is used. We investigate the nucleus $^{54}$Cr with particle number and angular momentum projected wave functions considering the axial quadrupole deformation and the pairing gap degree of freedom as generator coordinates. We find that the effects of the pairing fluctuations increase with the excitation energy and the angular momentum. The self-consistency in the determination of the basis states plays an important role.

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