1974
DOI: 10.1016/0375-9474(74)90407-2
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Magnetic moments and GT-type β-decay matrix elements in nuclei with a LS doubly closed shell plus or minus one nucleon

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Cited by 196 publications
(81 citation statements)
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“…and found very small quenching factors, q ≃ 0.2 − 0.3 thus stimulating the statement that massive renormalization of g A occurs in heavy nuclei [67]. The second type of quenching was extensively investigated theoretically in the 1970s [69][70][71]. This effect does not depend much on the nuclear model used in the calculation, but rather on the mechanism of coupling to non-nucleonic degrees of freedom.…”
Section: νββ Decay a Matrix Elementsmentioning
confidence: 97%
“…and found very small quenching factors, q ≃ 0.2 − 0.3 thus stimulating the statement that massive renormalization of g A occurs in heavy nuclei [67]. The second type of quenching was extensively investigated theoretically in the 1970s [69][70][71]. This effect does not depend much on the nuclear model used in the calculation, but rather on the mechanism of coupling to non-nucleonic degrees of freedom.…”
Section: νββ Decay a Matrix Elementsmentioning
confidence: 97%
“…On the experimental side the recent measurements [1] have pinned down the amount of strength reduction to about 10% in mediumheavy nuclei. Theoretically there are several possible sources of quenching ranging from multiconfiguration spreading [2] to coupling to the ∆-hole sector [3]. The nuclear GT transitions are essential to many important processes in particle and astrophysics related to neutrinonucleus interactions and therefore, further understanding of the GT quenching is needed.…”
mentioning
confidence: 99%
“…Such a situation is less dramatic than it seems to be at first sight and is somewhat similar to the one arising from considering MEC contributions which partly account for such corrections [2,14]. However, a closer examination indicates that those corrections calculated here are probably larger than in the MEC approach.…”
Section: (P/m P/(m-[es~]))mentioning
confidence: 54%
“…This was the case for instance with mesonic exchange currents, [-1], or high momentum components in the nuclear wave function [2]. Presently, this is the case with possible relativistic effects [-3].…”
mentioning
confidence: 99%