Is the weak axial - vector current renormalized in nuclei? - INSPIRE

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Is the weak axial - vector current renormalized in nuclei?

E.G. Adelberger
(
- Washington U., Seattle
)
,
A. Garcia
(
- Washington U., Seattle
)
,
P.V. Magnus
(
- Washington U., Seattle
)
,
D.P. Wells
(
- Washington U., Seattle
)

1991

3 pages

Published in:

Phys.Rev.Lett. 67 (1991) 3658-3660

DOI:

10.1103/PhysRevLett.67.3658

View in:

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Abstract: (APS)

The measured Gamow-Teller strength in Ca37 β+ decay, which has an unusually high energy release, differs significantly from shell-model predictions and also from the analogous strength inferred from the Cl37(p,n) reaction. This calls into question the claim, based primarily on shell-model analyses of low-energy-release β-decay rates and (p,n) cross sections, that gA is significantly renormalized in complex nuclei.

nucleus: semileptonic decay
semileptonic decay: nucleus
calcium
current: axial-vector
renormalization
shell model: validity test
experimental results

References(14)

Figures(0)

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ISOLDE

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,
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)
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