Effective value of gA in β and ββ decays
Finna-arvio
Effective value of gA in β and ββ decays
Effective value of the weak axial-vector coupling strength, g A , in nuclear β and ββ (double beta) decays is discussed. Both Gamow-Teller and first-forbidden β decays are included in the analyses. Quenching of g A in β and two-neutrino ββ decays is reviewed and impact of this quenching on neutrinoless ββ decays is addressed. New measurements of β spectra of first-forbidden non-unique β decays are encouraged, to learn about the mesonic enhancement of the weak axial charge in these decays.
Tallennettuna:
Kieli |
englanti |
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Sarja | Journal of Physics : Conference Series, 1056 |
Aiheet | |
ISSN |
1742-6588 |
Kuuluu kokonaisuuteen |