Value of the Axial-Vector Coupling Strength in β and ββ Decays: A Review
In this review the quenching of the weak axial-vector coupling strength, gA, is discussed in nuclear β and double-β decays. On one hand, the nuclear-medium and nuclear many-body effects are separated, and on the other hand the quenching is discussed from the points of view of different many-body met...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2017-11-01
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| Series: | Frontiers in Physics |
| Subjects: | |
| Online Access: | http://journal.frontiersin.org/article/10.3389/fphy.2017.00055/full |
| _version_ | 1828466527251202048 |
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| author | Jouni T. Suhonen |
| author_facet | Jouni T. Suhonen |
| author_sort | Jouni T. Suhonen |
| collection | DOAJ |
| description | In this review the quenching of the weak axial-vector coupling strength, gA, is discussed in nuclear β and double-β decays. On one hand, the nuclear-medium and nuclear many-body effects are separated, and on the other hand the quenching is discussed from the points of view of different many-body methods and different β-decay and double-β-decay processes. Both the historical background and the present status are reviewed and contrasted against each other. The theoretical considerations are tied to performed and planned measurements, and possible new measurements are urged, whenever relevant and doable. Relation of the quenching problem to the measurements of charge-exchange reactions and muon-capture rates is pointed out. |
| first_indexed | 2024-12-11T03:51:57Z |
| format | Article |
| id | doaj.art-6a1b07791c11440caaf4a49a79d19f5e |
| institution | Directory Open Access Journal |
| issn | 2296-424X |
| language | English |
| last_indexed | 2024-12-11T03:51:57Z |
| publishDate | 2017-11-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Physics |
| spelling | doaj.art-6a1b07791c11440caaf4a49a79d19f5e2022-12-22T01:21:53ZengFrontiers Media S.A.Frontiers in Physics2296-424X2017-11-01510.3389/fphy.2017.00055288599Value of the Axial-Vector Coupling Strength in β and ββ Decays: A ReviewJouni T. SuhonenIn this review the quenching of the weak axial-vector coupling strength, gA, is discussed in nuclear β and double-β decays. On one hand, the nuclear-medium and nuclear many-body effects are separated, and on the other hand the quenching is discussed from the points of view of different many-body methods and different β-decay and double-β-decay processes. Both the historical background and the present status are reviewed and contrasted against each other. The theoretical considerations are tied to performed and planned measurements, and possible new measurements are urged, whenever relevant and doable. Relation of the quenching problem to the measurements of charge-exchange reactions and muon-capture rates is pointed out.http://journal.frontiersin.org/article/10.3389/fphy.2017.00055/fulldouble beta decaysGamow-Teller beta decaysforbidden beta decaysaxial-vector coupling strengthbeta spectracharge-exchange reactions |
| spellingShingle | Jouni T. Suhonen Value of the Axial-Vector Coupling Strength in β and ββ Decays: A Review Frontiers in Physics double beta decays Gamow-Teller beta decays forbidden beta decays axial-vector coupling strength beta spectra charge-exchange reactions |
| title | Value of the Axial-Vector Coupling Strength in β and ββ Decays: A Review |
| title_full | Value of the Axial-Vector Coupling Strength in β and ββ Decays: A Review |
| title_fullStr | Value of the Axial-Vector Coupling Strength in β and ββ Decays: A Review |
| title_full_unstemmed | Value of the Axial-Vector Coupling Strength in β and ββ Decays: A Review |
| title_short | Value of the Axial-Vector Coupling Strength in β and ββ Decays: A Review |
| title_sort | value of the axial vector coupling strength in β and ββ decays a review |
| topic | double beta decays Gamow-Teller beta decays forbidden beta decays axial-vector coupling strength beta spectra charge-exchange reactions |
| url | http://journal.frontiersin.org/article/10.3389/fphy.2017.00055/full |
| work_keys_str_mv | AT jounitsuhonen valueoftheaxialvectorcouplingstrengthinbandbbdecaysareview |