Neutrino-nuclear responses and the effective value of weak axial coupling
Suhonen, J. (2019). Neutrino-nuclear responses and the effective value of weak axial coupling. In O. Civitarese, I. Stekl, & J. Suhonen (Eds.), MEDEX’19 : Workshop on Calculation of Double-Beta-Decay Matrix Elements (Article 020026). American Institute of Physics. AIP Conference Proceedings, 2165. https://doi.org/10.1063/1.5130987
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AIP Conference ProceedingsAuthors
Date
2019Copyright
© 2019 the Authors
On-going measurements of the neutrinoless ββ decay are accompanied by the growing interest in computing the values of the associated nuclear matrix elements. In order to extract the neutrino mass from the potentially measured ββ half-lives one not only needs to know the values of the nuclear matrix elements but also the effective value of the weak axial-vector coupling constant gA since its value affects strongly the ββ half-lives. In order to gain knowledge of the possible quenching of gA in finite nuclei one can study, e.g., allowed Gamow-Teller β decays. A new promising tool to study the quenching are the measurements of ordinary muon capture transitions for which the range of momentum exchange, some 100 MeV, corresponds to the one of neutrinoless ββ decay.
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American Institute of PhysicsParent publication ISBN
978-0-7354-1910-0Conference
Workshop on Calculation of Double-Beta-Decay Matrix ElementsIs part of publication
MEDEX’19 : Workshop on Calculation of Double-Beta-Decay Matrix ElementsISSN Search the Publication Forum
0094-243XKeywords
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https://converis.jyu.fi/converis/portal/detail/Publication/33376276
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Research Council of FinlandFunding program(s)
Academy Project, AoFAdditional information about funding
This work was partially supported by the Academy of Finland under the Academy project no. 318043.License
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