Two neutrino double-beta decay and effective axial-vector coupling constant

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21670%2F18%3A00355011" target="_blank" >RIV/68407700:21670/18:00355011 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1051/epjconf/201819402002" target="_blank" >https://doi.org/10.1051/epjconf/201819402002</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1051/epjconf/201819402002" target="_blank" >10.1051/epjconf/201819402002</a>

Result language
angličtina
Original language name
Two neutrino double-beta decay and effective axial-vector coupling constant
Original language description
The theoretical and experimental study of the two-neutrino double-beta decay (2v beta beta-decay) is of crucial importance for reliable calculation of matrix elements governing the neutrinoless double-beta decay (0v beta beta-decay). That will allow to determine masses of neutrinos once the 0v beta beta-decay, which occurs if the neutrino is a massive Majorana particle and the total lepton number is not conserved, will be observed. Experiments studying the 2v beta beta-decay are currently approaching a qualitatively new level, where high-precision measurements are performed not only for half-lives but for all other observables of the process. In this context an improved formula for the 2v beta beta-decay is presented. Further, a novel approach for determining the effective axial-vector coupling constant is proposed.
Czech name
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Czech description
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Project
<a href="/en/project/EF16_013%2F0001733" target="_blank" >EF16_013/0001733: Underground laboratory LSM - Czech participation to European-level research</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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