Engineering topics
Barea, J.
Publications and source records attributed to Barea, J..
Recent theoretical results for 0νββ-decay including R0νECEC and 0νββM
The most recent (2015) results for 0νββ nuclear matrix elements in the interacting boson model (IBM-2) with light and heavy neutrino exchange, including R0νECEC, are given for all nuclei of interest from {sup 48}Ca to {sup 238}U. Predictions for half-lives and limits for average neutrino mass are also made. Possible additional scenarios, such as Majoron emission, is also discussed.
Phase-space factors and half-life predictions for Majoron-emitting β⁻β⁻ decay
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Recent developments in the theory of double beta decay
We report results of a novel calculation of phase space factors for 2νβ{sup +}β{sup +}, 2νβ{sup +}EC, 2νECEC, 0νβ{sup +}β{sup +}, and 0νβ{sup +}EC using exact Dirac wave functions, and finite nuclear size and electron screening corrections. We present results of expected half-lives for 0νβ{sup +}β{sup +} and 0νβ{sup +}EC decays obtained by combining the calculation of phase space factors with IBM-2 nuclear matrix elements.