Recent Advances in Double Beta Decay Investigations: In Honor of Prof. Sabin Stoica at His 70th Anniversary
A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".
Deadline for manuscript submissions: closed (30 April 2024) | Viewed by 2761
Special Issue Editors
Interests: nuclear structure; double beta decay; computational physics
Special Issues, Collections and Topics in MDPI journals
Interests: nuclear structure; double beta decay; computational physics
Special Issues, Collections and Topics in MDPI journals
Interests: nuclear structure; double beta decay; computational physics
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Double-beta decay is one of the current research topics of great interest due its potential to unravel key unknown information on a broad range of issues including violation of conservation laws, fundamental properties of neutrinos, various lepton number violating mechanisms that could contribute to neutrinoless double-beta decay.
The experimental efforts aim at the deployment of large-scale experiments with large masses of active isotopes that increase the sensitivity, reduce the background contributions and improve the technical performance of the measurements. The so-called "tonne-phase" searches will attain sensitivities for neutrinoless double beta decay half-lives of the order of 1027-28 years, which would reach the inverted mass hierarchy region for the effective Majorana mass parameter. The discovery of neutrinoless double beta decay, or measurement of any improved limit of its half-life, can be used to constrain the absolute neutrino mass scale and various possible mechanisms that can contribute to this decay mode. Additionally, from an accurate analysis of the emitted electron spectra, signatures of Lorentz invariance violations are searched as well.
On the theoretical side, there is a continuous effort to provide precise calculations to support the data analysis and interpretation. The main challenge remains the computation of the nuclear matrix elements whose values still differ too much among different methods, thus affecting the decay rate predictions and the constraint of different lepton violation mechanisms. New methods and techniques are recently developed, from phenomenological approaches to ab initio methods. In addition, experimental studies of single beta decays, muon captures, and charge exchange reactions are used to improve theoretical calculations for the double-beta decay nuclear matrix elements. Additionally, precise calculations of the electron spectra and their angular correlations are used to search for new physics beyond the Standard Model.
In this research topic volume we aim to gather relevant results in the double-beta decay field. Submissions can be recent research and theoretical or experimental reviews.
You may choose our Joint Special Issue in Universe [ISSN 2218-1997, SCIE Indexed, IF 2.813].
Prof. Dr. Mihai Horoi
Prof. Dr. Hiro Ejiri
Dr. Andrei Neacsu
Guest Editors
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Keywords
- neutrino physics
- double beta decays
- nuclear structure
- weak interaction
- beta decays
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