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Title: The double-beta decay: Theoretical challenges

Neutrinoless double beta decay is a unique process that could reveal physics beyond the Standard Model of particle physics namely, if observed, it would prove that neutrinos are Majorana particles. In addition, it could provide information regarding the neutrino masses and their hierarchy, provided that reliable nuclear matrix elements can be obtained. The two neutrino double beta decay is an associate process that is allowed by the Standard Model, and it was observed for about ten nuclei. The present contribution gives a brief review of the theoretical challenges associated with these two process, emphasizing the reliable calculation of the associated nuclear matrix elements.
Authors:
 [1]
  1. Department of Physics, Central Michigan University, Mount Pleasant, Michigan, 48859 (United States)
Publication Date:
OSTI Identifier:
22075834
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1498; Journal Issue: 1; Conference: Carpathian summer school of physics 2012, Sinaia (Romania), 24 Jun - 7 Jul 2012; Other Information: (c) 2012 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; DOUBLE BETA DECAY; MATRIX MATERIALS; NEUTRINOS; NUCLEAR MATRIX; NUCLEI; REST MASS; STANDARD MODEL