Majorana Neutrino Thesis Statements

Title: Double Beta Decay, Majorana Neutrinos, and Neutrino Mass

Authors:Frank T. Avignone III, Steven R. Elliott, Jonathan Engel

(Submitted on 7 Aug 2007 (v1), last revised 26 Nov 2007 (this version, v2))

Abstract: The theoretical and experimental issues relevant to neutrinoless double-beta decay are reviewed. The impact that a direct observation of this exotic process would have on elementary particle physics, nuclear physics, astrophysics and cosmology is profound. Now that neutrinos are known to have mass and experiments are becoming more sensitive, even the non-observation of neutrinoless double-beta decay will be useful. If the process is actually observed, we will immediately learn much about the neutrino. The status and discovery potential of proposed experiments are reviewed in this context, with significant emphasis on proposals favored by recent panel reviews. The importance of and challenges in the calculation of nuclear matrix elements that govern the decay are considered in detail. The increasing sensitivity of experiments and improvements in nuclear theory make the future exciting for this field at the interface of nuclear and particle physics.

Submission history

From: Steve Elliott [view email]
[v1] Tue, 7 Aug 2007 22:36:04 GMT (1988kb)
[v2] Mon, 26 Nov 2007 20:30:47 GMT (1140kb)

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Title: Effective Majorana neutrino decay

Authors:Lucía Duarte, Ismael Romero, Javier Peressutti, Oscar A. Sampayo

(Submitted on 25 Mar 2016 (v1), last revised 2 Aug 2016 (this version, v4))

Abstract: We study the decay of heavy sterile Majorana neutrinos according to the interactions obtained from an effective general theory. We describe the two and three-body decays for a wide range of neutrino masses. The results obtained and presented in this work could be useful for the study of the production and detection of this particles in a variety of high energy physics experiments and astrophysical observations. We show in different figures the dominant branching ratios and the total decay width.

Submission history

From: Lucía Duarte [view email]
[v1] Fri, 25 Mar 2016 22:54:52 GMT (150kb,D)
[v2] Sat, 23 Apr 2016 20:53:02 GMT (156kb,D)
[v3] Fri, 17 Jun 2016 21:36:00 GMT (158kb,D)
[v4] Tue, 2 Aug 2016 00:14:27 GMT (158kb,D)

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