The majorana neutrinoless double-beta decay experiment
نویسندگان
چکیده
منابع مشابه
Majorana neutrino masses from neutrinoless double beta decay and cosmology
When three Majorana neutrinos describe the solar and atmospheric neutrino data via oscillations, a nonzero measurement of neutrinoless double beta (0νββ) decay can determine the sum of neutrino masses ∑ mν if the solar solution has small-angle mixing, and place a lower bound on ∑ mν for large-angle solar mixing. If in addition a nonzero ∑ mν is deduced from cosmology, the neutrino mass spectrum...
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We explain excess events near the endpoints of the double beta decay (ββ) spectra of several elements, using the neutrinoless emission of massless Goldstone bosons. Models with scalars carrying lepton number −2 are proposed for this purpose so that ordinary neutrinoless ββ is forbidden, and we can raise the scale of global symmetry breaking above the 10 keV scale needed for observable emission ...
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The status of the search for neutrinoless double beta decay is reviewed. The effort to reach the sensitivity needed to cover the effective Majorana neutrino mass corresponding to the degenerate and inverted mass hierarchy is described. Various issues concerning the theory (and phenomenology) of the relation between the 0νββ decay rate and the absolute neutrino mass scale are discussed, in parti...
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This paper introduces the neutrinoless double-beta decay the rarest nuclear weak process and describes the status of the research for this transition, both from the point of view of theoretical nuclear physics and in terms of the present and future experimental scenarios. Implications of this phenomenon on crucial aspects of particle physics are briefly discussed. The calculations of the nuclea...
متن کاملNeutrinoless Double Beta Decay Constraints∗
A brief overview is given of theoretical analyses with neutrinoless double beta decay experiments. Theoretical bounds on the “observable”, 〈m〉ββ , are presented. By using experimental bounds on 〈m〉ββ , allowed regions are obtained on the ml-cos 2θ12 plane, where ml stands for the lightest neutrino mass. It is shown that Majorana neutrinos can be excluded by combining possible results of future ...
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ژورنال
عنوان ژورنال: Physics of Atomic Nuclei
سال: 2004
ISSN: 1063-7788,1562-692X
DOI: 10.1134/1.1825519