Is the non-observation of neutrinoless double beta decay a question of sensitivity ? - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Journal Articles International Journal of Modern Physics E Year : 2003

Is the non-observation of neutrinoless double beta decay a question of sensitivity ?

Abstract

Hypothetical neutrinoless double beta decay is possible only if the neutrino is a truly neutral particle and if it is massive. A truly neutral particle (e.g. a particle identical with its antiparticle) should have all its algebraic intrinsic properties equal to zero, in particular, its lepton number should be 0. Now, since the neutrino is a lepton, its lepton number should be 1. This contradiction would lead one to conclude that neutrinoless double beta decay cannot take place in nature. This conclusion is, up to now, in agreement with persistent failures to find evidence for this long sought key hypothetical decay despite huge efforts dedicated to this aim. (WSP)
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Dates and versions

in2p3-00013697 , version 1 (30-10-2003)

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Ung Chan Tsan. Is the non-observation of neutrinoless double beta decay a question of sensitivity ?. International Journal of Modern Physics E, 2003, 12, pp.439-448. ⟨10.1142/S0218301303001405⟩. ⟨in2p3-00013697⟩
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