Axion-familon model with a harmless 17 keV neutrino

Details Axion-familon model with a harmless 17 keV neutrino Axion-familon model with a harmless 17 keV neutrino

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phlb..159..389n&link_type=abstract

Physics Letters B, Volume 159, Issue 4-6, p. 389-392.

Physics

3

Scientific paper

A model is discussed in which e + τ-μ emerges as an approximate, but very good, accidental symmetry of the lepton mass matrices. Consequently a heavy neutrino can be accommodated without conflicts with νμ oscillation or neutrinoless double β decay data. The model has a Goldstone boson which may be interpreted as the axion, the majoron, or a familon. The decay of the heavy neutrino can proceed at a rate just compatible with cosmology if the K+ --> π+ + Goldstone boson branching ratio is at the present experimental limit.
Junior Fellow, Harvard Society of Fellows.

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