Massive neutrinos in a Calabi-Yau model

Details Massive neutrinos in a Calabi-Yau model Massive neutrinos in a Calabi-Yau model

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvd..47.3071m&link_type=abstract

Physical Review D (Particles and Fields), Volume 47, Issue 7, 1 April 1993, pp.3071-3074

Astronomy and Astrophysics

Astrophysics

3

Quark And Lepton Masses And Mixing

Scientific paper

We present an extension of the standard neutrino sector motivated by the heterotic string. Its basic ingredients are two nonweakly interacting neutrinos and a Z3 discrete symmetry acting as a matter parity. Although this model represents a very minimal extension of the standard model, its flexibility to produce nonstandard effects in a way consistent with the constraints from cosmology, astrophysics, and particle physics phenomenology seems quite remarkable. In particular, we discuss the ability of the model to accommodate the various experimental anomalies (τ lifetime, 17 keV neutrino, and solar-neutrino deficit) which have been the object of recent controversy.

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