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|Title:||Neutrino masses, grand unification, and baryon number violation|
|Author:||De Gouvêa, A.|
|Citation:||Physical Review D, 2014; 90(1):016011-1-016011-11|
|Publisher:||American Physical Society|
|André de Gouvêa, Juan Herrero-García and Andrew Kobach|
|Abstract:||If grand unification is real, searches for baryon-number violation should be included on the list of observables that may reveal information regarding the origin of neutrino masses. Making use of an effective-operator approach and assuming that nature is SU(5) invariant at very short distances, we estimate the consequences of different scenarios that lead to light Majorana neutrinos for low-energy phenomena that violate baryon number minus lepton number (B - L) by two (or more) units, including neutron-antineutron oscillations and B - L violating nucleon decays. We find that, among all possible effective theories of lepton-number violation that lead to nonzero neutrino masses, only a subset is, broadly speaking, consistent with grand unification.|
|Rights:||© 2014 American Physical Society|
|Appears in Collections:||Physics publications|
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