Baryon Triality and Neutrino Masses from an Anomalous Flavor U(1)

Abstract

We construct a concise U(1)_X Froggatt-Nielsen model in which baryon triality, a discrete gauge Z_3 symmetry, arises from U(1)_X breaking. The proton is thus stable, however, R-parity is violated. With the proper choice of U(1)_X charges we can obtain neutrino masses and mixings consistent with an explanation of the atmospheric and solar neutrino anomalies in terms of neutrino oscillations, with no right-handed neutrinos required. The only mass scale apart from M_grav is m_3/2 ~ m_soft.

matches published version, typos corrected, references added, 54 pages, 3 figures, 5 tables

References in corpus (2)

• A Mini-Landscape of Exact MSSM Spectra in Heterotic Orbifolds
• Proton Hexality from an Anomalous Flavor U(1) and Neutrino Masses - Linking to the String Scale

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