Stringy origin of neutrino masses within the minimal supersymmetric standard model
Conference
·
· AIP Conference Proceedings (American Institute of Physics); (United States)
OSTI ID:5541090
- Department of Physics, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6396 (United States)
We present a gravity-induced'' seesaw mechanism, which accommodates neutrino masses ([ital m][sub [nu]][proportional to][ital m][sup 2][sub [ital u]]/[ital M][sub [ital I]], with [ital m][sub [ital u]] the corresponding quark mass and [ital M][sub [ital I]][congruent]4[times]10[sup 11] GeV) compatible with the MSW study of the Solar neutrino deficit within the minimal supersymmetric Standard Model (the grand desert with the gauge coupling unification at [ital M][sub [ital U]][congruent]2[times]10[sup 16] GeV). We show that for large radius ([ital R][sup 2]/[alpha][prime]=O(20)) Calabi-Yau spaces, threshold corrections ensure [ital M][sup 2][sub [ital U]]=[ital M][sup 2][sub [ital C]]/O(2[ital R][sup 2]/[alpha][prime]) and the magnitude of the non-renormalizable terms in the superpotential yields [ital M][sub [ital I]]=O([ital e][sup [minus][ital R][sup 2]/[alpha][prime]])[ital M][sub [ital C]]. Here [ital M][sub [ital C]]=[ital g][times]5.2[times]10[sup 17] GeV is the scale of the tree level (genus zero) gauge coupling ([ital g]) unification.
- DOE Contract Number:
- AC02-76ER03071
- OSTI ID:
- 5541090
- Report Number(s):
- CONF-920837--
- Conference Information:
- Journal Name: AIP Conference Proceedings (American Institute of Physics); (United States) Journal Volume: 272:1
- Country of Publication:
- United States
- Language:
- English
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COMPOSITE MODELS
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ELEMENTARY PARTICLES
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662120* -- General Theory of Particles & Fields-- Symmetry
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COMPOSITE MODELS
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LEPTONS
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MATHEMATICAL MODELS
NEUTRINOS
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Pa
Particle Systematics-- Unified Theories & Models-- (1992-)
QUARK MODEL
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RENORMALIZATION
SOLAR NEUTRINOS
SOLAR PARTICLES
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STELLAR RADIATION
STORAGE RINGS
STRING MODELS
SUPERSYMMETRY
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UNIFIED GAUGE MODELS