Phenomenological studies of rank-5 Calabi-Yau models

J. Ellis; K. Enqvist; S. Kalara; D. V. Nanopoulos; K. A. Olive

doi:10.1016/0550-3213(88)90010-7

Phenomenological studies of rank-5 Calabi-Yau models

J. Ellis, K. Enqvist, S. Kalara, D. V. Nanopoulos, K. A. Olive

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

We study the phenomenology of heterotic superstring models compactified on Calabi-Yau manifolds with non-abelian fundamental groups which can yield the rank-5 gauge group SU(3)_c × SU(2)_L × U(1)² in four dimensions. We examine one 2-generation model and several 4-generation models. They all have fatal problems with proton decay and/or neutrino masses. The most interesting 4-generation model avoids rapid proton decay at the expense of a neutrino weighing more than the proton and an unrealistic pattern of Cabibbo mixing.

Original language	English (US)
Pages (from-to)	445-469
Number of pages	25
Journal	Nuclear Physics, Section B
Volume	306
Issue number	3
DOIs	https://doi.org/10.1016/0550-3213(88)90010-7
State	Published - Aug 29 1988

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abstract = "We study the phenomenology of heterotic superstring models compactified on Calabi-Yau manifolds with non-abelian fundamental groups which can yield the rank-5 gauge group SU(3)c × SU(2)L × U(1)2 in four dimensions. We examine one 2-generation model and several 4-generation models. They all have fatal problems with proton decay and/or neutrino masses. The most interesting 4-generation model avoids rapid proton decay at the expense of a neutrino weighing more than the proton and an unrealistic pattern of Cabibbo mixing.",

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AU - Ellis, J.

AU - Enqvist, K.

AU - Kalara, S.

AU - Nanopoulos, D. V.

AU - Olive, K. A.

PY - 1988/8/29

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N2 - We study the phenomenology of heterotic superstring models compactified on Calabi-Yau manifolds with non-abelian fundamental groups which can yield the rank-5 gauge group SU(3)c × SU(2)L × U(1)2 in four dimensions. We examine one 2-generation model and several 4-generation models. They all have fatal problems with proton decay and/or neutrino masses. The most interesting 4-generation model avoids rapid proton decay at the expense of a neutrino weighing more than the proton and an unrealistic pattern of Cabibbo mixing.

AB - We study the phenomenology of heterotic superstring models compactified on Calabi-Yau manifolds with non-abelian fundamental groups which can yield the rank-5 gauge group SU(3)c × SU(2)L × U(1)2 in four dimensions. We examine one 2-generation model and several 4-generation models. They all have fatal problems with proton decay and/or neutrino masses. The most interesting 4-generation model avoids rapid proton decay at the expense of a neutrino weighing more than the proton and an unrealistic pattern of Cabibbo mixing.

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