Nambu mass hierarchies in low energy string models

P. Binétruy; E. Dudas

doi:10.1016/0370-2693(94)91338-2

Nambu mass hierarchies in low energy string models

P. Binétruy
, E. Dudas

Université Paris-Sud

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

Abstract

We show that a recent proposal by Nambu to generate a hierarchy among Yukawa couplings in the standard model may be easily implemented in superstring models. In such models, two of the main ingredients of the Nambu proposal find a natural explanation: minimising with respect to the Yukawas amounts to a minimisation with respect to the underlying moduli fields and a constraints on the Yukawas of the type of the Veltman condition may be attributed to the relaxation process to a phenomenologically viable string vacuum.

Original language	English
Pages (from-to)	23-30
Number of pages	8
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	338
Issue number	1
DOIs	https://doi.org/10.1016/0370-2693(94)91338-2
Publication status	Published - 20 Oct 1994
Externally published	Yes

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title = "Nambu mass hierarchies in low energy string models",

abstract = "We show that a recent proposal by Nambu to generate a hierarchy among Yukawa couplings in the standard model may be easily implemented in superstring models. In such models, two of the main ingredients of the Nambu proposal find a natural explanation: minimising with respect to the Yukawas amounts to a minimisation with respect to the underlying moduli fields and a constraints on the Yukawas of the type of the Veltman condition may be attributed to the relaxation process to a phenomenologically viable string vacuum.",

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AB - We show that a recent proposal by Nambu to generate a hierarchy among Yukawa couplings in the standard model may be easily implemented in superstring models. In such models, two of the main ingredients of the Nambu proposal find a natural explanation: minimising with respect to the Yukawas amounts to a minimisation with respect to the underlying moduli fields and a constraints on the Yukawas of the type of the Veltman condition may be attributed to the relaxation process to a phenomenologically viable string vacuum.

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DO - 10.1016/0370-2693(94)91338-2

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JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

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Nambu mass hierarchies in low energy string models

Abstract

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