Higher-dimensional operators in SUSY SO(10) GUT models

Details Higher-dimensional operators in SUSY SO(10) GUT models Higher-dimensional operators in SUSY SO(10) GUT models

2006-03-08

arxiv.org/abs/hep-ph/0603056v1

Phys.Lett.B637:295-297,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages

Scientific paper

10.1016/j.physletb.2006.04.051

SO(10) GUT models with only small Higgs fields use higher-dimensional operators to generate realistic fermion mass matrices. In particular, a Higgs field in the spinor representation, 16^d_H, acquires a weak scale vev. We include the weak vev of the corresponding field \bar{16}^u_H and investigate the effect on two successful models, one by Albright and Barr (AB) and another by Babu, Pati and Wilczek (BPW). We find that the BPW model is a particular case within a class of models with identical fermion masses and mixings. In contrast, we expect corrections to the parameters of AB-type models.

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