期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 3, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP03(2022)113
关键词
Spontaneous Symmetry Breaking; Beyond Standard Model; GUT
资金
- U.S. Department of Energy [DE-SC-0017647]
- Natural Sciences and Engineering Research Council of Canada (NSERC)
We explore the possible low energy phases of a confining non-supersymmetric SU(5) chiral gauge theory with three generations of fermions, and outline a number of consistent low energy vacua using different approaches.
We explore the possible low energy phases of the confining non-supersymmetric SU(5) chiral gauge theory with three generations of fermions in the (10+(5) over bar) representations. This theory has the same fermion and gauge matter content as the simplest Georgi-Glashow grand unified theory of the Standard Model and has an SU(3) x SU(3) x U(1) global symmetry. Using 't Hooft anomaly matching, most attractive channel, and soft SUSY breaking approaches, we outline a number of possible consistent low energy vacua including one with a remnant SO(3) x U(1) symmetry that is analogous to the one-generation model. For the soft SUSY breaking approach, we find that as one extrapolates to large SUSY breaking to recover the original theory, a phase transition is possible. We show that such a phase transition is guaranteed if SUSY breaking is communicated via anomaly mediation.
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