Abstract
The various symmetry breaking patterns that are possible with a 24-plet and a 5-plet of Higgs fields in SU(5) are classified. Spontaneous breakdown of SU(5) to SU(3)colour×U(1) em can be achieved (excluding the gauge hierarchy problem) without imposing unnatural constraints on the parameters of the Higgs potential.
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Magg, M., Shafi, Q. Symmetry breaking patterns in SU (5). Z. Phys. C - Particles and Fields 4, 63–66 (1980). https://doi.org/10.1007/BF01477309
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DOI: https://doi.org/10.1007/BF01477309