AN <EM>SU</EM>(6) GRAND UNIFIED MODEL

JIANG Xiang-Dong

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2024年10月30日

Chinese Physics C> 1984, Vol. 8> Issue(3) : 272-278

AN SU(6) GRAND UNIFIED MODEL

JIANG Xiang-Dong ^,

Institute of High Energy Physics. Academia Sinica

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Abstract：
A model of grand unified theory based on SU(6) gauge group is proposed. It can accommodate two generations of ordinary fermions with V－A weak coupling and two generations of anomalous fermions with V+A weak coupling. In this model a new discrete symmetry is introduced which insures existence of fermions with lower masses when SU(6) gauge symmetry is spontaneously broken. We choose simple Higgs fields with appropriate vacuum expectation values so that the masses of anomalous fermions are heavier than those of ordinary fermions. This model also gives the same value of Weinberg angle, sin²θw=3/8, as in the usual SU(5) grand unified model at the grand unified scale.

References

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JIANG Xiang-Dong. AN SU(6) GRAND UNIFIED MODEL[J]. Chinese Physics C, 1984, 8(3): 272-278.

JIANG Xiang-Dong. AN SU(6) GRAND UNIFIED MODEL[J]. Chinese Physics C, 1984, 8(3): 272-278. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

AN SU(6) GRAND UNIFIED MODEL

JIANG Xiang-Dong ^,

Corresponding author: JIANG Xiang-Dong,

Institute of High Energy Physics. Academia Sinica

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1984-06-05

Abstract: A model of grand unified theory based on SU(6) gauge group is proposed. It can accommodate two generations of ordinary fermions with V－A weak coupling and two generations of anomalous fermions with V+A weak coupling. In this model a new discrete symmetry is introduced which insures existence of fermions with lower masses when SU(6) gauge symmetry is spontaneously broken. We choose simple Higgs fields with appropriate vacuum expectation values so that the masses of anomalous fermions are heavier than those of ordinary fermions. This model also gives the same value of Weinberg angle, sin²θw=3/8, as in the usual SU(5) grand unified model at the grand unified scale.