Scotogenic model from an extended electroweak symmetry

American Physical Society (APS) - Tập 110 Số 3
P. Dong1, Duong Van Loi1
1Phenikaa Institute for Advanced Study and Faculty of Basic Science, Phenikaa University, Yen Nghia, Ha Dong, Hanoi 100000, Vietnam

Tóm tắt

We argue that the higher weak isospin SU(3)L manifestly unifies dark matter and normal matter in its isomultiplets for which dark matter carries a conserved dark charge while normal matter does not. The resultant gauge symmetry is given by SU(3)C⊗SU(3)L⊗U(1)X⊗U(1)G, where the first factor is the color group, while the rest defines a scotoelectroweak theory in which X and G determine electric charge Q=T3−1/3T8+X and dark charge D=−2/3T8+G. This setup provides both appropriate scotogenic neutrino masses and dark matter stability as preserved by a residual dark parity PD=(−1)D. Interpretation of the dark charge is further discussed, given that SU(3)L is broken at very high energy scale. Published by the American Physical Society 2024

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American Physical Society (APS)

Tập 110 Số 3

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