Right-right-left extension of the standard model

A right–right–left extension of the Standard Model is proposed. In this model, SM gauge group SU(2)L ⊗U(1)Y is extended to SU(2)L ⊗SU(2)R ⊗SU(2)R′⊗SU(2) L′⊗U(1) Y. The gauge symmetries SU(2)R′, SU(2)L′ are the mirror counterparts of the SU(2)L and SU(2)R, respectively. Parity is spontaneously broken when the scalar Higgs fields acquire vacuum expectation values (VEVs) in a certain pattern. Parity is restored at the scale of SU(2)L′. The gauge sector has a unique pattern. The scalar sector of the model is optimum, elegant and unique.

Note:

11 pages, a few typos are corrected, matches with to be published version in Mod.Phys.Lett. A

12.60.Cn
12.60.Fr
Extension of the gauge sector
parity
symmetry: gauge
symmetry: mirror
symmetry: SU(2)
parity: symmetry
new physics

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