The economical 3-3-1 model revisited

Abstract

We show that the economical 3-3-1 model poses a very high new physics scale of the order of 1000~TeV due to the constraint on the flavor-changing neutral current. The implications of the model for neutrino masses, inflation, leptogenesis, and superheavy dark matter are newly recognized. Alternatively, we modify the model by rearranging the third quark generation differently from the first two quark generations, as well as changing the scalar sector. The resultant model now predicts a consistent new physics at TeV scale unlike the previous case and may be fully probed at the current colliders. Particularly, due to the minimal particle contents, the models under consideration manifestly accommodate dark matter candidates and neutrino masses, with novel and distinct production mechanisms. The large flavor-changing neutral currents that come from the ordinary and exotic quark mixings can be avoided due to the approximate $B-L$ symmetry.

21 pages; english writing improved, dark matter stability stated, and references added; matches journal version

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Cited by in corpus (8)

• Dark matter and flavor changing in the flipped 3-3-1 model
• Fermion Mass Hierarchy and Double Seesaw Mechanism in a 3-3-1 Model with an Axion
• Novel effects of the $W$-boson mass shift in the 3-3-1 model
• Neutrino mass and dark matter from an approximate $B-L$ symmetry
• Dequantization of electric charge: Probing scenarios of cosmological multi-component dark matter
• An extended 3-3-1 model with two scalar triplets and linear seesaw mechanism
• Radiative corrections to the $\mathrm{S},\mathrm{T},\mathrm{U}$ parameters and their impact on the $W$ boson mass in the 331 model
• Fermion masses and mixings and charged lepton flavor violation in a 3-3-1 model with inverse seesaw