A quark-lepton unified Pati-Salam model with Z2 symmetry realizes a leptoquark gauge boson as light as 4.3 TeV, compatible with LHC and flavor constraints, and predicts testable lepton flavor violation plus new vector-like quarks.
Quark-Lepton Unification and Rare Meson Decays
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abstract
We study meson decays mediated by the heavy gauge bosons of the Pati-Salam model of quark-lepton unification. We consider the scenarios in which the tau lepton is associated with the third, second, and first generation of quarks. The most sensitive probes, depending on the scenario, are rare K, pi, and B decays.
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The CP-violating decay-rate asymmetry in Σ⁺→pℓ⁺ℓ⁻ is allowed to reach tens of percent and is testable at LHCb.
Review of the room left for B-decay anomalies inside the minimal low-energy leptoquark gauge model with SU(4)_C ⊗ SU(2)_L ⊗ U(1)_R symmetry.
citing papers explorer
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TeV Scale Quark-Lepton Unification
A quark-lepton unified Pati-Salam model with Z2 symmetry realizes a leptoquark gauge boson as light as 4.3 TeV, compatible with LHC and flavor constraints, and predicts testable lepton flavor violation plus new vector-like quarks.
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CP violation in $\Sigma^+\to p\ell^+\ell^-$ within the standard model and beyond
The CP-violating decay-rate asymmetry in Σ⁺→pℓ⁺ℓ⁻ is allowed to reach tens of percent and is testable at LHCb.
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Lepton non-universality in $B$-decays in the minimal leptoquark gauge model
Review of the room left for B-decay anomalies inside the minimal low-energy leptoquark gauge model with SU(4)_C ⊗ SU(2)_L ⊗ U(1)_R symmetry.