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Renormalizable Adjoint SU(5)
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We investigate the possibility to find the simplest renormalizable grand unified theory based on the SU(5) gauge symmetry. We find that it is possible to generate all fermion masses with only two Higgs bosons, 5_H and 45_H. In this context the neutrino masses are generated through the type III and type I seesaw mechanisms. The predictions coming from the unification of gauge couplings and the stability of the proton are discussed in detail. In this theory the leptogenesis mechanism can be realized through the out of equilibrium decays of the fermions in the adjoint representation.
Forward citations
Cited by 4 Pith papers
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Heavy Axion from a Confining Mirror GUT
A mirror GUT model confines dynamically to produce a heavy axion solving the strong CP problem while allowing observable EDMs and a rich hidden sector.
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Sensitivity of Lepton Number Violating Meson Decays in Different Experiments
For 0.14 to 6 GeV heavy neutrinos, accounting for the parent meson's velocity weakens projected LNV meson decay sensitivities by one to two orders of magnitude at NA62 and SHiP.
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The QCD Axion and Unification
A renormalizable SU(5) grand unified theory fixes the Peccei-Quinn scale at the unification scale, predicting the QCD axion mass in the 3 to 13 × 10^-9 eV range.
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Neutrino Mass Induced $n$-$\overline{n}$ Oscillation
In the Georgi-Glashow SU(5) theory, generating a Majorana neutrino mass necessarily produces neutron–antineutron oscillation from the same operator.
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