ORDINARY AND MIRROR PARTICLES. “In this way, all O particles: electron e, proton p, neutron n, neutrinos ν, photon γ etc. must have the mass-degenerate M twins e′, p′, n′, ν′, γ′ etc. which are sterile to the interactions of our Standard Model (SM) but have their own SM′ interactions of exactly the same pattern.”
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