CPT, Lorentz invariance, mass differences, and charge non-conservation
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- Dolgov, A.D. & Novikov, V.A. Jetp Lett. (2012) 95: 594. doi:10.1134/S0021364012110033
A non-local field theory that breaks discrete symmetries, including C, P, CP, and CPT, but preserves Lorentz symmetry, is presented. We demonstrate that at one-loop level the masses for particle and antiparticle remain equal due to Lorentz symmetry only. An inequality of masses implies breaking of the Lorentz invariance and non-conservation of the usually conserved charges.