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- W2889349593 abstract "We have studied the contributions of Lorentz-violating CPT-odd and CPT-even nonminimal couplings to the energy spectrum of the mesonic hydrogen and the higher-order radiative corrections to the effective action of the photon sector of a Lorentz-violating version of the scalar electrodynamics. By considering the complex scalar field describes charged mesons (pion or kaon), the non-relativistic limit of the model allows to attain upper-bounds by analyzing its contribution to the mesonic hydrogen energy. By using the experimental data for the $1S$ strong correction shift and the pure QED transitions $4P rightarrow 3P$, the best upper-bound for the CPT-odd coupling is $<10^{-12}text{eV}^{-1}$ and for the CPT-even one is $<10^{-16}text{eV}^{-2}$. Besides, the CPT-odd radiative correction to the photon action is a dimension-5 operator which looks like a higher-order Carroll-Field-Jackiw term. The CPT-even radiative contribution to the photon effective action is a dimension-6 operator which would be a higher-order derivative version of the minimal CPT-even term of the standard model extension." @default.
- W2889349593 created "2018-09-07" @default.
- W2889349593 creator A5008008632 @default.
- W2889349593 creator A5023309187 @default.
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- W2889349593 date "2019-03-01" @default.
- W2889349593 modified "2023-09-27" @default.
- W2889349593 title "Lorentz-violating nonminimal coupling contributions in mesonic hydrogen atoms" @default.
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- W2889349593 doi "https://doi.org/10.1016/j.physletb.2019.01.019" @default.
- W2889349593 hasPublicationYear "2019" @default.
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