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One-loop radiative correction to Kaluza-Klein masses in S2/Z2 universal extra-dimensional model
We investigate a radiative correction to the masses of Kaluza–Klein (KK) modes in a universal extra-dimensional model defined on a six-dimensional spacetime with extra space as a two-sphere orbifold |$S^2/Z_2$|. We first define the Feynman rules which are necessary for the calculation. We then calculate the one-loop diagrams which contribute …