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NLO calculation of the Delta F = 2 Hamiltonians in the MSSM and phenomenological analysis of the B - Bbar mixing

M. Ciuchini·E. Franco·D. Guadagnoli·V. Lubicz·V. Porretti·L. Silvestrini
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Abstract

We present the NLO corrections to the Wilson coefficients of the Delta F = 2 Hamiltonians in the strong interacting sector of the MSSM, responsible for neutral meson oscillations. Such corrections, combined with the NLO anomalous dimension matrix for the Delta F = 2 operators and the corresponding hadronic matrix elements calculated on the lattice, allow for the first time a full NLO phenomenological analysis of the observables related to meson oscillations. We present preliminary results in the B_d - B_d bar sector.

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M. Ciuchini, E. Franco, D. Guadagnoli, V. Lubicz, V. Porretti, L. Silvestrini. 2005-12-12. NLO calculation of the Delta F = 2 Hamiltonians in the MSSM and phenomenological analysis of the B - Bbar mixing. https://arxiv.org/abs/hep-ph/0512141

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