arXiv:hep-ph/0512141·v1·High Energy Physics — Phenomenology
NLO calculation of the Delta F = 2 Hamiltonians in the MSSM and phenomenological analysis of the B - Bbar mixing
M. Ciuchini (1)🇮🇹 · E. Franco (2)🇮🇹 · D. Guadagnoli (2)🇮🇹 · V. Lubicz (1)🇮🇹 · V. Porretti (1)🇮🇹 · L. Silvestrini (2) ((1) Roma Tre & INFN, Roma Tre, (2) Rome "La Sapienza" & INFN, Rome)🇮🇹
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.
Comments: 4 pages, 1 figure, PoS style. Prepared for "HEP2005, Int. Europhysics Conference on High Energy Physics", Lisboa, Portugal, July 21st-27th, 2005