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Best fit predictions for flavour violating processes in MSSM constrained by unification

Record type: Article

We study the Minimal Supersymmetric Standard Model (MSSM) constrained by unification assuming mSUGRA SUSY breaking. In particular this means that the three gauge couplings are unified at a {\it per cent} level, third generation yukawa couplings are unified at a 10 $% level, and at the unification scale M_U\approx 10^{16} the SUSY breaking masses of squarks and sleptons are universal up to specific D-term contributions. At M_U we also include right-handed neutrinos that are decoupled at their three respective scales. In a top-down global analysis we then find that there are two distinct best fits, primarily distinguished by the masses of the non-Standard Model Higgs states, and compute the predictions for flavour violating processes involving both leptons and quarks. The fit with the light Higgs spectrum is especially interesting with regards to the decay B_s\to \mu^+\mu^-. We note that the latter results go beyond what is called minimal flavour violation in the MSSM.

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Citation

Blazek, T., King, S.F. and Parry, J.K (2004) Best fit predictions for flavour violating processes in MSSM constrained by unification Pre-print, pp. 1-4.

More information

Published date: 9 February 2004
Additional Information: arXiv:hep-ph/0402085v1

Identifiers

Local EPrints ID: 57093
URI: http://eprints.soton.ac.uk/id/eprint/57093
PURE UUID: bbf38d45-b18b-47b2-8ab1-9dd67c98b61b

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Date deposited: 13 Aug 2008
Last modified: 17 Jul 2017 14:29

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Contributors

Author: T. Blazek
Author: S.F. King
Author: J.K Parry

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