Best fit predictions for flavour violating processes in MSSM constrained by unification
Blazek, T., King, S.F. and Parry, J.K (2004) Best fit predictions for flavour violating processes in MSSM constrained by unification. Pre-print, 1-4. (arXiv:hep-ph/0402085v1).
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Description/Abstract
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.
| Item Type: | Article |
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| Related URLs: | |
| Subjects: | Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > School of Physics and Astronomy |
| Item ID: | 57093 |
| Date Deposited: | 13 Aug 2008 |
| Last Modified: | 02 Mar 2012 12:12 |
| Contributors: | Blazek, T. (Author) King, S.F. (Author) Parry, J.K (Author) |
| Date: | 9 February 2004 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/57093 |
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