Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-12-13
Rev. Mex. Fis. 55:270-281,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
23 pages, 10 figures
Scientific paper
We study the SUSY flavor problem in the MSSM, we are namely interested in estimating the size of the SUSY flavor problem and its dependence on the MSSM parameters. For that, we made a numerical analysis randomly generating the entries of the sfermion mass matrices and then determinated which percentage of the points are consistent with current bounds on the flavor violating transitions on lepton flavor violating (LFV) decays $l_i \to l_j \gamma$. We applied two methods, mass-insertion approximation method (MIAM) and full diagonalization method (FDM). Furthermore, we determined which fermion masses could be radiatively generated (through gaugino-sfermion loops) in a natural way, using those random sfermion matrices. In general, the electron mass generation can be done with 30% of points for large $\tan\beta$, in both schemes the muon mass can be generated by 40% of points only when the most precise sfermion splitting (from the FDM) is taken into account.
Diaz-Cruz Lorenzo J.
Felix-Beltran Olga
Gomez-Bock M.
Noriega-Papaqui R.
Rosado A.
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