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Low Energy Probes of PeV Scale Sfermions | | Wolfgang Altmannshofer
; Roni Harnik
; Jure Zupan
; | | Date: |
16 Aug 2013 | | Abstract: | We derive bounds on squark and slepton masses in mini-split supersymmetry
scenario using low energy experiments. In this setup gauginos are at the TeV
scale, while sfermions are heavier by a loop factor. We cover the most
sensitive low energy probes including electric dipole moments (EDMs), meson
oscillations and charged lepton flavor violation (LFV) transitions. A leading
log resummation of the large logs of gluino to sfermion mass ratio is
performed. A sensitivity to PeV squark masses is obtained at present from kaon
mixing measurements. A number of observables, including neutron EDMs, mu->e
transitions and charmed meson mixing, will start probing sfermion masses in the
100 TeV-1000 TeV range with the projected improvements in the experimental
sensitivities. We also discuss the implications of our results for a variety of
models that address the flavor hierarchy of quarks and leptons. We find that
EDM searches will be a robust probe of models in which fermion masses are
generated radiatively, while LFV searches remain sensitive to simple-texture
based flavor models. | | Source: | arXiv, 1308.3653 | | Services: | Forum | Review | PDF | Favorites | |
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