Inverted Sfermion Mass Hierarchy and the Higgs Boson Mass in the MSSM - INSPIRE

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Inverted Sfermion Mass Hierarchy and the Higgs Boson Mass in the MSSM

Marcin Badziak
(
- Cambridge U., DAMTP and
- Cambridge U.
)
,
Emilian Dudas
(
- Ecole Polytechnique, CPHT and
- CERN
)
,
Marek Olechowski
(
- Warsaw U.
)
,
Stefan Pokorski
(
- Warsaw U. and
- TUM-IAS, Munich
)

May, 2012

22 pages

Published in:

JHEP 07 (2012) 155

e-Print:

1205.1675 [hep-ph]

DOI:

10.1007/JHEP07(2012)155

Report number:

CAVENDISH-HEP-12-09,
DAMTP-2012-35,
CERN-PH-TH-2012-108,
CPHT-RR-017.0512

View in:

reference search37 citations

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Abstract: (arXiv)

It is shown that MSSM with first two generations of squarks and sleptons much heavier than the third one naturally predicts the maximal stop mixing as a consequence of the RG evolution, with vanishing (or small) trilinear coupling at the high scale. The Higgs boson is generically heavy, in the vicinity of 125 GeV. In this inverted hierarchy scenario, motivated by the supersymmetric FCNC problem and models for fermion masses based on horizontal symmetries, the mass of the lightest stop is O(0.5) TeV and of gluino - O(2-3) TeV. The LSP can be either higgsino or bino or a mixture of both and it can be a good dark matter candidate.

Note:

22 pages, 8 figures, comments and references added

Higgs particle: mass
sfermion: mass: hierarchy
squark: mass: hierarchy
neutral current: flavor changing
minimal supersymmetric standard model
renormalization group
horizontal symmetry
stop: mixing
LSP
dark matter

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Figures(11)

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