Inverted sfermion mass hierarchy and the Higgs boson mass in the MSSM

被引：33
作者：
Badziak, Marcin [1 ,2 ]
Dudas, Emilian [3 ,4 ]
Olechowski, Marek [5 ]
Pokorski, Stefan [5 ,6 ]
机构：
[1] Univ Cambridge, Dept Appl Math & Theoret Phys, Ctr Math Sci, Cambridge CB3 0WA, England
[2] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[3] Ecole Polytech, CPhT, F-91128 Palaiseau, France
[4] CERN, Div Theory, Dept Phys, CH-1211 Geneva 23, Switzerland
[5] Univ Warsaw, Inst Theoret Phys, Fac Phys, PL-00681 Warsaw, Poland
[6] Tech Univ Munich, IAS, D-85748 Garching, Germany
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2012年 / 07期
关键词：
Supersymmetry Phenomenology; ELECTROWEAK SYMMETRY-BREAKING; 2-LOOP CORRECTIONS; FLAVOR SYMMETRIES; ANOMALOUS U(1); MODEL; PROGRAM; SEARCH;
D O I：
10.1007/JHEP07(2012)155
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
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 125GeV. 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.
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页数：25
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