Non-degenerate squarks from flavored gauge mediation

被引:0
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作者
Iftah Galon
Gilad Perez
Yael Shadmi
机构
[1] Israel Institute of Technology,Physics Department, Technion
[2] CERN Theory Division,undefined
[3] Department of Particle Physics and Astrophysics,undefined
[4] and Weizmann Institute of Science,undefined
来源
Journal of High Energy Physics | / 2013卷
关键词
Supersymmetry Phenomenology;
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摘要
We study the squark spectra of Flavored Gauge Mediation Models, in which messenger-matter uperpotential couplings generate new, generation-dependent contributions to the squark masses. The new couplings are controlled by the same flavor symmetry that explains the fermion masses, leading to excellent alignment of the quark and squark mass matrices. This allows for large squark mass splittings consistent with all flavor bounds. In particular, second-generation squarks are often significantly lighter than the first-generation squarks. As squark production at the LHC is dominated by the up- and down-squarks and the efficiencies for squark searches increase with their masses, the charm and/or strange squark masses can be well below the current LHC bounds. At the same time, even with a single set of messengers, the models can generate large stop mixings which result in large loop contributions to the Higgs mass.
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