scholarly journals Heavy squarks and light sleptons in gauge mediation. From the viewpoint of 125 GeV Higgs boson and muon g − 2

2013 ◽  
Vol 2013 (3) ◽  
Author(s):  
Masahiro Ibe ◽  
Shigeki Matsumoto ◽  
Tsutomu T. Yanagida ◽  
Norimi Yokozaki
Keyword(s):  
Higgs Boson ◽  
Gauge Mediation

scholarly journals A 125 GeV Higgs boson and muong−2in more generic gauge mediation

2012 ◽  
Vol 85 (9) ◽  
Author(s):  
Jason L. Evans ◽  
Masahiro Ibe ◽  
Satoshi Shirai ◽  
Tsutomu T. Yanagida
Keyword(s):  
Higgs Boson ◽  
Gauge Mediation

scholarly journals Higgs boson mass in low scale gauge mediation models

2012 ◽  
Vol 2012 (10) ◽  
Author(s):  
Tsutomu T. Yanagida ◽  
Norimi Yokozaki ◽  
Kazuya Yonekura
Keyword(s):  
Higgs Boson ◽  
Boson Mass ◽  
Higgs Boson Mass ◽  
Gauge Mediation ◽  
Mediation Models

scholarly journals Higgs boson decays to neutralinos in low-scale gauge mediation

2009 ◽  
Vol 80 (11) ◽  
Author(s):  
John D. Mason ◽  
David E. Morrissey ◽  
David Poland
Keyword(s):  
Higgs Boson ◽  
Gauge Mediation

scholarly journals Enhanced diphoton signal of the Higgs boson and the muon g−2 in gauge mediation models

2012 ◽  
Vol 716 (3-5) ◽  
pp. 441-445 ◽  
Author(s):  
Ryosuke Sato ◽  
Kohsaku Tobioka ◽  
Norimi Yokozaki
Keyword(s):  
Higgs Boson ◽  
Gauge Mediation ◽  
Mediation Models

scholarly journals The upper bound of the second Higgs boson mass in minimal gauge mediation with the gravitino warm dark matter

2021 ◽  
Vol 2021 (4) ◽  
Author(s):  
Gong jun Choi ◽  
Tsutomu T. Yanagida ◽  
Norimi Yokozaki
Keyword(s):  
Dark Matter ◽  
Higgs Boson ◽  
Upper Bound ◽  
Hadron Collider ◽  
Susy Breaking ◽  
Boson Mass ◽  
Small Scale ◽  
Gauge Mediation ◽  
Gravitino Mass ◽  
The Masses

Abstract A keV-scale gravitino arising from a minimal supersymmetric (SUSY) Standard Model (MSSM) is an interesting possibility since the small scale problems that the ΛCDM model encounters in the modern cosmology could be alleviated with the keV-scale gravitino serving as the warm dark matter (WDM). Such a light gravitino asks for a low scale supersymmetry (SUSY) breaking for which the gauge mediation (GM) is required as a consistent SUSY-breaking mediation mechanism. In this paper, we show upper bounds of the masses of the second CP-even Higgs boson H and the CP-odd Higgs boson A, assuming the keV-scale gravitino to be responsible for the current DM relic abundance: the upper bound on the mass of H/A is found to be ∼ 4 TeV for the gravitino mass of $$ \mathcal{O}\left(10-100\right) $$ O 10 − 100 keV. Interestingly, the mass of H/A can be as small as 2–3 TeV and the predicted tan β is as large as 55–60 for the gravitino mass of $$ \mathcal{O}(10) $$ O 10 keV. This will be tested in the near future Large Hadron Collider (LHC) experiments.

scholarly journals Muon g − 2 in gauge mediation without SUSY CP problem

2021 ◽  
Vol 2021 (7) ◽  
Author(s):  
Masahiro Ibe ◽  
Shin Kobayashi ◽  
Yuhei Nakayama ◽  
Satoshi Shirai
Keyword(s):  
Higgs Boson ◽  
Magnetic Moment ◽  
Anomalous Magnetic Moment ◽  
Neutral Current ◽  
Boson Mass ◽  
Higgs Boson Mass ◽  
Gauge Mediation ◽  
Muon Anomalous Magnetic Moment ◽  
Mediation Effects ◽  
Successful Model

Abstract We discuss gauge mediated supersymmetry breaking models which explain the observed muon anomalous magnetic moment and the Higgs boson mass simultaneously. The successful explanation requires the messenger sector which violates the relation motivated by the grand unification theory (GUT). The naive violation of the GUT relation, however, ends up with the CP problem. We propose a model in which the phases of the gaugino masses are aligned despite the violation of the GUT relation. We also consider a model which generates the μ-term and the additional Higgs soft masses squared without causing CP violation. As a result, we find a successful model which explains the muon anomalous magnetic moment and the Higgs boson mass. The model is also free from the CP, flavor-changing neutral current and the lepton flavor violation problems caused by the subdominant gravity mediation effects. The lightest supersymmetric particles are gravitino/goldstini and the next-to-lightest ones are the Wino/Higgsinos in the typical parameter space. We also study the LHC constraints.

scholarly journals Heavy standard model-like Higgs boson and a light stop from Yukawa-deflected gauge mediation

2012 ◽  
Vol 86 (9) ◽  
Author(s):  
Zhaofeng Kang ◽  
Tianjun Li ◽  
Tao Liu ◽  
Chunli Tong ◽  
Jin Min Yang
Keyword(s):  
Higgs Boson ◽  
Standard Model ◽  
Gauge Mediation ◽  
Light Stop
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