scholarly journals A 125 GeV Higgs boson mass and gravitino dark matter in R-invariant direct gauge mediation

2012 ◽  
Vol 717 (1-3) ◽  
pp. 197-201 ◽  
Author(s):  
Masahiro Ibe ◽  
Ryosuke Sato
Keyword(s):  
Dark Matter ◽  
Higgs Boson ◽  
Boson Mass ◽  
Higgs Boson Mass ◽  
Gauge Mediation

scholarly journals Gravitino dark matter with constraints from Higgs boson mass and sneutrino decays

2013 ◽  
Vol 2013 (3) ◽  
Author(s):  
Leszek Roszkowski ◽  
Sebastian Trojanowski ◽  
Krzysztof Turzyński ◽  
Karsten Jedamzik
Keyword(s):  
Dark Matter ◽  
Higgs Boson ◽  
Boson Mass ◽  
Higgs Boson Mass

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 High energy physics and cosmology at the unification frontier: Opportunities and challenges in the coming years

2018 ◽  
Vol 33 (20) ◽  
pp. 1830017 ◽  
Author(s):  
Pran Nath
Keyword(s):  
Dark Matter ◽  
Dark Energy ◽  
Higgs Boson ◽  
Standard Model ◽  
Particle Physics ◽  
High Energy Physics ◽  
High Energy ◽  
Boson Mass ◽  
Higgs Boson Mass ◽  
Energy Physics

We give here an overview of recent developments in high energy physics and cosmology and their interconnections that relate to unification, and discuss prospects for the future. Thus there are currently three empirical data that point to supersymmetry as an underlying symmetry of particle physics: the unification of gauge couplings within supersymmetry, the fact that nature respects the supersymmetry prediction that the Higgs boson mass lie below 130 GeV, and vacuum stability up to the Planck scale with a Higgs boson mass at [Formula: see text][Formula: see text]125 GeV while the Standard Model does not do that. Coupled with the fact that supersymmetry solves the big hierarchy problem related to the quadratic divergence to the Higgs boson mass square along with the fact that there is no alternative paradigm that allows us to extrapolate physics from the electroweak scale to the grand unification scale consistent with experiment, supersymmetry remains a compelling framework for new physics beyond the Standard Model. The large loop correction to the Higgs boson mass in supersymmetry to lift the tree mass to the experimentally observable value, indicates a larger value of the scale of weak scale supersymmetry, making the observation of sparticles more challenging but still within reach at the LHC for the lightest ones. Recent analyses show that a high energy LHC (HE-LHC) operating at 27 TeV running at its optimal luminosity of [Formula: see text] can reduce the discovery period by several years relative to HL-LHC and significantly extend the reach in parameter space of models. In the coming years several experiments related to neutrino physics, searches for supersymmetry, on dark matter and dark energy will have direct impact on the unification frontier. Thus the discovery of sparticles will establish supersymmetry as a fundamental symmetry of nature and also lend direct support for strings. Further, discovery of sparticles associated with missing energy will constitute discovery of dark matter with LSP being the dark matter. On the cosmology front more accurate measurement of the equation of state, i.e. [Formula: see text], will shed light on the nature of dark energy. Specifically, [Formula: see text] will likely indicate the existence of a dynamical field, possibly quintessence, responsible for dark energy and [Formula: see text] would indicate an entirely new sector of physics. Further, more precise measurements of the ratio [Formula: see text] of tensor to scalar power spectrum, of the scalar and tensor spectral indices [Formula: see text] and [Formula: see text] and of non-Gaussianity will hopefully allow us to realize a Standard Model of inflation. These results will be a guide to further model building that incorporates unification of particle physics and cosmology.

scholarly journals Supersymmetric unparticle effects on Higgs boson mass and dark matter

2007 ◽  
Vol 656 (1-3) ◽  
pp. 91-95 ◽  
Author(s):  
N.G. Deshpande ◽  
Xiao-Gang He ◽  
Jing Jiang
Keyword(s):  
Dark Matter ◽  
Higgs Boson ◽  
Boson Mass ◽  
Higgs Boson Mass

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 Gravitino Dark Matter with Constraints from Higgs Boson Mass and Sneutrino Decays

2013 ◽  
Vol 44 (11) ◽  
pp. 2367
Author(s):  
L. Roszkowski ◽  
S. Trojanowski ◽  
K. Turzyński ◽  
K. Jedamzik
Keyword(s):  
Dark Matter ◽  
Higgs Boson ◽  
Boson Mass ◽  
Higgs Boson Mass
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