Lopsided gauge mediation

Simone, Andrea De; Franceschini, Roberto; Giudice, Gian F.; Pappadopulo, Duccio; Rattazzi, Riccardo

doi:10.1007/jhep05(2011)112

Cited by 28 publications

(57 citation statements)

References 61 publications

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“…Another mechanism for obtaining viable electroweak symmetry breaking is via what is known as "lopsided" gauge mediation [43]. In this class of models, viable EWSB is possible even with B µ µ 2 as long as one also has m 2…”

Section: Ewsb With "Lopsided" Gauge Mediationmentioning

confidence: 99%

OPE methods for the holomorphic Higgs portal

Kumar

Poland

et al. 2014

J. High Energ. Phys.

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We develop a systematic and general approach to study the effective Higgs Lagrangian in a supersymmetric framework in which the Higgs fields in the visible sector couple weakly to another sector. The extra sector may be strongly coupled in general. It is assumed to be superconformal in the ultraviolet, but develop a mass-gap with supersymmetry breaking in the infrared. The main technique used in our approach is that of the operator product expansion (OPE). By using OPE methods we are able to compute the parameters in the Higgs Lagrangian to quadratic order and make general statements that are applicable to many classes of models. Not only does this approach allow us to understand the traditional problems plaguing simple models from a different perspective, it also reveals new possibilities for solutions of these problems. The methods and results of our work should be useful in constructing a viable and natural model of physics beyond the Standard Model.

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Section: Ewsb With "Lopsided" Gauge Mediationmentioning

confidence: 99%

OPE methods for the holomorphic Higgs portal

Kumar

Poland

et al. 2014

J. High Energ. Phys.

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“…Actually, it is model-dependent [16] and usually vanishes at the leading order of SUSY-breaking, say suppressed by F 2 /M 4 [14]. In the following discussions we will ignore such a contribution.…”

Section: Basic Features Of the Soft Spectrum In The Ygmsbmentioning

confidence: 99%

“…Actually, the Higgs-messenger couplings have been studied in the early days of the GMSB [14] and more recently are studied for various purposes, e.g., dynamically solving the µ/Bµ−problem [15,16], making the next-to-minimal supersymmetric model (NMSSM) with GMSB viable [17], breaking a dark U(1) X gauge symmetry [19] or generating the seesaw scale in neutrino physics [18]. In this work we will first investigate some general features of the YGMSB and then focus on the models with Higgs-messenger coupling, where the MFV is automatically maintained.…”

Section: Introductionmentioning

confidence: 99%

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

Kang

Liu

et al. 2012

Phys. Rev. D

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To obtain a SM-like Higgs boson around 125 GeV in the Minimal Supersymmetric Standard Model with minimal gauge mediation of supersymmetry breaking (GMSB), a heavy stop at multiTeV level is needed and incurs severe fine-tuning, which can be ameliorated in the framework of the deformed GMSB with visible-hidden direct Yukawa interactions (YGMSB). We examine some general features of the YGMSB and focus on the scenario with Higgs-messenger couplings (H−YGMSB) which can automatically maintain the minimal flavor violation (MFV). It turns out that such a Yukawa mediation scenario can give a large −A t and −m 2 t L,R , leading to a maximal stop mixing, and thus can readily give a light stop (t 1 ) below the TeV scale. However, we find that in the minimal H−YGMSB scenario, m 2 Hu is too large and then the electroweak symmetry breaking is inconsistent with the large stop mixing. To solve this problem, we modify the hidden sectors in two ways, adding a new strong gauge dynamics or introducing the (10, 10) messengers.For each case we present some numerical study.

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“…In order to explain the generation of the µ/B µ terms in gauge mediation we should admit direct couplings with hidden sector operators, as in the superpotential [45,46], which lead at one-loop to the masses …”

Section: Gauge Mediationmentioning

confidence: 99%

General focus point in the MSSM

Delgado

Quirós

Wagner

2014

J. High Energ. Phys.

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Abstract:The minimal supersymmetric extension of the Standard Model (SM) is a well motivated scenario for physics beyond the SM, which allows a perturbative description of the theory up to scales of the order of the Grand Unification scale, where gauge couplings unify. The Higgs mass parameter is insensitive to the ultraviolet physics and is only sensitive to the scale of soft supersymmetry breaking parameters. Present collider bounds suggest that the characteristic values of these parameters may be significantly larger than the weak scale. Large values of the soft breaking parameters, however, induce large radiative corrections to the Higgs mass parameter and therefore the proper electroweak scale may only be obtained by a fine tuned cancellation between the square of the holomorphic µ parameter and the Higgs supersymmetry breaking square mass parameter. This can only be avoided if there is a correlation between the scalar and gaugino mass parameters, such that the Higgs supersymmetry breaking parameter remains of the order of the weak scale. The scale at which this happens is dubbed as focus point. In this article, we define the general conditions required for this to happen, for different values of the messenger scale at which supersymmetry breaking is transmitted to the observable sector, and for arbitrary boundary conditions of the sfermion, gaugino, and Higgs mass parameters. Specific supersymmetry breaking scenarios in which these correlations may occur are also discussed.

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Lopsided gauge mediation

Cited by 28 publications

References 61 publications

OPE methods for the holomorphic Higgs portal

OPE methods for the holomorphic Higgs portal

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

General focus point in the MSSM

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