General gauge mediation with gauge messengers

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.

Section: Jhep08(2014)016mentioning

confidence: 85%

OPE methods for the holomorphic Higgs portal

Kumar

Poland

et al. 2014

“…The gauge symmetry SU(4) × SU(2) R and SUSY are broken at the same time. That can be also realization of gauge messenger models, which can lead a specific spectrum of superpartners [21][22][23]. Similarly, we see that our SUSY breaking scenario can be applied to the SU(5) GUT and compare the result with the one in the Pati-Salam model.…”

Section: Jhep11(2017)073mentioning

confidence: 52%

“…As discussed in ref. [22], there are one-loop corrections to the scalar masses squared in this kind of supersymmetric model. In our model, φ ± and their F-terms also develop non-vanishing VEVs, and the …”

Section: Jhep11(2017)073mentioning

confidence: 90%

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Realization of a spontaneous gauge and supersymmetry breaking vacuum

Kobayashi

Omura

Seto

et al. 2017

It is one of the major issues to realize a vacuum which breaks supersymmetry (SUSY) and R-symmetry, in a supersymmetric model. We study the model, where the same sector breaks the gauge symmetry and SUSY. In general, the SUSY breaking model without gauge symmetry has a flat direction at the minimum of F-term scalar potential. When we introduce U(1) gauge symmetry to such a SUSY breaking model, there can appear a runaway direction. Such a runway direction can be lifted by loop effects, and the gauge symmetry breaking and SUSY breaking are realized. The R-symmetry, that is assigned to break SUSY, is also spontaneously broken at the vacuum. This scenario can be extended to non-Abelian gauge theories. We also discuss application to the Pati-Salam model and the SU(5) grand unified theory. We see that non-vanishing gaugino masses are radiatively generated by the R-symmetry breaking and the gauge messenger contribution.

“…In principle, the masses of the gauginos and the scalars are completely independent in these models, and needn't follow any standard pattern. This incarnation of General Gauge mediation may be even further generalized, allowing different operators which allow for modified sum rules and possibly adding even more parameters in the spectra, for example A terms [5].…”

Section: Jhep10(2017)205mentioning

confidence: 99%

Antisplit Supersymmetry

Carpenter

2017

I explore the phenomenology of Supersymmetry models in which the gauginos are much heavier then that scalar particles of the MSSM. In these models, the gauginos are inaccessible to colliders while the scalar spectrum is compressed. I give several examples of models which exhibit this phenomenology built in the class of General Gauge Mediated Models. I explore possible LSP and NLSP candidates in these scenarios including Higgsino, stau, and sneutrino candidates. Collider signatures for these models include multi-particle decay chains, many taus in the final state, and possible displaced vertices with semi-long lived sparticles. I enumerate the most likely collider smoking gun collider signatures for each general LSP/NLSP scenario.