A singlet extension of the MSSM with a dark matter portal

Puente, Alejandro de la; Tangarife, Walter

doi:10.1007/jhep07(2014)087

Cited by 2 publications

(1 citation statement)

References 65 publications

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“…These generate the required A-terms for the stop sector, though some of them could suffer from other problems like A t /m 2 problem [19]. In the second category several strategies are proposed, for example, U (1) gauge group extension [32], NMSSM and/or vector matter [19,[33][34][35][36][37][38][39][40][41][42][43][44][45][46], SO(10) D terms [47] to name a few. Another way is to have an additional source of supersymmetry breaking, preferably mediated by gravitational interactions, such that it dominantly generates A t and other related soft terms [48].…”

Section: Contentsmentioning

confidence: 99%

Higgs mass from neutrino-messenger mixing

Byakti

Khosa

Mummidi

et al. 2017

J. High Energ. Phys.

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The discovery of the Higgs particle at 125 GeV has put strong constraints on minimal messenger models of gauge mediation, pushing the stop masses into the multi-TeV regime. Extensions of these models with matter-messenger mixing terms have been proposed to generate a large trilinear parameter, A t , relaxing these constraints. The detailed survey of these models [1, 2] so far considered messenger mixings with only MSSM superfields. In the present work, we extend the survey to MSSM with inverse-seesaw mechanism. The neutrino-sneutrino corrections to the Higgs mass in the inverse seesaw model are not significant in the minimal gauge mediation model, unless one considers messenger-matter interaction terms. We classify all possible models with messenger-matter interactions and perform thorough numerical analysis to find out the promising models. We found that out of the 17 possible models 9 of them can lead to Higgs mass within the observed value without raising the sfermion masses significantly. The successful models have stop masses ∼1.5 TeV with small or negligible mixing and yet a light CP even Higgs at 125 GeV.

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Section: Contentsmentioning

confidence: 99%

Higgs mass from neutrino-messenger mixing

Byakti

Khosa

Mummidi

et al. 2017

J. High Energ. Phys.

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Towards the final word on neutralino dark matter

et al. 2016

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We present a complete phenomenological prospectus for thermal relic neutralinos. Including Sommerfeld enhancements to relic abundance and halo annihilation calculations, we obtain direct, indirect, and collider discovery prospects for all neutralinos with mass parameters M 1 , M 2 , |µ| < 4 TeV, that freeze out to the observed dark matter abundance, with scalar superpartners decoupled. Much of the relic neutralino sector will be uncovered by the direct detection experiments Xenon1T and LZ, as well as indirect detection with CTA. We emphasize that thermal relic higgsinos will be found by next-generation direct detection experiments, so long as M 1,2 < 4 TeV. Charged tracks at a 100 TeV hadron collider complement indirect searches for relic winos. Thermal relic bino-winos still evade all planned experiments, including disappearing charged-track searches. However, they can be discovered by compressed electroweakino searches at a 100 TeV collider, completing the full coverage of the relic neutralino surface.2

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A singlet extension of the MSSM with a dark matter portal

Cited by 2 publications

References 65 publications

Higgs mass from neutrino-messenger mixing

Higgs mass from neutrino-messenger mixing

Towards the final word on neutralino dark matter

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