Model characterization and dark matter in the secluded 
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Hiçyılmaz, Yaşar; Selbuz, Levent; Solmaz, Levent; Ün, Cem Salih

doi:10.1103/physrevd.105.055029

Cited by 4 publications

(3 citation statements)

References 128 publications

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“…225 GeV and m A 2 300 GeV [62]. Even though these scalars are mostly singlets, their presence in the spectrum can mimic through their mixing with the MSSM Higgs fields.…”

Section: The Higgs Bosons In Secluded Umssmmentioning

confidence: 99%

“…Indeed, the anomaly cancellation can be satisfied with different charge assignments. Table 1 exemplifies some sets of possible charge assignments which are also of interest from phenomenology point of view [62].…”

Section: Model Descriptionmentioning

confidence: 99%

“…However, the models in the UMSSM class are not limited to be a combination of these two groups, and different charge assignments can be found as solutions of the anomaly cancellations [12,54,[59][60][61]. A recent study [62] (one of ours) has considered such a model which is constrained from M GUT by imposing the universal soft supersymmetry breaking (SSB) masses for both the scalars and gauginos. The MSSM fields are assigned to familyindependent U (1) charges.…”

Section: Introductionmentioning

confidence: 99%

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Mono-Photon Events with Light Higgs bosons in Secluded UMSSM

Hiçyılmaz¹,

Selbuz²,

Ün³

2023

Preprint

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We explore the Higgs boson implications of a class of supersymmetric models, which extends the MSSM gauge group by a U (1) symmetry, which is broken at low energy scales by VEVs of four MSSM singlet fields. These singlets also form a secluded sector, and one of them is allowed to interact with the MSSM Higgs fields directly. After the U (1) and electroweak symmetry breaking, the low scale spectra include six CP-even and 4 CP-odd Higgs bosons, whose masses can lie from 80 GeV to 2-3 TeV. We find that the heavy CP-even Higgs bosons can be probed through their decays into a pair of SM gauge bosons currently up to about m h i 1.5 TeV, while their probe can be extended to about m h i 2.5 TeV in near future. The most interesting feature of the low scale spectra in the class of Secluded U (1) models is to include two light CP-odd Higgs bosons whose masses are bounded at about 250 GeV by the current collider and DM experiments, when the LSP neutralino is mostly formed by the MSSM singlets. These light CP-odd Higgs bosons should be formed by the MSSM singlet scalars to be consistent with the current constraints. Despite their singlet nature, they can be traced through their associated production with photons. In our work, we consider their productions at the collider experiments together with photons, and we realize that these light Higgs bosons can potentially be probed during Run-3 experiments of LHC when they are lighter than about 100 GeV. We also show that Run-4 and HL-LHC experiments will be able to probe these light scalars up to about 250 GeV.

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“…225 GeV and m A 2 300 GeV [62]. Even though these scalars are mostly singlets, their presence in the spectrum can mimic through their mixing with the MSSM Higgs fields.…”

Section: The Higgs Bosons In Secluded Umssmmentioning

confidence: 99%

Section: Model Descriptionmentioning

confidence: 99%