Dark matter candidates in the NMSSM with RH neutrino superfields

López-Fogliani, Daniel E.; Pérez, Andrés D.; Austri, Roberto Ruiz de

doi:10.1088/1475-7516/2021/04/067

Cited by 7 publications

(18 citation statements)

References 126 publications

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“…As was discussing in [36], considering only one family of neutrinos the mixing angle between LH and RH sneutrinos, θ ν , for typical parameter values,…”

Section: Sneutrino Sectormentioning

confidence: 98%

“…In this work we follow the analysis done in [36]. The two candidates for DM in this context are the neutralino and the RH sneutrino.…”

Section: Brief Description Of the Modelmentioning

confidence: 99%

“…The two candidates for DM in this context are the neutralino and the RH sneutrino. The relevant annihilation channels involved to achieve the correct amount of RH sneutrino relic density and the spin-independent sneutrino-nucleon scattering cross section were discussed in [36] and references therein.…”

Section: Brief Description Of the Modelmentioning

confidence: 99%

“…where As was done in [36] in this work we take all sfermion soft masses diagonal, m 2 ij = m 2 ii = m 2 i and vanishing otherwise, were summation of repeated index convention was not used. Regarding the Yukawa and trilinear couplings, only the third generation of sfermions are non-zero, T ij = A ij Y ij , without the summation convention, except in the neutrino case where Y ij N and A ij N are taken diagonal.…”

Section: Brief Description Of the Modelmentioning

confidence: 99%

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The new $(g-2)_μ$ and Right-Handed Sneutrino Dark Matter

Kim,

Lopez-Fogliani,

Perez

et al. 2021

Preprint

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In this paper we offer an explanation of the (g − 2) µ discrepancy in a R-parity conserving supersymmetric model with right-handed neutrinos in which the righthanded sneutrino is a viable dark matter candidate. We find that our scenario satisfies all up to date constraints including the latest results on (g − 2) µ . Since right-handed sneutrinos are singlets, no new contributions for δa µ with respect to the next to minimal supersymmetric Standard Model are present. However, the possibility to have the right-handed sneutrino as the lightest supersymmetric particle opens new ways to escape Large Hadron Collider and dark matter constraints. We find that dark matter masses within 10 m νR 600 GeV are fully compatible with current experimental constraints. In addition, future dark matter direct detection experiments will be able to explore a sizable portion of the allowed parameter space with m νR 300 GeV, while indirect detection experiments will be able to probe a much smaller fraction within 200 m νR 350 GeV.

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“…As was discussing in [36], considering only one family of neutrinos the mixing angle between LH and RH sneutrinos, θ ν , for typical parameter values,…”

Section: Sneutrino Sectormentioning

confidence: 98%

“…In this work we follow the analysis done in [36]. The two candidates for DM in this context are the neutralino and the RH sneutrino.…”

Section: Brief Description Of the Modelmentioning

confidence: 99%

Section: Brief Description Of the Modelmentioning

confidence: 99%

Section: Brief Description Of the Modelmentioning

confidence: 99%

See 2 more Smart Citations

The new $(g-2)_μ$ and Right-Handed Sneutrino Dark Matter

Kim,

Lopez-Fogliani,

Perez

et al. 2021

Preprint

Self Cite

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“…In general the spin-independent direct detection cross sections are about one order of magnitude below the current experimental limit. Both constraints from the relic density and direct detection have been studied in the literature, most recently in [43,44].…”

Section: Right-handed Sneutrino As a Dark Matter Candidatementioning

confidence: 99%

Measuring neutrino dynamics in NMSSM with a right-handed sneutrino LSP at the ILC

Liu

Moretti

Waltari

2022

J. High Energ. Phys.

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We study the possibility of measuring neutrino Yukawa couplings in the Next-to-Minimal Supersymmetric Standard Model with right-handed neutrinos (NMSSMr) when the lightest right-handed sneutrino is the Dark Matter (DM) candidate, by exploiting a ‘dijet + dilepton + Missing Transverse Energy’ (MET or "Image missing") signature. We show that, contrary to the miminal realisation of Supersymmetry (SUSY), the MSSM, wherein the DM candidate is typically a much heavier (fermionic) neutralino state, this extended model of SUSY offers one with a much lighter (bosonic) state as DM that can then be produced at the next generation of e+e− colliders with energies up to 500 GeV or so. The ensuing signal, energing from chargino pair production and subsequent decay, is extremely pure so it also affords one with the possibility of extracting the Yukawa parameters of the (s)neutrino sector. Altogether, our results serve the purpose of motivating searches for light DM signals at such machines, where the DM candidate can have a mass around the Electro-Weak (EW) scale.

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