Light dark matter, rare 
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 decays with missing energy in 
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 model with a scalar leptoquark

Singirala, Shivaramakrishna; Sahoo, S.; Mohanta, Rukmani

doi:10.1103/physrevd.105.015033

Cited by 14 publications

(8 citation statements)

References 146 publications

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“…In complete visible sector models, all scattering cross sections with the SM particles can be computed exactly, and cosmological and experimental limits applied to them. Some examples of this type are NMSSM models of [29] and [30], the Phenomenological Minimal Supersymmetric Models (pMSSM) of [35] and [36], the multiple scalar doublet models of [31] and [37], the U (1) Lµ−Lτ gauge SM extension model of [40], the stable neutral heavy Dirac fermion dark matter (RHN model) in [41], and the pseudo-Goldstone Boson dark matter model of [32], in which the dark matter consists WIMPs of mass in the GeV to 1.5 TeV range with Spin Independent (SI) or Spin Dependent (SD) scattering cross sections off of nuclei. In some visible sector models detailed predictions of the cross section of scattering of the dark matter off nuclei were made while remaining agnostic about how Figure 5: Plots of dark matter-proton cross section σ SI times dark matter fraction f DM versus particle mass M DM for SI scattering cross sections off nuclei.…”

Section: Snowmass2021 Cosmic Frontier Dark Matter Direct Detection To...mentioning

confidence: 99%

“…7 we reproduce some of the predictions for SD scattering cross sections (in plots of dark matter-proton cross section versus dark matter mass) for the visible sector models Snowmass2021 Cosmic Frontier Dark Matter Direct Detection to the Neutrino Fog of Refs. [29,30,35,40,41].…”

Section: Snowmass2021 Cosmic Frontier Dark Matter Direct Detection To...mentioning

confidence: 99%

“…Simplified models are defined by a small number of new particles and their interactions, often restricted to a single interaction channel with the SM that is assumed to dominate, while remaining agnostic about others that would be likely to appear in a more complete Figure 7: Plots of dark matter-proton cross section σ SD times dark matter fraction f DM versus particle mass M DM for SD scattering cross sections off nuclei. Examples of predicted regions in several visible sector models are reproduced: the NMSSM models of [29] ("NMSSM-1", in orange) and of [30] ("NMSSM-2", in yellow), the pMSSM model of [35] ("pMSSM", in purple), the U (1) Lµ−Lτ gauge SM extension model of [40] ("L µ − L τ ", in pink), the heavy Dirac fermion model in [41] ("RHN", in brown). The gray region is excluded by existing direct detection limits and the blue line indicates the neutrino fog level in for C 3 F 8 [26].…”

Section: Snowmass2021 Cosmic Frontier Dark Matter Direct Detection To...mentioning

confidence: 99%

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Snowmass2021 Cosmic Frontier Dark Matter Direct Detection to the Neutrino Fog

Akerib¹,

Cushman²,

Dahl³

et al. 2022

Preprint

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We present a summary of future prospects for direct detection of dark matter within the GeV/c 2 to TeV/c 2 mass range. This is paired with a new definition of the neutrino fog in order to better quantify the rate of diminishing returns on sensitivity due to irreducible neutrino backgrounds. A survey of dark matter candidates predicted to fall within this mass range demonstrates that fully testing multiple well-motivated theories will require expanding the currently-funded generation of experiments down to and past the neutrino fog. We end with the status and plans for next-generation experiments and novel R&D concepts which will get us there.

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Section: Snowmass2021 Cosmic Frontier Dark Matter Direct Detection To...mentioning

confidence: 99%

Section: Snowmass2021 Cosmic Frontier Dark Matter Direct Detection To...mentioning

confidence: 99%

Section: Snowmass2021 Cosmic Frontier Dark Matter Direct Detection To...mentioning

confidence: 99%

See 1 more Smart Citation

Snowmass2021 Cosmic Frontier Dark Matter Direct Detection to the Neutrino Fog

Akerib¹,

Cushman²,

Dahl³

et al. 2022

Preprint

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show abstract

“…Interestingly, scalar leptoquark solutions to the above anomalies still persist after the recent LHCb update, as shown for instance in refs. [27][28][29][30][31][32].…”

Section: Lq Lqmentioning

confidence: 99%

Scalar leptoquark pair production at the LHC: precision predictions in the era of flavour anomalies

Borschensky,

Fuks,

Kulesza

et al. 2021

Preprint

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We comprehensively examine precision predictions for scalar leptoquark pair production at the LHC. In particular, we investigate the impact of lepton t-channel exchange diagrams that are potentially relevant in the context of leptoquark scenarios providing an explanation for the flavour anomalies. We also evaluate the corresponding total rates at the next-to-leading order in QCD. Moreover, we complement this calculation with the resummation of soft-gluon radiation at the next-to-next-to-leading logarithmic accuracy, hence providing the most precise predictions for leptoquark pair production at the LHC to date. Relying on a variety of benchmark scenarios favoured by the anomalies, our results exhibit an interesting interplay between the t-channel diagram contributions, the flavour texture satisfied by the leptoquark Yukawa couplings, the leptoquark masses and their representations under the Standard Model gauge group, as well as the chosen set of parton densities used for the numerical evaluations. The net effect on a cross section turns out to be very non-generic and ranges up to about 60% with respect to the usual nextto-leading-order predictions in QCD (i.e. without any t-channel contribution) for some scenarios considered. Dedicated calculations are thus required for any individual leptoquark model that could be considered in a collider analysis in order to assess the size of the studied corrections. In order to facilitate such calculations we provide dedicated public numerical packages.

show abstract

“…Interestingly, scalar leptoquark solutions to the above anomalies still persist after the recent LHCb update, as shown for instance in refs. [27][28][29][30][31][32][33].…”

Section: Introductionmentioning

confidence: 99%

Scalar leptoquark pair production at the LHC: precision predictions in the era of flavour anomalies

Borschensky

Fuks

Kulesza

et al. 2022

J. High Energ. Phys.

View full text Add to dashboard Cite

We comprehensively examine precision predictions for scalar leptoquark pair production at the LHC. In particular, we investigate the impact of lepton t-channel exchange diagrams that are potentially relevant in the context of leptoquark scenarios providing an explanation for the flavour anomalies. We also evaluate the corresponding total rates at the next-to-leading order in QCD. Moreover, we complement this calculation with the resummation of soft-gluon radiation at the next-to-next-to-leading logarithmic accuracy, hence providing the most precise predictions for leptoquark pair production at the LHC to date. Relying on a variety of benchmark scenarios favoured by the anomalies, our results exhibit an interesting interplay between the t-channel diagram contributions, the flavour texture satisfied by the leptoquark Yukawa couplings, the leptoquark masses and their representations under the Standard Model gauge group, as well as the chosen set of parton densities used for the numerical evaluations. The net effect on a cross section turns out to be very non-generic and ranges up to about 60% with respect to the usual next-to-leading-order predictions in QCD (i.e. without any t-channel contribution) for some scenarios considered. Dedicated calculations are thus required for any individual leptoquark model that could be considered in a collider analysis in order to assess the size of the studied corrections. In order to facilitate such calculations we provide dedicated public numerical packages.

show abstract

Light dark matter, rare B decays with missing energy in Lμ−Lτ model with a scalar leptoquark

Cited by 14 publications

References 146 publications

Snowmass2021 Cosmic Frontier Dark Matter Direct Detection to the Neutrino Fog

Snowmass2021 Cosmic Frontier Dark Matter Direct Detection to the Neutrino Fog

Scalar leptoquark pair production at the LHC: precision predictions in the era of flavour anomalies

Scalar leptoquark pair production at the LHC: precision predictions in the era of flavour anomalies

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