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Neutrino dipole portal at a high energy $\mu-$collider

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arxiv 2404.09609 v2 pith:VVG2NOSV submitted 2024-04-15 hep-ph

classification hep-ph
keywords operatorsportalbosoncolliderdipoleelectroweakmodelneutrinos
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We study the phenomenology of $d=6$ dipole portal operators connecting active and sterile neutrinos at a futuristic muon collider. These operators can be the dominant portal between the Standard Model and the New Physics sector in scenarios in which the active-sterile mixing is suppressed. We identify two production modes for sterile neutrinos: one proceeding through the exchange of an $s-$channel electroweak boson and one arising from the fusion of an electroweak boson with a Standard Model lepton. We study the expected reach on the operators suppression scale for these different production mechanisms, showing that the latter offers the best sensitivity and allowing to test a New Physics scale in the $\sim 10\;$TeV range.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Search for active-sterile neutrino transitions using Pierre Auger Observatory data

    hep-ph 2026-08 conditional novelty 6.0 of 10

    Using the non-observation of ultrahigh-energy neutrinos at the Pierre Auger Observatory, the collaboration sets 90% confidence limits on the active-sterile transition magnetic moment for sterile neutrino masses betwee...

  2. The Forward Neutrino Flux and its Secondaries at a 10 TeV Muon Collider

    hep-ph 2026-08

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