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Dipole portal to heavy neutral leptons
We consider generic neutrino dipole portals between left-handed neutrinos, photons, and right-handed heavy neutral leptons (HNL) with Dirac masses. The dominance of this portal significantly alters…
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Millicharged Particles in Neutrino Experiments.
We set constraints and future sensitivity projections on millicharged particles (MCPs) based on electron scattering data in numerous neutrino experiments, starting with MiniBooNE and the Liquid…
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Testing New Physics Explanations of the MiniBooNE Anomaly at Neutrino Scattering Experiments.
TLDR
This work places new constraints on this class of models based on neutrino-electron scattering sideband measurements performed at MINERνA and CHARM-II, finding that a simultaneous explanation of the angular and energy distributions of the MiniBooNE excess in terms of heavy neutrinos with light mediators is severely constrained.
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Constraints on millicharged particles from cosmic-ray production
We study the production of exotic millicharged particles (MCPs) from cosmic ray-atmosphere collisions which constitutes a permanent MCP production source for all terrestrial experiments Our…
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White Paper on New Opportunities at the Next-Generation Neutrino Experiments (Part 1: BSM Neutrino Physics and Dark Matter)
With the advent of a new generation of neutrino experiments which leverage high-intensity neutrino beams for precision measurements, it is timely to explore physics topics beyond the standard…
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Elastically Decoupling Dark Matter.
We present a novel dark matter candidate, an elastically decoupling relic, which is a cold thermal relic whose present abundance is determined by the cross section of its elastic scattering on…
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Phenomenology of ELDER dark matter
A bstractWe explore the phenomenology of Elastically Decoupling Relic (ELDER) dark matter. ELDER is a thermal relic whose present density is determined primarily by the cross-section of its elastic…
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Proton fixed-target scintillation experiment to search for millicharged dark matter
We propose a low-cost and movable setup to probe minicharged particles using high-intensity proton fixed-target facilities. This proposal, FerMINI, consists of a scintillator-based detector,…
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The High-Energy Frontier of the Intensity Frontier: Closing the Dark Photon, Inelastic Dark Matter, and Muon g-2 Windows.
We study hidden sector and long-lived particles at past (CHARM and NuCal), present (NA62 and SeaQuest/DarkQuest), and future (LongQuest) experiments that are at the high-energy frontier of the…
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Dark Photon and Muon g-2 Inspired Inelastic Dark Matter Models at the High-Energy Intensity Frontier.
TLDR
It is demonstrated that proton fixed-target experiments provide one of the most powerful probes for the MeV to few GeV mass range of the next-to-minimal models in which the productions and decays are decoupled, and the constraints of the minimal dark photon parameter space are updated.
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