Neutrinos disintegrate into dark jets in a composite sterile sector, producing enhanced neutral-to-charged current ratios and displaced vertices that probe compositeness scales at facilities like DUNE and FCC-ee.
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Kopp, Phys
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hep-ph 6years
2026 6representative citing papers
A fully general open quantum system description of arbitrarily complex oscillating and decaying neutrino systems is developed and shown to be implementable via Lindblad equations, Liouvillian superoperators, and Kraus operators.
A sterile neutrino with a novel density-dependent matter potential Vs resolves multiple oscillation anomalies when Vs is negative and mixing angles are small.
In the left-right asymmetry model, differing neutron and antineutron lifetimes during the QCD phase transition generate baryon asymmetry while escaping sterile neutrinos produce opposite lepton asymmetry.
A 2023 reactor antineutrino flux calculation revives the Reactor Antineutrino Anomaly to 2.2 sigma and produces 3.8 sigma tension with gallium data that drops to 1.3 sigma when gallium uncertainties are enlarged.
Future MeV telescopes are projected to improve existing limits on sterile neutrino dark matter decay rates by several orders of magnitude.
citing papers explorer
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Probing Neutrino Compositeness with Invisible and Displaced Signals
Neutrinos disintegrate into dark jets in a composite sterile sector, producing enhanced neutral-to-charged current ratios and displaced vertices that probe compositeness scales at facilities like DUNE and FCC-ee.
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Visible Neutrino Decay As An Open Quantum System
A fully general open quantum system description of arbitrarily complex oscillating and decaying neutrino systems is developed and shown to be implementable via Lindblad equations, Liouvillian superoperators, and Kraus operators.
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Effective Matter Flavor Conversion Mediated by Pseudo-Sterile States as the Possible Origin of Neutrino Oscillation Anomalies
A sterile neutrino with a novel density-dependent matter potential Vs resolves multiple oscillation anomalies when Vs is negative and mixing angles are small.
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Baryon and lepton asymmetry of the Universe in the left-right asymmetry model of weak interaction
In the left-right asymmetry model, differing neutron and antineutron lifetimes during the QCD phase transition generate baryon asymmetry while escaping sterile neutrinos produce opposite lepton asymmetry.
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Revival of the Reactor Antineutrino Anomaly
A 2023 reactor antineutrino flux calculation revives the Reactor Antineutrino Anomaly to 2.2 sigma and produces 3.8 sigma tension with gallium data that drops to 1.3 sigma when gallium uncertainties are enlarged.
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Hunting Sterile Neutrino Dark Matter in the MeV Gap
Future MeV telescopes are projected to improve existing limits on sterile neutrino dark matter decay rates by several orders of magnitude.