Sterile Neutrinos, Coherent Scattering and Oscillometry Measurements with Low-temperature Bolometers

Abstract

Coherent neutrino-nucleon scattering offers a unique approach in the search for physics beyond the Standard Model. When used in conjunction with mono-energetic neutrino sources, the technique can be sensitive to the existence of light sterile neutrinos. The ability to utilize such reactions has been limited in the past due to the extremely low energy threshold (10-50 eV) needed for detection. In this paper, we discuss an optimization of cryogenic solid state bolometers that enables reaching extremely low kinetic energy thresholds. We investigate the sensitivity of an array of such detectors to neutrino oscillations to sterile states. A recent analysis of available reactor data appears to favor the existence of such such a sterile neutrino with a mass splitting of $|\Delta m_{\mathrm{sterile}}{|}^2\ge 1.5$ eV${}^2$ and mixing strength of ${\sin }^{2}2{\theta }_{\mathrm{sterile}}=0.17\pm 0.08$ at 95% C.L. An array of such low-threshold detectors would be able to make a definitive statement as to the validity of the interpretation.

14 pages, 10 figures. Version 2: Temperature dependence on alpha fixed from earlier version

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Cited by in corpus (42)

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• Direct Detection of Sub-GeV Dark Matter
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• COHERENT constraints to conventional and exotic neutrino physics
• Coherent Neutrino Scattering with Low Temperature Bolometers at Chooz Reactor Complex
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• Exploring low-energy neutrino physics with the Coherent Neutrino Nucleus Interaction Experiment (CONNIE)
• Probing light sterile neutrino signatures at reactor and Spallation Neutron Source neutrino experiments
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• Gram-scale cryogenic calorimeters for rare-event searches
• Future CEvNS experiments as probes of lepton unitarity and light-sterile neutrinos
• Probing light mediators at ultra-low threshold energies with coherent elastic neutrino-nucleus scattering
• Recent probes of standard and non-standard neutrino physics with nuclei
• Novel constraints on neutrino physics beyond the standard model from the CONUS experiment
• Flavor-dependent radiative corrections in coherent elastic neutrino-nucleus scattering
• Solar neutrino physics with low-threshold dark matter detectors
• Coherency and incoherency in neutrino-nucleus elastic and inelastic scattering
• Constraining Sterile Neutrino Interpretations of the LSND and MiniBooNE Anomalies with Coherent Neutrino Scattering Experiments
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• The physics potential of a reactor neutrino experiment with Skipper CCDs: Measuring the weak mixing angle
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• A D${}_2$O detector for flux normalization of a pion decay-at-rest neutrino source
• The physics potential of a reactor neutrino experiment with Skipper-CCDs: Searching for new physics with light mediators
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• Recent Progress in Low Energy Neutrino Scattering Physics and Its Implications for the Standard and Beyond the Standard Model Physics
• Coherent elastic nuclear scattering of ${}^{51}$Cr neutrinos
• Controlling $T_c$ of Iridium Films Using the Proximity Effect
• Unfolding Neutron Spectrum with Markov Chain Monte Carlo at MIT Research Reactor with He-3 Neutral Current Detectors
• Low-energy spectrum of the BULLKID detector array operated on surface
• First Double-Chooz Results and the Reactor Antineutrino Anomaly
• Light yield of an undoped CsI crystal coupled directly to a photomultiplier tube at 77 Kelvin
• LEvEL: Low-Energy Neutrino Experiment at the LHC
• Upgrade of NaI(Tl) crystal encapsulation for the NEON experiment
• The Intermediate Neutrino Program
• Germanium target sensed by phonon-mediated kinetic inductance detectors
• Neutron capture-induced nuclear recoils as background for CE$\nu$NS~measurements at reactors
• Status and Perspectives of Neutrino Physics
• Bounds on new physics with data of the Dresden-II reactor experiment and COHERENT