BEST sensitivity to O(1) eV sterile neutrino

Abstract

Numerous anomalous results in neutrino oscillation experiments can be attributed to interference of ~1 eV sterile neutrino. The specially designed to fully explore the Gallium anomaly Baksan Experiment on Sterile Transitions (BEST) starts next year. We investigate the sensitivity of BEST in searches for sterile neutrino mixed with electron neutrino. Then, performing the combined analysis of all the Gallium experiments (SAGE, GALLEX, BEST) we find the regions in model parameter space (sterile neutrino mass and mixing angle), which will be excluded if BEST agrees with no sterile neutrino hypothesis. For the opposite case, if BEST observes the signal as it follows from the sterile neutrino explanation of the Gallium (SAGE and GALLEX) anomaly, we show how BEST will improve upon the present estimates of the model parameters.

arXiv comment6 pages,4 figures

References in corpus (17)

• Evidence for Neutrino Oscillations from the Observation of Electron Anti-neutrinos in a Muon Anti-Neutrino Beam
• Improved Predictions of Reactor Antineutrino Spectra
• On the determination of anti-neutrino spectra from nuclear reactors
• Measurement of the solar neutrino capture rate with gallium metal. III: Results for the 2002--2007 data-taking period
• Improved Search for ${\bar{\nu }}_{\mu }\to {\bar{\nu }}_e$ Oscillations in the MiniBooNE Experiment
• Candidate Events in a Search for Muon Antineutrino to Electron Antineutrino Oscillations
• Reanalysis of the GALLEX solar neutrino flux and source experiments
• Event Excess in the MiniBooNE Search for ${\bar{\nu }}_{\mu }\to {\bar{\nu }}_e$ Oscillations
• Statistical Significance of the Gallium Anomaly
• Phenomenology of Neutrino Oscillations
• Measurement of the response of a Ga solar neutrino experiment to neutrinos from an 37Ar source
• Measurement of the response of a gallium metal solar neutrino experiment to neutrinos from a 51Cr source
• A ménage à trois of eV-scale sterile neutrinos, cosmology, and structure formation
• How secret interactions can reconcile sterile neutrinos with cosmology
• Update of Short-Baseline Electron Neutrino and Antineutrino Disappearance
• A search for an additional neutrino mass eigenstate in 2 to 100 eV region from "Troitsk nu-mass" data - detailed analysis
• An upper limit on additional neutrino mass eigenstate in 2 to 100 eV region from "Troitsk nu-mass" data

Cited by in corpus (6)

• Status of Light Sterile Neutrino Searches
• Revised neutrino-gallium cross section and prospects of BEST in resolving the Gallium anomaly
• BEST potential in testing the eV-scale sterile neutrino explanation of reactor antineutrino anomalies
• Light sterile neutrino sensitivity of 163Ho experiments
• Prospects for detecting eV-scale sterile neutrinos from a galactic supernova
• Oscillations Beyond Three-Neutrino Mixing