Abstract
The MINOS experiment made precision measurements of the neutrino oscillation parameters that are governed by the atmospheric mass-squared splitting. These measurements were made with data that were collected while the NuMI muon neutrino beam operated in a low energy mode that peaks around 3 GeV. Today the NuMI beam is running with a higher energy mode that produces a neutrino energy spectrum that peaks around 7 GeV, allowing the MINOS+ experiment to probe neutrino oscillation phenomena that could potentially be governed by a fourth mass-squared splitting. If observed, the presence of a fourth mass-squared splitting would be compelling evidence for a sterile neutrino state. In this analysis, we will present the results of a search for νµ → νe oscillation mediated by sterile neutrinos in MINOS+. The results will be contrasted against the measurements made by the LSND experiment.
Highlights
MINOS+ is the medium-energy NuMI beam [1] extension of MINOS, an on-axis, long-baseline experiment that studied neutrino and antineutrino oscillations in the low-energy NuMI beam mode
The MINOS experiment made precision measurements of the neutrino oscillation parameters that are governed by the atmospheric mass-squared splitting. These measurements were made with data that were collected while the NuMI muon neutrino beam operated in a low energy mode that peaks around 3 GeV
Today the NuMI beam is running with a higher energy mode that produces a neutrino energy spectrum that peaks around 7 GeV, allowing the MINOS+ experiment to probe neutrino oscillation phenomena that could potentially be governed by a fourth mass-squared splitting
Summary
- Sterile Neutrino Dark Matter: Sterile neutrinos—almost part of the Standard Model A Merle. - Search for muon neutrino disappearance due to sterile neutrino oscillations with the MINOS/MINOS+ experiment J Todd, R Chen, J Huang et al. - New results from MINOS and MINOS+ Justin Evans and MINOS and MINOS+ collaborations. View the article online for updates and enhancements.
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