Sterile Neutrino searches with MINOS and MINOS+
- CERN
A search for sterile neutrinos was performed by looking for muon neutrino disappearance using the MINOS/MINOS+ detectors. The two detectors are at baselines of 1.04 km and 735 km from the neutrino production target of the NuMI neutrino beam at Fermilab. The data exposure consists of $$10.56 \times 10^{20}$$ protons-on-target from a beam configuration with a neutrino energy distribution peaked at 3 GeV and a further $$5.8 \times 10^{20}$$ protons-on-target in a higher energy configuration with a beam peak energy of 7 GeV. A simultaneous analysis of the $$\nu_{\mu}$$ charged-current and neutral- current neutrino energy spectra in the two detectors, using a $3+1$ sterile neutrino model, yields no evidence of sterile neutrino mixing. A world-leading limit on the sterile mixing angle $$\sin^2 \theta_{24}$$ is set for many values of the sterile neutrino mass-splitting $$\Delta m^2_{41} \gt 10^{-4}\,$$eV$^2$.
- Research Organization:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
- Contributing Organization:
- MINOS/MINOS+
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1958476
- Report Number(s):
- FERMILAB-CONF-18-844-V; oai:inspirehep.net:1664211
- Conference Information:
- Journal Name: PoS Journal Volume: EPS-HEP2017
- Country of Publication:
- United States
- Language:
- English
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