The MiniBooNE Collaboration reports a search for νμ and ν̄μ disappearance in the Δm2 region of 0.5-40eV2. These measurements are important for constraining models with extra types of neutrinos, extra dimensions, and CPT violation. Fits to the shape of the νμ and ν̄μ energy spectra reveal no evidence for disappearance at the 90% confidence level (C.L.) in either mode. The test of ν̄μ disappearance probes a region below Δm2=40eV2 never explored before.
ASJC Scopus subject areas
- Physics and Astronomy(all)