(C) Other neutrino mixing results

The LSND collaboration reported in AGUILAR 2001 a signal which is consistent with ${{\overline{\mathit \nu}}_{{\mu}}}$ $\rightarrow$ ${{\overline{\mathit \nu}}_{{e}}}$ oscillations. In a three neutrino framework, this would be a measurement of $\theta _{12}$ and $\Delta \mathit m{}^{2}_{21}$. This does not appear to be consistent with most of the other neutrino data. The MiniBooNE experiment, reported in AGUILAR-AREVALO 2007 , does a two-neutrino analysis which, assuming $\mathit CP$ conservation, rules out AGUILAR 2001 . However, the MiniBooNE antineutrino data reported in AGUILAR-AREVALO 2013A are consistent with the signal reported in AGUILAR 2001 . The following listings include results which might be relevant towards understanding these observations. They include searches for ${{\mathit \nu}_{{\mu}}}$ $\rightarrow$ ${{\mathit \nu}_{{e}}}$ , ${{\overline{\mathit \nu}}_{{\mu}}}$ $\rightarrow$ ${{\overline{\mathit \nu}}_{{e}}}$ , sterile neutrino oscillations, and $\mathit CPT$ violation.

sin$^2(2{}\theta )$ for ``Large'' $\Delta \boldsymbol m{}^{2}$ ( ${{\overline{\boldsymbol \nu}}_{{e}}}$ $\nrightarrow$ ${{\overline{\boldsymbol \nu}}_{{e}}}$ ) INSPIRE search

VALUE CL% DOCUMENT ID TECN  COMMENT
• • • We do not use the following data for averages, fits, limits, etc. • • •
$<0.02$ 90 1
ACHKAR
1995
CNTR For $\Delta \mathit m{}^{2}$ = $0.6$ eV${}^{2}$
1  ACHKAR 1995 bound is from data for $\mathit L$=15, 40, and 95$~$m distance from the Bugey reactor.
  References:
ACHKAR 1995
NP B434 503 Search for Neutrino Oscillations at 15, 40 and 95 Meters from a Nuclear Power Plant at Bugey