LEPTONS INSPIRE search

Neutrino Mixing

 
(A) Neutrino fluxes and event ratios
Events (observed/expected) from accelerator ${{\mathit \nu}_{{\mu}}}$ experiments.
 
Events (observed/expected) from reactor ${{\overline{\mathit \nu}}_{{e}}}$ experiments.
 
Atmospheric neutrinos
R(${{\mathit \mu}}/{{\mathit e}}$) = (Measured Ratio ${{\mathit \mu}}/{{\mathit e}}$) $/$ (Expected Ratio ${{\mathit \mu}}/{{\mathit e}}$)
 
R(${{\mathit \nu}_{{\mu}}}$) = (Measured Flux of ${{\mathit \nu}_{{\mu}}}$) $/$ (Expected Flux of ${{\mathit \nu}_{{\mu}}}$)
 
R(${{\mathit \mu}}$/total) = (Measured Ratio ${{\mathit \mu}}$/total) $/$ (Expected Ratio ${{\mathit \mu}}$/total)
 
$\mathit N_{{\mathrm {up}}}({{\mathit \mu}})/\mathit N_{{\mathrm {down}}}({{\mathit \mu}}$)
 
$\mathit N_{{\mathrm {up}}}({{\mathit e}})/\mathit N_{{\mathrm {down}}}({{\mathit e}}$)
 
R(up/down; ${{\mathit \mu}}$) = (Measured up/down; ${{\mathit \mu}}$) $/$ (Expected up/down; ${{\mathit \mu}}$)
 
N(${{\mathit \mu}^{+}})/N({{\mathit \mu}^{-}}$)
 
R(${{\mathit \mu}^{+}}/{{\mathit \mu}^{-}}$) = (Measured N(${{\mathit \mu}^{+}})/N({{\mathit \mu}^{-}}$)) $/$ (Expected N(${{\mathit \mu}^{+}})/N({{\mathit \mu}^{-}}$))
 
Solar neutrinos
${{\mathit \nu}_{{e}}}$ Capture Rates from Radiochemical Experiments
 
$\phi _{\mathit ES}$ (${}^{8}\mathrm {B}$)
 
$\phi _{\mathit CC}$ (${}^{8}\mathrm {B}$)
 
$\phi _{\mathit NC}$ (${}^{8}\mathrm {B}$)
 
$\phi _{{{\mathit \nu}_{{\mu}}}+{{\mathit \nu}_{{\tau}}}}$ (${}^{8}\mathrm {B}$)
 
Total Flux of Active ${{\mathit p}}{{\mathit p}}$ Solar Neutrinos
 
Total Flux of Active ${}^{7}\mathrm {Be}$ Solar Neutrinos
 
Total Flux of Active ${{\mathit p}}{{\mathit e}}{{\mathit p}}$ Solar Neutrinos
 
Total Flux of Active ${}^{8}\mathrm {B}$ Solar Neutrinos
 
Total Flux of Active CNO Solar Neutrinos
 
Total Flux of Active hep Solar Neutrinos
 
Day-Night Asymmetry (${}^{8}\mathrm {B}$)   $0.033 \pm0.011$  
 
$\phi _{\mathit ES}$ (${}^{7}\mathrm {Be}$)
 
$\phi _{\mathit ES}$ ( ${{\mathit p}}{{\mathit e}}{{\mathit p}}$ )
 
$\phi _{\mathit ES}$ (CNO)
 
$\phi _{ES}({{\mathit p}{\mathit p}}$)
 
$\phi _{CC}({{\mathit p}{\mathit p}}$)
 
$\phi _{\mathit ES}$ (hep)
 
$\phi _{{{\overline{\mathit \nu}}_{{e}}}}$ (${}^{8}\mathrm {B}$)
 
(B) Three-neutrino mixing parameters
sin$^2(\theta _{12})$   $0.307 \pm0.013$  
 
$\Delta $m${}^{2}_{21}$   $(7.53 \pm0.18) \times 10^{-5}$ eV${}^{2}$ 
 
sin$^2(\theta _{23})$   $0.546 \pm0.021$    ...
 
$\Delta $m${}^{2}_{32}$   $0.002453 \pm0.000033$ eV${}^{2}$   ...
 
sin$^2(\theta _{13})$   $0.0220 \pm0.0007$  
 
$\mathit CP$ violating phase
$\delta $, $\mathit CP$ violating phase   $1.36 {}^{+0.20}_{-0.16}$ ${{\mathit \pi}}$ rad 
 
(C) Other neutrino mixing results
$\Delta \mathit m{}^{2}$ for sin$^2(2{}\theta )$ = 1 ( ${{\mathit \nu}_{{\mu}}}$ $\rightarrow$ ${{\mathit \nu}_{{e}}}$ )
 
sin$^2(2{}\theta )$ for “Large” $\Delta \mathit m{}^{2}$ ( ${{\mathit \nu}_{{\mu}}}$ $\rightarrow$ ${{\mathit \nu}_{{e}}}$ )
 
$\Delta \mathit m{}^{2}$ for sin$^2(2{}\theta )$ = 1 ( ${{\overline{\mathit \nu}}_{{\mu}}}$ $\rightarrow$ ${{\overline{\mathit \nu}}_{{e}}}$ )
 
sin$^2(2{}\theta )$ for “Large” $\Delta \mathit m{}^{2}$ ( ${{\overline{\mathit \nu}}_{{\mu}}}$ $\rightarrow$ ${{\overline{\mathit \nu}}_{{e}}}$ )
 
$\Delta \mathit m{}^{2}$ for sin$^2(2{}\theta )$ = 1 ( ${{\mathit \nu}_{{\mu}}}$ ( ${{\overline{\mathit \nu}}_{{\mu}}}$ ) $\rightarrow$ ${{\mathit \nu}_{{e}}}$ ( ${{\overline{\mathit \nu}}_{{e}}}$ ))   $<0.075$ eV${}^{2}$  CL=90.0%
 
sin$^2(2{}\theta )$ for “Large” $\Delta \mathit m{}^{2}$ ( ${{\mathit \nu}_{{\mu}}}$ ( ${{\overline{\mathit \nu}}_{{\mu}}}$ ) $\rightarrow$ ${{\mathit \nu}_{{e}}}$ ( ${{\overline{\mathit \nu}}_{{e}}}$ ))   $<1.8 \times 10^{-3}$   CL=90.0%
 
$\Delta \mathit m{}^{2}$ for sin$^2(2{}\theta )$ = 1 ( ${{\overline{\mathit \nu}}_{{e}}}$ $\nrightarrow$ ${{\overline{\mathit \nu}}_{{e}}}$ )
 
sin$^2(2{}\theta )$ for “Large” $\Delta \mathit m{}^{2}$ ( ${{\overline{\mathit \nu}}_{{e}}}$ $\nrightarrow$ ${{\overline{\mathit \nu}}_{{e}}}$ )
 
Sterile neutrino limits
$\Delta \mathit m{}^{2}$ for sin$^2(2{}\theta )$ = 1 (${{\mathit \nu}_{{\mu}}}$ $\rightarrow$ ${{\mathit \nu}_{{s}}}$)
 
Search for ${{\mathit \nu}_{{\mu}}}$ or ${{\mathit \nu}_{{e}}}$ $\rightarrow$ ${{\mathit \nu}_{{s}}}$
 
$\mathit CPT$ tests
$\langle \Delta {{\mathit m}^{2}}_{\mathrm {21}}−\Delta {{\overline{\mathit m}}}{}^{2}_{21}\rangle $   $<1.1 \times 10^{-4}$ eV${}^{2}$  CL=99.7%
 
$\langle \Delta {{\mathit m}^{2}}_{\mathrm {32}}−\Delta {{\overline{\mathit m}}}{}^{2}_{32}\rangle $   $(-1.2 \pm2.5) \times 10^{-4}$ eV${}^{2}$ 
 
FOOTNOTES