LEPTONS INSPIRE search

# ${{\mathit e}}$ $J$ = $1/2$

 ${{\mathit e}}$ MASS (atomic mass units u) $(5.48579909070 \pm0.00000000016) \times 10^{-4}$ u
 ${{\mathit e}}$ MASS $0.5109989461 \pm0.0000000031$ MeV
 $({\mathit m}_{{{\mathit e}^{+}}}–{\mathit m}_{{{\mathit e}^{-}}})/{\mathit m}_{\mathrm {average}}$ $<8 \times 10^{-9}$   CL=90.0%
 $\vert \mathit q_{{{\mathit e}^{+}}}~+~\mathit q_{{{\mathit e}^{-}}}\vert /{{\mathit e}}$ $<4 \times 10^{-8}$
${{\mathit e}}$ MAGNETIC MOMENT ANOMALY
 ${{\mathit \mu}_{{e}}}/{{\mathit \mu}_{{B}}}$ $−$ 1 = ($\mathit g−$2)/2 $0.00115965218091 \pm0.00000000000026$
 (${\mathit g}_{{{\mathit e}^{+}}}–{\mathit g}_{{{\mathit e}^{-}}}$) $/$ $\mathit g_{{\mathrm {average}}}$ $(-0.5 \pm2.1) \times 10^{-12}$
 ${{\mathit e}}$ ELECTRIC DIPOLE MOMENT (d) $<0.87 \times 10^{-28}$ $\mathit e~$cm  CL=90.0%
${{\mathit e}^{-}}$ MEAN LIFE $/$ BRANCHING FRACTION
 ${{\mathit e}}$ $\rightarrow$ ${{\mathit \nu}_{{e}}}{{\mathit \gamma}}$ and astrophysical limits $>6.6 \times 10^{28}$ yr  CL=90.0%
 Disappearance and nuclear-de-excitation experiments $>6.4 \times 10^{24}$ yr  CL=68.0%
LIMITS ON LEPTON-FLAVOR VIOLATION IN PRODUCTION
 ${\mathit \sigma (}$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit e}^{\pm}}{{\mathit \tau}^{\mp}}{)}$ $/$ ${\mathit \sigma (}$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{)}$ $<8.9 \times 10^{-6}$   CL=95.0%
 ${\mathit \sigma (}$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \mu}^{\pm}}{{\mathit \tau}^{\mp}}{)}$ $/$ ${\mathit \sigma (}$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{)}$ $<4.0 \times 10^{-6}$   CL=95.0%