LIMIT ON ${{\boldsymbol \mu}^{-}}$ $\rightarrow$ ${{\boldsymbol e}^{-}}$ CONVERSION

Forbidden by lepton family number conservation.

${\boldsymbol \sigma (}$ ${{\boldsymbol \mu}^{-}}$ ${}^{32}\mathrm {S}$ $\rightarrow$ ${{\boldsymbol e}^{-}}{}^{32}\mathrm {S}{)}$ / ${\boldsymbol \sigma (}$ ${{\boldsymbol \mu}^{-}}$ ${}^{32}\mathrm {S}$ $\rightarrow$ ${{\boldsymbol \nu}_{{\mu}}}{}^{32}\mathrm {P}^{*}{)}$ INSPIRE search

VALUE CL% DOCUMENT ID TECN  COMMENT
$\bf{<7 \times 10^{-11}}$ 90
BADERTSCHER
1980
STRC SIN
• • • We do not use the following data for averages, fits, limits, etc. • • •
$<4 \times 10^{-10}$ 90
BADERTSCHER
1977
STRC SIN
  Conservation Laws:
LEPTON FAMILY NUMBER
  References:
BADERTSCHER 1980
LNC 28 401 New Upper Limits for Muon-Electron Conversion in Sulfur
BADERTSCHER 1977
PRL 39 1385 Upper Limit for Muon-Electron Conversion in Sulfur