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

Forbidden by lepton family number conservation.

${\boldsymbol \sigma (}$ ${{\boldsymbol \mu}^{-}}$ ${}^{}\mathrm {Cu}$ $\rightarrow$ ${{\boldsymbol e}^{-}}{}^{}\mathrm {Cu}{)}$ / ${\boldsymbol \sigma (}$ ${{\boldsymbol \mu}^{-}}$ ${}^{}\mathrm {Cu}$ $\rightarrow$ capture${)}$ INSPIRE search

VALUE CL% DOCUMENT ID TECN
• • • We do not use the following data for averages, fits, limits, etc. • • •
$<1.6 \times 10^{-8}$ 90
BRYMAN
1972
SPEC
  References:
BRYMAN 1972
PRL 28 1469 Search for the Reaction ${{\mathit \mu}^{-}}$ ${}^{}\mathrm {Cu}$ $\rightarrow$ ${{\mathit e}^{+}}{}^{}\mathrm {Co}$