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

Forbidden by lepton family number conservation.

${\mathit \sigma (}$ ${{\mathit \mu}^{-}}$ ${}^{}\mathrm {Pb}$ $\rightarrow$ ${{\mathit e}^{-}}{}^{}\mathrm {Pb}{)}$ / ${\mathit \sigma (}$ ${{\mathit \mu}^{-}}$ ${}^{}\mathrm {Pb}$ $\rightarrow$ capture${)}$

INSPIRE   PDGID:
S004RH
VALUE CL% DOCUMENT ID TECN  COMMENT
$\bf{<4.6 \times 10^{-11}}$ 90
HONECKER
1996
SPEC SINDRUM II
• • We do not use the following data for averages, fits, limits, etc. • •
$<4.9 \times 10^{-10}$ 90
AHMAD
1988
TPC TRIUMF
Conservation Laws:
LEPTON FAMILY NUMBER
References