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

Forbidden by total lepton number conservation.

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

VALUE CL% DOCUMENT ID TECN  COMMENT
$\bf{<9 \times 10^{-10}}$ 90
 1980
STRC SIN
• • • We do not use the following data for averages, fits, limits, etc. • • •
$<1.5 \times 10^{-9}$ 90
 1978
STRC SIN
Conservation Laws:
 TOTAL LEPTON NUMBER
References:
PL 79B 371 Search for ${{\mathit \mu}^{-}}$ $\rightarrow$ ${{\mathit e}^{+}}$ Conversion on Sulfur