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

Forbidden by lepton family number conservation.

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

INSPIRE  
VALUE CL% DOCUMENT ID TECN CHG  COMMENT
$\bf{<7 \times 10^{-13}}$ 90
BERTL
2006
SPEC - SINDRUM II
Conservation Laws:
LEPTON FAMILY NUMBER
References:
BERTL 2006
EPJ C47 337 A Search for ${{\mathit \mu}}$ -${{\mathit e}}$ Conversion in Muonic Gold