LIMITS ON LEPTON-FLAVOR VIOLATION IN PRODUCTION
Forbidden by lepton family number conservation.
This section was added for the 2008 edition of this $\mathit Review$ and is not complete. For a list of further measurements see references in the papers listed below.
${\boldsymbol \sigma (}$ ${{\boldsymbol e}^{+}}$ ${{\boldsymbol e}^{-}}$ $\rightarrow$ ${{\boldsymbol e}^{\pm}}{{\boldsymbol \tau}^{\mp}}{)}$ $/$ ${\boldsymbol \sigma (}$ ${{\boldsymbol e}^{+}}$ ${{\boldsymbol e}^{-}}$ $\rightarrow$ ${{\boldsymbol \mu}^{+}}{{\boldsymbol \mu}^{-}}{)}$
INSPIRE search
| $\bf{<8.9 \times 10^{-6}}$ |
95 |
|
|
BABR |
| • • • We do not use the following data for averages, fits, limits, etc. • • • |
| $<1.8 \times 10^{-3}$ |
95 |
|
|
MRK2 |
|
| Conservation Laws: |
|
|
| References: |
|
| PR D75 031103 |
Search for the Reactions ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \tau}^{-}}$ and ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit \tau}^{-}}$ |
|
| PRL 66 1007 |
A Search for Elastic Nondiagonal Lepton Pair Production in ${{\mathit e}^{+}}{{\mathit e}^{-}}$ Annihilation at $\sqrt {s }$ = 29 GeV |
|
