(${\mathit m}_{{{\mathit \tau}^{+}}}–{\mathit m}_{{{\mathit \tau}^{-}}})/\mathit m_{{\mathrm {average}}}$
INSPIRE search
A test of $\mathit CPT$ invariance.
| S035MDF |
| $\bf{<2.8 \times 10^{-4}}$ |
90 |
|
|
BELL |
| • • • We do not use the following data for averages, fits, limits, etc. • • • |
| $<5.5 \times 10^{-4}$ |
90 |
1 |
|
BABR |
| $<3.0 \times 10^{-3}$ |
90 |
|
|
OPAL |
|
1
AUBERT 2009AK quote both the listed upper limit and (${\mathit m}_{{{\mathit \tau}^{+}}}–{\mathit m}_{{{\mathit \tau}^{-}}})/\mathit m_{{\mathrm {average}}}$ = ($-3.4$ $\pm1.3$ $\pm0.3$) $ \times 10^{-4}$.
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| Conservation Laws: |
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| References: |
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PR D80 092005
|
Measurements of the ${{\mathit \tau}}$ Mass and the Mass Difference of the ${{\mathit \tau}^{+}}$ and ${{\mathit \tau}^{-}}$ at BABAR |
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PRL 99 011801
|
Measurement of the ${{\mathit \tau}}$ Lepton Mass and an Upper Limit on the Mass Difference between ${{\mathit \tau}^{+}}$ and ${{\mathit \tau}^{-}}$ |
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PL B492 23
|
A Measurement of the ${{\mathit \tau}}$ Mass and First $\mathit CPT$ Test with ${{\mathit \tau}}$ Leptons |
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