17-24 July 2013
KTH and Stockholm University Campus
Europe/Stockholm timezone

Test of leptonic universality in J/psi decays

19 Jul 2013, 16:15
15m
D1 (KTH Campus)

D1

KTH Campus

Talk presentation Flavour Physics and Fundamental Symmetries Flavour Physics and fundamental symmetries

Speaker

Evgenii Baldin (BINP)

Description

The ratio of the partial width of $J/\psi$ decays into $e^+e^-$ and $\mu^+\mu^-$ pairs are measured using a data sample of $7\cdot10^{6}$ \(J/\psi\) events recorded by the KEDR detector at the VEPP-4M collider. Our preliminary result are: \[\Gamma_{ee}/\Gamma_{\mu\mu}=0.9965\pm0.0045\pm0.0050.\]

Primary author

Presentation Materials