no code implementations • 20 Jan 2021 • Werner Bernreuther, Long Chen, Otto Nachtmann
We reconsider the issue of the search for a nonzero electric dipole form factor (EDM) $d_\tau(s)$ using optimal observables in $\tau^+\tau^-$ production by $e^+ e^-$ collisions in the center-of-mass energy range from the $\tau$-pair threshold to about $\sqrt{s} \sim 15$ GeV.
High Energy Physics - Phenomenology High Energy Physics - Experiment
