Table 2.

Summary of the beam parameters for the first ($e^{-}$) and second ($e^{+}$) bunches obtained under the nominal operation condition of the $e^{+}$ mode.

Params.	1st and 2nd bunches ($e^{-}{e}^{+}$)	1st bunch ($e^{-}$)	2nd bunch ($e^{+}$)
$\mathrm{\Delta }t$ (ps)	$135\pm 4$
l (ps)		$13\pm 1$	$13.3\pm 0.7$
Y		$0.35\pm 0.04$	$0.63\pm 0.05$