A 2+1-dimensional plot of measured kinematic variables (energy-subsituted mass vs. deltaE) of the particle decay
B0 -> D*+D*- events from one year (20.7 fb-1) of
BaBar data.
The presence of the peak clearly demonstrates signal for this channel.
Fit (overlaid)
is to ARGUS parametrization x linear (for background) + double gaussian x double gaussian (for
signal).
