DELPHI Event r064284e004722
from the 130-140 GeV Run
e+ e- ---> e+ e- q qbar
From 136.2 GeV run.
Gamma-Gamma interaction into q-qbar with 21 GeV visible energy.
Characteristics :
Evis = 21 GeV , Mvis = 20 GeV
Emiss = 115 GeV, Mmiss = 155 GeV, P_{t,miss} = 2.2 GeV.