| Variable | Definition |
| L2CTT_PSmatchinfo | either a 1 or a 0, depending on whether or not there is preshower match |
| L2CTT_isolation | |
| L2CTT_l2isolation | |
| L2CTT_ncttcft | the number of CTT hits in the event |
| L2CTT_phi0 | the azimuthal angle of the track at the interaction point |
| L2CTT_phiem3 | the azimuthal angle of the track at em3 (shower max) |
| L2CTT_scaledPt | The transverse momentum times four |
| L2CTT_trksign | 0 or 1, whether the track is positive or negative |