ADAM results from the May 95 SCT beam test, and an update on the Higgs to four lepton analysis

The Atlas Detector Analog Memory (ADAM) chip has been designed for use at the Large Hadron Collider as a digital front end readout for the μ-strip detectors used in the ATLAS semiconductor Tracker (SCT). A particle level study has been done and shows that is possible to see a signal above background. the main cut against the background being impact parameter and calorimeter isolation cuts. The current analysis involves repeating the particle level study, however using a full simulation of the ATLAS detector using the GEANT package. In particular the impact of the Inner tracker design on this decay channel is being investigated. A full simulation of Higgs and tt-bar events was performed using the geometry described in the ATLAS technical proposal. A full reconstruction was performed using electro-magnetic calorimeter ( EM) clusters as track seeds. A crude EM calibration, using simulated electrons at four different energies, was also performed to correct for the energy. Preliminary results indicate that the impact parameter cut against the tt-bar background doesn't work when doing a full detector simulation