Preshower Trigger

Mrinmoy Bhattacharjee

The FPS helps/extends EM trigger between +/-(1.5,2.5) in pseudorapidity.

-> e-/Gamma separation at trigger level.
-> Reduce Background Rate.

Technical Design Report of the FPS

L2 Preshower Preprocessor TDR

Document

L1+L2 Single Electron Efficiency (CPS+CAL)

L1+L2 Efficiency (CPS+CAL)

L2 Efficiency (CPS+CAL)

Studies Performed//Underway

Mrinmoy Bhattacharjee

Beam Test of FPS modules in summer 1997.
Study Response & MIP Calibration.

FPS Test Beam '97 D0NOTE 3398

L1 electron/photon Trigger algorithms for FPS.
Efficiency (single particles) & Rates (dijets) studied.

L1 Preshower Trigger D0NOTE 3493

L2 electron/photon Trigger algorithms for FPS & ECAL.
Efficiency (single particles) & Rates (dijets) studied.

L2 Preshower Trigger D0NOTE 3614

L1 and L2 Data Format for the Preshowers (FPS & CPS).

L1/L2 Data Format Draft Note

Studies with W+Jets, Z+Jets, WW events (Central+Forward).

L2 Trigger Note Under Progress

L1 EM Trigger Rates

Mrinmoy Bhattacharjee

Rates for L1 EM (high pT) triggers studied with dijets + 2MinBias events.

L2 Preshower Trigger Crate

Timing Studies for L2 Preshower Preprocessor

Mrinmoy Bhattacharjee

L2 Preshower Preprocessor Software

Mrinmoy Bhattacharjee

(Order corresponds to class dependency)

Alpha Worker code + L2 Cluster writeout	header	& implementation file
L2 Preshower Cluster Data	header	& implementation file

Event Processing Code

Event Processor

implementation file