Needs for Electron Trigger in PHENIX
reaction rates (w/ blue book luminosity)
- 200 A GeV Au+Au
- 6 barn x 2e26 cm-2sec-1 = 1.2 kHz
- 200 GeV p+p
- 50 mb x 8e30 cm-2sec-1 = 400 kHz (4 MHz later)
- 500 GeV p+p
- 60 mb x 2e31 cm-2sec-1 = 1.2 MHz (12 MHz later)
DAQ capability
- designed for 25 kHz (6 kHz initially)
- proven to work at > 1 kHz