New shower maximum trigger for electrons and photons at CDF

Conference · Thu Jul 28 00:00:00 EDT 1994

OSTI ID:10180129

Amidei, D; Burkett, K; Gerdes, D; Miao, C; Wolinski, D ^[1]; Byrum, K; Dawson, J; Nodulman, L; Wicklund, A B ^[2]

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1. Michigan Univ., Ann Arbor, MI (United States). Randall Lab. of Physics
2. Argonne National Lab., IL (United States)

For the 1994 Tevatron collider run, CDF has upgraded the electron and photo trigger hardware to make use of shower position and size information from the central shower maximum detector. For electrons, the upgrade has resulted in a 50% reduction in backgrounds while retaining approximately 90% of the signal. The new trigger also eliminates the background to photon triggers from single-phototube spikes.

• Research Organization: Argonne National Lab., IL (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States); National Science Foundation, Washington, DC (United States)
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 10180129
• Report Number(s): ANL-HEP-CP-94-43; CONF-940816-3; ON: DE94018376
• Resource Relation: Conference: 8. meeting Division of Particles and Fields of the American Physical Society,Albuquerque, NM (United States),2-6 Aug 1994; Other Information: PBD: 28 Jul 1994
• Country of Publication: United States
• Language: English

Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
43 PARTICLE ACCELERATORS
FERMILAB COLLIDER DETECTOR
TRIGGER CIRCUITS
MODIFICATIONS
FERMILAB TEVATRON
SHOWER COUNTERS
INTERMEDIATE VECTOR BOSONS
EFFICIENCY
CROSS SECTIONS
TRANSVERSE ENERGY
ELECTRON DETECTION
GAMMA DETECTION
440104
430303
HIGH ENERGY PHYSICS INSTRUMENTATION
EXPERIMENTAL FACILITIES AND EQUIPMENT