The BAcking Calorimeter Home Page

The BAcking Calorimeter (described in ZEUS detector status report) was built to fulfill two tasks: to preserve hermetic hadron jets energy measurement and to aid tracking of muons passing through the iron yoke of the detector. To measure energy of hadron shower leakages out of the central uranium calorimeter and to correct jet energy measurement BAC was equipped in the analog readout, giving precise information on the deposited energy but only approximate deposit position. To enable muon tracking in the iron yoke the complementary digital readout (the so called HIT readout) was designed, giving basicly no information about the deposited energy, but exact position in two dimensions. This information can be also used for better positioning of shower leakages and for discrimination between leaking hadron cascades and muons.

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BAC information:

• BAC experts
  
  
• BAC handy:

  015114727858

• Shift Crew instructions
  
  
• BAC related notes
  
  
• BAC Laze events
  
  
• Off-line DQM
  
  

• How to use BAC:

  • BAC reconstruction
    
    
  • MuBac - Muons in BAC (user interface) and ADAMO table for BAC muons
    
    
  • Energy measurement: recomended tools and ADAMO table for leakages
  
  
• BAC ADAMO schemes XXOUT0 - raw data and XXOUT1 - reconstructed data
  
  
• The BAC group
  
  

Experts info:

• Safety instruction
  

• information for BAC experts

• WWW interface to BAC Slow Control

• SpectraBrowser user manual

Pawel Plucinski
Last modified: September 18, 2005