Offline Shift System - HELP

Pass2 Processing

Examine Recon stat. files  The number of Z passing the 'Energy' filter should also be 1:2 with the LUM bhabhas (from the Filter STATS file).

All diagonal elements of the filter correlation matrix should be non-zero (for a reason number of input events).

line in file

description
RUN_NUMBER 38605 obvious
EVTS_SEEN 137 PASS1 candidates
HADRONS 83 QCD filter based on track multiplicities, etc
L/R asy for phys/trk, HAD candidates First number is for all candidate events, 2nd for EIT2 Z's
-0.241 +/- 0.085 -0.226 +/- 0.104
Pol error rate for phys/trk, HAD candidates rate of polarization bit disagreements for all candidate events and for EIT2 Z's
0.0000 0.0000
Ave Z at IP 0.1835 <z> at DOCA to IP from all tracks
Filter Pass Rate PASS2 filters:
  • Energy: EIT2 KAL energy filter
  • TaKAL: ALR tracking assisted KAL filter
  • WAB: Wide angle bhabhas
  • Muon: mu-pairs from WIC strips & tracks
  • Tau: tau filter
Energy TaKal WAB Muon Tau
93 87 9 3 91
Filter Correlation matrix (norm to I/P events) Filter correlation matrix, normalized to the number of PASS1 events input.
Energy TaKal WAB Muon Tau
0.679
0.635 0.635
0.000 0.000 0.066
0.000 0.000 0.000 0.022
0.613 0.606 0.015 0.022 0.664
Hadrons_&_HAD_trigger= 88 EIT2 Z + CDC-on
EIT_&_HAD_trigger= 87 EIT2 Z + Hadron trigger fired (shows track-based trigger OK)
Date 1317 JY_Z_day2 0 JY_CDC_day2 0 daily Z accounting: # days from 1 Feb 1994, number of Z's spilling over into next calendar day.
EIT2_&_CRID_HV_ON= 80 EIT2 Z's + CRID HV on. Shows CRID operation rate.

Page Owner: Tony Johnson Updated: November 14, 2001