[BLAST_ANAWARE] collimator wings update

From: Eugene J. Geis (Eugene.Geis@asu.edu)
Date: Wed Apr 21 2004 - 15:08:53 EDT


Please note LADS are currently OFF which decreases e'n trigger significantly...
Singles has a factor of two more electrons... Tracking seems more efficient in
all triggers... Still must have LADS ON for definite conclusion

  
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>> BEFORE WINGS <<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Total Events analyzed: 245334
Percentage tracked: 33.069202

*******************************************************************
Ratios of expected physics vs. positive charge yield

****************** Trigger == 1, aka: e'p *******************

Percentage of Trigger 1 events: 13.6557
Percentage of Trigger 1 events with tracking: 15.6856
Actual number of events with tracking: 5255

good stuff (positive and negative in respective sectors (tracked))
good percentage: 68.4491

bad stuff (positive in both sectors (tracked))
bad percentage: 17.4881
                        ------------------

ratio of bad to good: 0.26 : 1

****************** Trigger == 2, aka: e'n *******************

Percentage of Trigger 2 events: 24.1895
Percentage of Trigger 2 events with tracking: 21.0599
Actual number of events with tracking: 12498

good stuff (negative in a sector (tracked))
good percentage: 4.9288

bad stuff (positive in a sector (tracked))
bad percentage: 90.4465
                        ------------------

ratio of positrons to electrons: 18.35 : 1

**************** Trigger == 7, aka: inclusive ****************

Percentage of Trigger 7 events: 55.6360
Percentage of Trigger 7 events with tracking: 37.1489
Actual number of events with tracking: 50706

good stuff (negative in a sector (tracked))
good percentage: 2.5007

bad stuff (positive in a sector (tracked))
bad percentage: 76.4130
                        ------------------

ratio of positrons to electrons: 30.56 : 1

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>> AFTER WINGS <<<<<<<<<<<<
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

Total Events analyzed: 100002
Percentage tracked: 45.820084

*******************************************************************
Ratios of expected physics vs. positive charge yield

****************** Trigger == 1, aka: e'p *******************

Percentage of Trigger 1 events: 18.1096
Percentage of Trigger 1 events with tracking: 29.7018
Actual number of events with tracking: 5379

good stuff (positive and negative in respective sectors (tracked))
good percentage: 74.3075

bad stuff (positive in both sectors (tracked))
bad percentage: 20.9147
                        ------------------

ratio of bad to good: 0.28 : 1

****************** Trigger == 2, aka: e'n *******************

Percentage of Trigger 2 events: 5.1089
Percentage of Trigger 2 events with tracking: 55.0793
Actual number of events with tracking: 2814

good stuff (negative in a sector (tracked))
good percentage: 7.7114

bad stuff (positive in a sector (tracked))
bad percentage: 91.0803
                        ------------------

ratio of positrons to electrons: 11.81 : 1

**************** Trigger == 7, aka: inclusive ****************

Percentage of Trigger 7 events: 69.4086
Percentage of Trigger 7 events with tracking: 42.7157
Actual number of events with tracking: 29649

good stuff (negative in a sector (tracked))
good percentage: 6.0103

bad stuff (positive in a sector (tracked))
bad percentage: 85.5509
                        ------------------

ratio of positrons to electrons: 14.23 : 1



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