STR8 Oneshot/Stretch_Or  tests (May/6/05)

STR8 request form

Shift log activities: Day, Swing
See Run database for run ranges 135002061-135002090 for run config/data details 

Tower A at grid 0: TkrFMA, CAL FM104
Tower B at grid 4: TkrFMB, CAL FM105 
Muon telescope vertically over tower B 
Tower A always in standard configuration. Tower B layer combinations varied.     

Run STRETCH_OR Tower B Layers Results/Comments
Stretch_OR delay and rate tests with Tower B alone *:
135002061 0 All TKR&EXT=74+-3%  TreqTKR=10.2+-0.03
135002062 1 All TKR&EXT=20%  TreqTKR=9.9
135002063 31 All TKR&EXT=73%  TreqTKR=10.2
135002067 0 All set GTRC csr LD_stretch bit=0. No effect. 
135002068 0 0,1,2  TKR&EXT=56%  TreqTKR=11.8
135002069 4 0,1,2  TKR&EXT=36%  TreqTKR=11.1 
135002070 2 0,1,2  TKR&EXT=14%  TreqTKR=10.6 
135002071 6 0,1,2  TKR&EXT=49%  TreqTKR=11.2 
135002072 8 0,1,2  TKR&EXT=52%  TreqTKR=11.6
135002073 10 0,1,2  TKR&EXT=58%  TreqTKR=11.5 
135002074 12 0,1,2  TKR&EXT=59%  TreqTKR=11.5

Stretch_OR efficiency tests with two towers **:

135002064 0 0,1,2   
135002065 31 0,1,2  Ended abnormally with many TEM errors. 
135002076 4 0,1,2   
135002077 12 0,1,2  Ended with many TEM,TrgParity errors.  
135002079 12 0,1,2  Redo  
135002080 0 15,16,17  
135002092 4 15,16,17   
135002093 12 15,16,17   
135002095 0 8,9,10  Many TEM errors towards end of run. 
135002101 4 8,9,10  After power cycle TEM. Enabled tower B busy. 
135002102 12 8,9,10   

*   Stretch_OR delay and rate tests used single tower Time_in script with all Treq delays=0. GEM win=31. CAL TACK=24. 

**  Efficiency runs setting based on two tower tests below:  
TKR Treq=3,4; CAL Treq=0,0; EXT Treq=14; TKR TACK=0; CAL TACK=44,45 GEM WIN=12.

One-shot Tests ***:
Run Type Stretch_Or Periodic dT Comments
135002081 Qinj doublet 0 550 Half of events had TEM errors
135002082 Qinj doublet 0 850
135002083 Qinj doublet 0 900
135002084 Qinj doublet 0 950
135002085 Qinj doublet 12 550 Half event TEM errors again.
135002086 Qinj doublet 12 850  
135002087 Qinj doublet 12 700  TEM errors.
135002088 Qinj doublet 0 700  TEM errors.
135002089 1 Qinj + TKR trig 0 N/A  Qinj at 100Hz
135002090 1 Qinj + TKR trig 12 N/A  

*** One-shot tests are performed with both towers on. 1 channel per GTFE Qinj DAC=63 (~5 MIPs). Using periodic trigger doublet to drive tests at 10Hz. Also performed single Qinj and Tower B TEM busy enable was not set for all the runs. TKR TACK=40; CAL TACK=90.