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tuning_the_s800_xdt [2015/10/29 13:38]
pereira [Timing setup]
tuning_the_s800_xdt [2016/03/13 16:18]
pereira [FP scintillator setup]
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           * End and Begin **[[s800 daq tools#Run Control Window|ReadoutGUI]]** to assert new trigger condition           * End and Begin **[[s800 daq tools#Run Control Window|ReadoutGUI]]** to assert new trigger condition
  
-  * Select **[[s800 SpecTcl|Spectcl]]** window **S800_SCINT.win** in directory **/user/s800/operations/spectcl/s800v7/Windows**+  * Select **[[s800 SpecTcl|Spectcl]]** window **S800_SCINT.win** in directory **/user/s800/operations/spectcl/s800v7/Windows**. (NOTE: Spectra definition files can be found in directory **/user/s800/operations/spectcl/s800v7/Definitions**. A good file with useful spectra is **s800xdt.tcl**) 
  
   * Adjust **[[hv bias|bias]]** looking at 2D spectra **e1.deup_e1.dedown** (showing the parameters s800.fp.e1.de_down vs. s800.fp.e1.de_up) for the FP E1 scintillator   * Adjust **[[hv bias|bias]]** looking at 2D spectra **e1.deup_e1.dedown** (showing the parameters s800.fp.e1.de_down vs. s800.fp.e1.de_up) for the FP E1 scintillator
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       * Make a gate on spectrum **IC.SUM** selecting the region of interest, and call it "IC"       * Make a gate on spectrum **IC.SUM** selecting the region of interest, and call it "IC"
       * Looking at the ToF spectra gated on "IC" compare the recorded events in the spectra with the number of events in the gate       * Looking at the ToF spectra gated on "IC" compare the recorded events in the spectra with the number of events in the gate
-      * The window file **S800_TOF_EFFICIENCY.win** includes all the spectrum needed.+      * The window file **S800_TOF_EFFICIENCY.win** includes all the spectra needed
  
  
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               * What experimenters want (e.g., if they want singles, the cut has to be more restrictive to limit acquisition deadtime)               * What experimenters want (e.g., if they want singles, the cut has to be more restrictive to limit acquisition deadtime)
           * Move blocker, decrease attenuator, repeat           * Move blocker, decrease attenuator, repeat
 +
 +      * If necessary, do the ToF corrections to improve the PID resolution (instructions [[During experiments#Particle identification corrections|here]])
  
  
tuning_the_s800_xdt.txt · Last modified: 2023/09/22 15:15 by swartzj