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tuning_the_s800_xdt [2023/09/20 13:51]
swartzj
tuning_the_s800_xdt [2023/09/22 14:48]
swartzj [FP scintillator setup]
Line 44: Line 44:
  
   * Use oscilloscope to look at analog signal patched out to data U4    * Use oscilloscope to look at analog signal patched out to data U4 
-      * Check raising time and amplitude. Good signal: ~10 ns raising time; 400-500 mV amplitude+      * Check rise time and amplitude. Good signal: ~10 ns rise time; 400-500 mV amplitude
       * Check if there are reflections (typically seen at ~300 ns after main peak)       * Check if there are reflections (typically seen at ~300 ns after main peak)
    
Line 91: Line 91:
             * Adjust biases so that unreacted beam are at 1/3 to 1/4 of dynamic range             * Adjust biases so that unreacted beam are at 1/3 to 1/4 of dynamic range
             * Reaction product will typically be similar enough to unreacted beam particles             * Reaction product will typically be similar enough to unreacted beam particles
-        * Different particles with different energy loss will shift the curve corresponding to particles covering whole FP+        * Different particles with different energy losses will shift the curve corresponding to particles covering whole FP
                                          
             {{:wiki:E1-updown.png?500|S800 spectra E1 down vs. E1 up.}}             {{:wiki:E1-updown.png?500|S800 spectra E1 down vs. E1 up.}}
tuning_the_s800_xdt.txt ยท Last modified: 2023/09/22 15:15 by swartzj