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tuning_the_s800_xdt [2015/10/26 13:21] pereira [Timing setup] |
tuning_the_s800_xdt [2015/10/26 13:58] pereira [Checking Particle ID and rate at S800 FP] |
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* If necessary, adjust delays: | * If necessary, adjust delays: | ||
- | * Using ULM GUI assign TDC-start to one of the Inspect Trigger channels and trigger the scope with it | + | * Using the [[S800 DAQ tools# |
- | * Select the timing signals (Delay inspect channels) E1 up, OBJ and XFP with the Delay GUI and look at them in the scope | + | * Select the timing signals (Delay inspect channels) E1 up, OBJ and XFP with the [[S800 DAQ tools#Delay Window|Delay GUI]] and look at them in the scope |
- | * Adjust the TDC delays of OBJ and XFP using the delay boxes connected to the CANBERRA CFD in data U6 | + | * Adjust the TDC delays of OBJ and XFP using the delay boxes connected to the CANBERRA CFD 454 in data U6 |
* Adjust the TDC delays of E1 up, down using the Delay GUI | * Adjust the TDC delays of E1 up, down using the Delay GUI | ||
* In principle, the TACs delays don't need to be adjusted | * In principle, the TACs delays don't need to be adjusted | ||
==== Checking Particle ID and rate at S800 FP ==== | ==== Checking Particle ID and rate at S800 FP ==== | ||
- | | + | |
- | * Refer to information on setting from A1900 FP | + | * Select SpecTcl window **S800_PID.win** in directory **/ |
- | * dE-TOF | + | * The three columns correspond |
- | | + | * The first (top) row corresponds to the Phillips TDC |
- | | + | * The second row corresponds to the MTDC with just the first hit included |
- | | + | * The third row corresponds |
- | * Document | + | * You might need to adjust the limits of the spectra to get a good resolution |
- | * Measure beam current with appropriate Faraday cups | + | |
- | * Timed run | + | {{: |
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+ | * Determine the blob that corresponds to the unreacted beam (refer to information on setting from A1900 FP) | ||
+ | * Take gates around the fragment of interest | ||
+ | * Measure the beam intensity the appropriate faraday cup | ||
+ | * Take a run on disk | ||
+ | * Measure | ||
+ | * In **[[s800 SpecTcl|SpecTcl GUI]], click **Attach to File** and select data file **run-xxxx-xx.evt** in directory **/ | ||
+ | * Check the run time and live time from the corresponding scaler file in directory **/ | ||
+ | * Calculate the rate and purity and compare with the value in the A1900 FP to determine the transmission | ||
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