This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
tuning_the_s800_xdt [2017/07/21 17:35] pereira [CRDCs setup] |
tuning_the_s800_xdt [2018/03/10 14:13] pereira [FP scintillator setup] |
||
---|---|---|---|
Line 80: | Line 80: | ||
* 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 **/ | + | * Select **[[s800 SpecTcl|Spectcl]]** window **S800_SCINT.win** in directory **/ |
Line 136: | Line 136: | ||
* Spectra **crdc1.raws** and **crdc2.raws** | * Spectra **crdc1.raws** and **crdc2.raws** | ||
- | * Each spectra shows the multiple sampled | + | * Each spectra shows the pad signals |
- | * These are good spectra to check if the pad thresholds are properly set. Thresholds are too low if you see that all pads are firing at low energies. If that's the case, increase the pad thresholds in files **s800crdcv1.tcl** and **s800crdcv2.tcl**, | + | |
* The 224 pads are assembled along the dispersive direction | * The 224 pads are assembled along the dispersive direction | ||
* Width of beam peak is proportional to A1900 p-acceptance in focus optics | * Width of beam peak is proportional to A1900 p-acceptance in focus optics | ||
* Width is narrower in match optics | * Width is narrower in match optics | ||
* Adjust anode HV to bring fuzzy maximum to around 600-700 channels (saturation of each pad at ~ 1000 ch) | * Adjust anode HV to bring fuzzy maximum to around 600-700 channels (saturation of each pad at ~ 1000 ch) | ||
+ | * These are good spectra to check if the pad thresholds are properly set. Thresholds are too low if you see that all pads are firing at low energies. If that's the case, increase the pad thresholds in files **s800crdcv1.tcl** and **s800crdcv2.tcl**, | ||
* Spectra **crdc1.anode_crdc1.tac** and **crdc2.anode_crdc2.tac** | * Spectra **crdc1.anode_crdc1.tac** and **crdc2.anode_crdc2.tac** |