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tuning_the_s800_xdt [2015/10/26 14:09] pereira [Follow-up] |
tuning_the_s800_xdt [2015/10/26 14:11] pereira [Analysis line classic PPAC setup (Focus optics only)] |
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==== Analysis line classic PPAC setup (Focus optics only) ==== | ==== Analysis line classic PPAC setup (Focus optics only) ==== | ||
+ | **THIS SECTION IS STILL IN PROGRESS** | ||
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+ | ====== Follow-up ====== | ||
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+ | * Before leaving beam with experimenters | ||
+ | * Set up current trip points on Linux HV controls | ||
+ | * Values used for K-48 | ||
+ | * 5 for CRDC and Ion Chamber anodes and intermediate image ppacs | ||
+ | * 50 for CRDC drifts | ||
+ | * 80 for IC drift | ||
+ | * Ensure alarms are running | ||
+ | * Make sure Linux HV GUI alarms are enabled | ||
+ | * Make sure threshold on isobutane level is set up (not currently connected to alarms because they give too many false alarms when communication is lost) | ||
+ | * All logs are being recorded | ||
+ | * There is no log file for biases controlled by Labview | ||
+ | * Linux HV | ||
+ | * LabView gas handling system | ||
+ | * Note in logbook | ||
+ | * Scintillator biases | ||
+ | * IC gate biases | ||
+ | * Post reference printouts for experimenters | ||
+ | * HV status: a snapshot of HV GUI | ||
+ | * Gas handling system status: a snapshot of LabView window | ||
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+ | * Create window configuration with summing regions to make it easier for experimenters to track efficiency/ | ||
+ | |||
+ | * Setting up coincidences for additional reaction settings in an experiment | ||
+ | * Do not need to redo coincidence settup if secondary beam does not change | ||
+ | * Might need to redo coincidence setup if secondary beam changes drastically | ||
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+ | * To watch during experiment | ||
+ | * Look for isobutene running out – messes up data over several hours | ||
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+ | * Implementing dE- or TOF-based corrections is part of EXR | ||
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+ | More detail needed | ||
+ | Minimum rates required for coincidence setup | ||
+ | Selection of appropriate substitute reactions for coincidence setup | ||
+ | How to feel comfortable that there will not be a problem with FP detector gases running out | ||
+ | Starting alarms | ||
+ | Starting logging | ||