GlueX Start Counter Meeting, October 30, 2023

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GlueX Start Counter Meeting
Monday, October 30, 2023
9:00 am EDT

Meeting information: https://jlab-org.zoomgov.com/j/1604147172?pwd=QjRtMDRRQ0lVNW5oVVA0VmFMSnh1dz09
Benedikt Zihlmann is inviting you to a scheduled ZoomGov meeting.
Topic: Start Counter

Agenda

    • Start_Counter_Operations
    • Geometry: SC match to tracks
    • Preparation for next year's running
      • FADC250_READ_THR 120: (Runs 41384, 120848) needs to be higher, 20 ADC counts above base line is too low. Full scale of 4096 bits is 500mV with a base line around 100 leads to 500mV/(4096-100) = 0.12mV / ADC count: So a setting of 20 ADC counts above base line corresponds to only 2.5mV
      • DSC2_THRESHOLD 50 60: this corresponds to 50mV for discriminator threshold setting.
      • while adc readout threshold is clearly set too low the discriminator threshold may be too high. Need to find compromise and better match.

Minutes

present:


Action Items

Slides

Talks can be deposited in the directory /group/halld/www/halldweb/html/talks/2023 on the JLab CUE. This directory is accessible from the web at https://halldweb.jlab.org/talks/2023/ .

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