HAPPEX Charge Asymmetry Feedback
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Revision as of 10:51, 4 November 2008 by Moffit (Talk | contribs) (First submit of the description.)
The HAPPEX DAQ is run to provide beam charge asymmetry feedback for the Polarized 3He experiments. This page will briefly describe the the system, and how to recover it if it does not work.
Contents
Introduction - The Feedback Loop
Summary of the components (pink boxes):
Polarized Source - IA Cell
Hall A - Beam Current Monitor
HAPPEX DAQ - Counting House Crate
Parity Analyzer (PAN) - compiled specifically for feedback
Summary of the communications (arrows)
