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Beam Wire chambers » History » Version 10

Andrew Sutton, 11/15/2019 02:00 PM

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h1. Beam Wire chambers
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We have two chambers used to monitor the secondary beam.
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Almost everything at "Wire Chambers":https://cdcvs.fnal.gov/redmine/projects/novatestbeam/wiki/Wire_chambers applies to the beam chambers.
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Upstream chamber
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* placed just downstream of LArIAT in a break in the beam pipe
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* HV setting:
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* Controller: ftbfwc02 
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Target chamber
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* placed just before the NOvA target in MC7
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* HV setting:
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* Controller: ftbfwc07
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h3. DAQ
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These run using the FTBF wire chamber daq which can be accessed from one of the FTBF machines
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<pre>
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ssh -XY ftbf_user@ftbf-cr-02.fnal.gov
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cd /home/tmp_forJason/EDIT2018/MWPC-MCenter (location subject to change)
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./daq-mcenter_<target || upstream>.py
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data is saved to /home/tmp_forJason/EDIT2018/MWPC-MCenter/data
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</pre>
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h3. Monitoring and Plotting
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There is an on/near-line monitoring script along with an offline version of which are also housed on the FTBF machines. You need to have kinit rights to user extbeams (I need to make this more easily accessible -ATCS).