[Rgc] [New Logentry] RC summary September 19

[hauenst at jlab.org]

Logentry Text:
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<p>Welcome to RC summary September 19:</p><p>Again a rather smooth 24h. During Day shift yesterday we switched 1/2 wave plate to IN. We collected about 410M trigger events with NH3- and 1/2 wave plate OUT.</p><p>During Swing shift, a check for bleed through from HallC was performed (https://logbooks.jlab.org/entry/4043608). No bleed through with HallC at 30uA. We need to recheck when HallC will push for current later today or tomorrow.</p><p>During Owl, we get troubles with HVECAL crate sector 5 communication. Soft reset didnt help. Per advice of Nathan, we waited with hard reset till Hall access was possible because the whole crate could go down. We run 2h with some parts of ECAL off. During beam downtime at 8, we did hard reset and crate indeed required intervention in the Hall. Nathan found also 3 channels which went automatically on (see details in his logbook entry https://logbooks.jlab.org/entry/4044041).</p><p>So far we have about 320M triggers with negative polarizat!
 ion and 1/2 plate IN. </p><p>Plans:</p><ul><li>Some raster tweaks. Raster plots show increased rate on the bottom</li><li>Continue running on NH3 till tomorrow. Switching 1/2 plate some time during swing shift </li><li>Move to ND3 tomorrow during RF recovery</li></ul><p>There will be a RC meeting today at 2pm: https://jlab-org.zoomgov.com/j/1608674253?pwd=SFZyYmZLWXJieGtpV2dEdVRiUEJnUT09&from=addon</p><p>Best,</p><p>Florian</p>

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