[Halla_running] RC meeting today 3:30pm, 2nd floor CH

[Eric Fuchey]

Hello all,
We will hold our daily RC meeting at 3:30 pm, 2nd floor counting house.
zoom info:

Zoom connection link: https://jlab-org.zoomgov.com/j/1616220064
    Meeting ID: 161 622 0064
    Passcode: 314159
Eric

>
> Logentry Text:
> --
> Yesterday day was accelerator maintenance day, so Hall A went to
> restricted.
> Activities during maintenance day:
> - GEM work: attempt to fix several SBS GEM modules
> https://logbooks.jlab.org/entry/4294008
> - Active analyzer work: Bill installed the amplifier and optimized HVs:
> https://logbooks.jlab.org/entry/4294333
> - ECal work;
> Went back from restricted to controlled around 6:00 pm yesterday:
> https://logbooks.jlab.org/entry/4293951
> Work continued afterwards till midnight
>
> Afterwards, several issues prevented accelerator to deliver beam after the
> "promised" time of 8pm:
> - RF issues to south LINAC: https://logbooks.jlab.org/entry/4294130
> - Injector issues: https://logbooks.jlab.org/entry/4294146
> - Beam jitter issues: https://logbooks.jlab.org/entry/4294171
>
> Beam available since 5:50 am.
> We took harp scans: https://logbooks.jlab.org/entry/4294217
> https://logbooks.jlab.org/entry/4294218
> https://logbooks.jlab.org/entry/4294285
> After that, we experienced issues with target:
> - Target ladder got stuck;
> - we tried to reboot IOC to solve it, but PID did not come back properly
> after; https://logbooks.jlab.org/entry/4294238
> - Chandan and Silviu solved the problem (thank you!)
> - needed to hit "Clear Record" to fix the problem.
>
> Problem solved around 7am.
> Then we took carbon hole run:
> https://logbooks.jlab.org/files/2024/05/4294403/summaryPlots_625_SBS_critical_noSBSGEMs.pdf
> Beam is centered. Switched all HVs on and got back to production:
> https://logbooks.jlab.org/entry/4294343
> Then we experienced DAQ issues, due to mssing MPDs:
> https://logbooks.jlab.org/entry/4294362
> They were fixed by powercycling corresponding crate.
> We took our first production data since yesterday:
> https://logbooks.jlab.org/entry/4294386
> This morning, we're implementing, in parallel of data taking, a short plan
> (~30min) to slightly increase argon in GEMs gas mix in order to increase
> productivity: https://logbooks.jlab.org/entry/4294418
>
>
>
>
> ---
>
> This is a plain text email for clients that cannot display HTML.  The full
> logentry can be found online at
> https://logbooks.jlab.org/entry/4294427_______________________________________________
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>


-- 
Eric FUCHEY