|
|
| Line 10: |
Line 10: |
| | | | |
| | | | |
| − | = Wednesday July 13 = | + | = Thursday July 14 = |
| | | | |
| | === Past 24 hours === | | === Past 24 hours === |
| Line 35: |
Line 35: |
| | * Switch to empty target this afternoon | | * Switch to empty target this afternoon |
| | * RF Recovery Thursday (beam down 8.15 till ~5pm) | | * RF Recovery Thursday (beam down 8.15 till ~5pm) |
| − |
| |
| − | = Tuesday July 12 =
| |
| − |
| |
| − | === Past 24 hours ===
| |
| − | * David Lawrence acting RC for 24hr (hand back to Ilya late this afternoon)
| |
| − | * >2.5B events
| |
| − | * mostly production running with some trigger work
| |
| − |
| |
| − | === Shift Reports ===
| |
| − | * [https://logbooks.jlab.org/entry/4013902 Day shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4014061 Swing Shift Summary 07-11-22], [https://logbooks.jlab.org/entry/4014071 Remote Shift Worker Swing 7/11/22]
| |
| − | * [https://logbooks.jlab.org/entry/4014180 Owl Shift Summary, July 11]
| |
| − | * [https://logbooks.jlab.org/entry/4014251 Shift Summary - Early riser shift 07/12/2022], [https://logbooks.jlab.org/entry/4014250 Remote shift worker Riser]
| |
| − |
| |
| − | === Reports ===
| |
| − | * [https://logbooks.jlab.org/entry/4013899 Follow-up Re: Rho polarization as a function of beam energy]
| |
| − | * [https://logbooks.jlab.org/entry/4014028 Asymmetries for JD70-105 0/90 PERP]
| |
| − | * [https://logbooks.jlab.org/entry/4013946 direct correlation between ebeam Y position and currents in FMWPC]
| |
| − | * [https://logbooks.jlab.org/entry/4014137 CPP trigger rate, mask one FCAL ring]
| |
| − | * [https://logbooks.jlab.org/entry/4014167 Extrapolations of today's wire scans]
| |
| − | * [https://logbooks.jlab.org/entry/4014297 Beam RMS at AC July 1 to 11]
| |
| − | * [https://logbooks.jlab.org/entry/4014304 FMWPC hit time distributions look ok]
| |
| − |
| |
| − | === Issues ===
| |
| − | * Beam stability in Y - MCC informed and will address
| |
| − | * BCAL/FCAL LED trigger found off
| |
| − | * [https://logbooks.jlab.org/entry/4013856 CPP Chamber gas flow]
| |
| − | ** [https://logbooks.jlab.org/entry/4013926 FMWPC currents are back up]
| |
| − | * [https://logbooks.jlab.org/entry/4013859 Pressure on DIRC north barbox corrected]
| |
| − |
| |
| − | === Plans ===
| |
| − | * Continue production on lead
| |
| − | * Hold off changing target until after 4pm
| |
| − | * RF Recovery Thursday (beam down)
| |
| − |
| |
| − | = Friday July 8 - Sunday July 10 =
| |
| − |
| |
| − | === Past 72 hours ===
| |
| − |
| |
| − | * 6B events on lead have been collected
| |
| − | * FMWPC 1 noise level increased yesterday evening [https://logbooks.jlab.org/entry/4013708],
| |
| − | ** Beni noticed the chamber HV might be OFF [https://logbooks.jlab.org/entry/4013790]
| |
| − | ** Gas supply logentry [https://logbooks.jlab.org/entry/4013766]
| |
| − | ** MWPC1/4 noise level time progress [https://userweb.jlab.org/~ilarin/cpp/mwpc_occ_degradation.pdf]
| |
| − |
| |
| − | * DAQ livetime looks much better after switching to writing data in two files simultaneously
| |
| − | * Friday evening harp scan [https://logbooks.jlab.org/entry/4012897] [https://logbooks.jlab.org/entry/4012901] [https://gryphn.phys.uconn.edu/halld/cobrems/harptool_2d.cgi?harp5C11_xsigma=1.293&harp5C11_xsigma_err=0.03&harp5C11_usigma=0.997&harp5C11_usigma_err=0.03&harp5C11_ysigma=1.015&harp5C11_ysigma_err=0.03&harp5C11B_xsigma=1.076&harp5C11B_xsigma_err=0.05&harp5C11B_usigma=0.8206&harp5C11B_usigma_err=0.05&harp5C11B_ysigma=0.931&harp5C11B_ysigma_err=0.15&radHarp_xsigma=1.039&radHarp_xsigma_err=0.02&radHarp_usigma=1.087&radHarp_usigma_err=0.02&radHarp_ysigma=0.8327&radHarp_ysigma_err=0.02&harp5C11_spos=102.97&harp5C11B_spos=115.11&emittance_x=0.0041&radHarp_spos=119.7&emittance_y=0.00233&collimator_spos=194.92&fit=fit+and+plot extrapolation]
| |
| − | * Sunday morning harp scan [https://logbooks.jlab.org/entry/4013474 5C11] [https://logbooks.jlab.org/entry/4013475 5C11B] [https://logbooks.jlab.org/entry/4013479] [https://gryphn.phys.uconn.edu/halld/cobrems/harptool_2d.cgi?harp5C11_xsigma=1.51&harp5C11_xsigma_err=0.03&harp5C11_usigma=1.04&harp5C11_usigma_err=0.03&harp5C11_ysigma=1.181&harp5C11_ysigma_err=0.03&harp5C11B_xsigma=1.165&harp5C11B_xsigma_err=0.05&harp5C11B_usigma=0.8986&harp5C11B_usigma_err=0.05&harp5C11B_ysigma=1.028&harp5C11B_ysigma_err=0.15&radHarp_xsigma=1.141&radHarp_xsigma_err=0.02&radHarp_usigma=1.171&radHarp_usigma_err=0.02&radHarp_ysigma=0.8437&radHarp_ysigma_err=0.02&harp5C11_spos=102.97&harp5C11B_spos=115.11&emittance_x=0.0041&radHarp_spos=119.7&emittance_y=0.00233&collimator_spos=194.92&fit=fit+and+plot extrapolation]
| |
| − | * Hall-D strip charts
| |
| − | ** Friday [https://logbooks.jlab.org/entry/4013160 Beni]
| |
| − | ** Saturday [https://logbooks.jlab.org/entry/4013403 Simon]
| |
| − | ** Sunday [https://logbooks.jlab.org/entry/4013591 Arshak]
| |
| − |
| |
| − | === Shift reports ===
| |
| − | * [https://logbooks.jlab.org/entry/4012676 Friday day shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4012861 Friday swing shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4012952 Friday owl shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4013044 Saturday early riser shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4013166 Saturday day shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4013264 Saturday swing shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4013337 Saturday owl shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4013408 Sunday early riser shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4013486 Sunday day shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4013580 Sunday swing shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4013649 Sunday owl shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4013717 Monday early riser shift summary]
| |
| − |
| |
| − | === Reports ===
| |
| − | * New high voltages were loaded for FCAL [https://logbooks.jlab.org/entry/4012655]
| |
| − | * Hovanes has updated AMO radiator position [https://logbooks.jlab.org/entry/4012808]
| |
| − |
| |
| − | === Issues ===
| |
| − | * Tagger NMR communication will be worked out this week (Tim) [https://logbooks.jlab.org/entry/4012702]
| |
| − | * Beam instability in y [https://logbooks.jlab.org/entry/4013571 Beni]
| |
| − |
| |
| − | === Plans ===
| |
| − | * Continue production on lead
| |
| − | * unmask FCAL modules in the trigger
| |
| − |
| |
| − |
| |
| − | = Thursday July 7 =
| |
| − |
| |
| − | === Past 24 hours ===
| |
| − |
| |
| − | * harp scans were done during short beam on period during day-time, some distributions show 1/100 peak/shoulders ratio others 1/10,000 [https://logbooks.jlab.org/entry/4012157] [https://logbooks.jlab.org/entry/4012169]
| |
| − | * Dominion Power's work required a voltage reduction so we had tagger, PS and sweep magnets off for a couple of hours
| |
| − | * collected cosmics and LED runs during daytime, and production on lead (about 8 hrs) during night time
| |
| − | * Beni: beam was quite stable overnight [https://logbooks.jlab.org/entry/4012625]
| |
| − |
| |
| − | === Shift reports ===
| |
| − | * [https://logbooks.jlab.org/entry/4012170 day shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4012365 swing shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4012468 owl shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4012564 early riser shift summary]
| |
| − |
| |
| − | === Reports ===
| |
| − | * Sasha checked FCAL trigger rate without masking inner layers. Preliminary result for the rate was 14kHz [https://logbooks.jlab.org/entry/4012436]
| |
| − | * Hovanes pointed out, that we don't observe 60Hz oscillations now [https://logbooks.jlab.org/entry/4012466]
| |
| − |
| |
| − | === Issues ===
| |
| − | * Problems with running at 30nA on AMO, radiator thickness was reduced to 3*10^-4 this night,
| |
| − | as 4.5*10^-4 was causing IOC trips [https://logbooks.jlab.org/entry/4012504] [https://logbooks.jlab.org/entry/4012514]
| |
| − | * Alexandre just noticed that Tagger magnet NMR communication is down again [https://logbooks.jlab.org/entry/4012611]
| |
| − | * DIRC major alarm has been acknowledged [https://logbooks.jlab.org/entry/4012485], Mark may need to investigate this issue more
| |
| − | * Dave has noticed we have a higher radiation level values now, about factor of 1.5 [https://logbooks.jlab.org/entry/4012423], [https://logbooks.jlab.org/entry/4012426]
| |
| − | * Hydra alarm on fa125_itrig [https://logbooks.jlab.org/entry/4012288]
| |
| − | * daq livetime is uneven from time to time [https://logbooks.jlab.org/entry/4012631]
| |
| − |
| |
| − | === Plans ===
| |
| − | * Continue production on lead
| |
| − | * find out the way to unmask FCAL modules
| |
| − |
| |
| − | = Wednesday, July 6 =
| |
| − |
| |
| − | === Past 24 hours ===
| |
| − |
| |
| − |
| |
| − | * Malte and Mark worked on FCAL bases replacement [https://logbooks.jlab.org/entry/4011757]
| |
| − | * One of the RF crates had been disconnected, Beni fixed it [https://logbooks.jlab.org/entry/4011767]
| |
| − | * Bobby and others worked in the tagger hall during the day. At 3:30 pm Bobby noticed that the IOC for the NMR was not responding properly. MCC rebooted the IOC crate. Afterward, it was still locked on zero and there was still a Comm Status error [https://logbooks.jlab.org/entry/4011870]
| |
| − | * Beni found that the solenoid controls hung, and restarted the ramping, which was helpful.
| |
| − | * Had minor issues with DAQ at 7.00 pm: ROCFDC11 error: timeout error on FA125, every 3 seconds. (fADC125 in fdc11 slot 3 was replaced during daytime [https://logbooks.jlab.org/entry/4011797]) Sergei worked out the DAQ issue at 7.50 pm
| |
| − | * Established operating field of the solenoid at 8:30 pm.
| |
| − | * harp scans are ongoing now
| |
| − |
| |
| − | === Shift reports ===
| |
| − | * [https://logbooks.jlab.org/entry/4011688 day shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4011901 swing shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4011988 owl shift summary]
| |
| − | * [https://logbooks.jlab.org/entry/4012045 early riser shift summary]
| |
| − |
| |
| − | === Reports ===
| |
| − |
| |
| − | * Sergey and Lubomir worked in the Hall this night from 10 pm to 11:30 pm [https://logbooks.jlab.org/entry/4011999]
| |
| − | * Hovanes reported his study of the coherent peak position drifts observed on the 4th of July [https://logbooks.jlab.org/entry/4011805]
| |
| − | * Still have 60Hz structure [https://logbooks.jlab.org/entry/4012003]. The situation is improved according to MCC experts.
| |
| − | * CDC HV and TAGM alarms are more frequent now
| |
| − | * CDC gas flow increased [https://logbooks.jlab.org/entry/4012075]
| |
| − |
| |
| − | === Issues ===
| |
| − | * Hovanes pointed out that something strange happened during solenoid ramping up [https://logbooks.jlab.org/entry/4011909] [https://logbooks.jlab.org/entry/4012078]
| |
| − |
| |
| − | === Plans ===
| |
| − | * Continue production on lead
| |
| − | * Unmasking FCAL central modules from the trigger needs to be done unless it increases rate too high
| |
