[Bteam] BTeam Dec 22 notes and Jan 5 agenda

[Todd Satogata]

  BTeam 2011-01-05


    1 2011-01-05 Wed 14:00 BTeam Meeting Agenda


      1.1 Optics-on-Call Report: Jay


      1.2 Beam Studies Report


        1.2.1 Arc9 Transport: Roblin

ATLis 10511 <https://cebaf.jlab.org/atlis/task/10511>: Completed on 12/23. Draft results delivered in PDF and look promising.


        1.2.2 Mott Measurements and Detector Swap: Grames

ATLis 10588 <https://cebaf.jlab.org/atlis/task/10588> and ATLis 10587 <https://cebaf.jlab.org/atlis/task/10588>: Completed 12/23 day after shutdown of rest of facility except for NL using 100 kV PS.


        1.2.3 Qweak Injector Studies: Mark Dalton

ATLis 10625 <https://cebaf.jlab.org/atlis/task/10625>: Shifted to Thursday owl 2010-01-06 at Mark's request.


        1.2.4 Restart planning for Mon 2010-01-03: Arne

ATLis 10652 <https://cebaf.jlab.org/atlis/task/10652>: for new arc optics from Arne. ORFP before/after installing new arc optics OWLs Tue-Wed Jan 4-5. Halls open during days Mon-Wed. Start at 100 kV using 125 kV supply.


      1.3 Beam Studies Planning


        1.3.1 Mott Measurements: Grames (~2h)

ATLis 10589 <http://cebaf.jlab.org/atlis/task/10588>: Complete characterization of new detectors after shutdown installation.


        1.3.2 Parity Quality Check (hall C): ? (~?h)

(No ATLis):


        1.3.3 Prebuncher module swap, injector retune

ATLis 10508 <https://cebaf.jlab.org/atlis/task/10508>: To reduce 9.5 kHz noise when running prebuncher above 2. Was planned for 12/16. Not done; deferred to when?


        1.3.4 Determine harp masking requirements in tune/CW: Jay

ATLis 10647 <https://cebaf.jlab.org/atlis/task/10647>: New ATLis, not scheduled yet.


      1.4 Facility rad surveys, activation before shutdown: Yan


        1.4.1 TODO Discuss rad surveys, hot spots from just before shutdown.


      1.5 Arc Diagnostics: Benesch


        1.5.1 TODO Analyze raw harp profile data and write up recommendations.


      1.6 12GeV Pathlength Requirements Status: Tiefenback


        1.6.1 TODO Need conclusions document.


      1.7 AOB?


        1.7.1 TODO Need volunteers for Sat 2011-01-22 USPAS afternoon tours

Michele and Jay have volunteered (2010-12-22 meeting)

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    2 2010-12-22 Wed 14:00 BTeam Meeting Notes


      2.1 Optics-on-Call Report: Tief/Yuhong


      2.2 Beam Studies Report


        2.2.1 Prebuncher module swap, injector retune

To reduce 9.5 kHz noise when running prebuncher above 2. Was planned for 12/16. Not done; deferred to indeterminate date.


        2.2.2 NL Pathlength: Tief

Adjusted and improved without compromising Hall A Compton rates mid-day Tue 12/21. Details in this elog entry <http://opweb.acc.jlab.org/CSUEApps/elog/entry/1559267>.


        2.2.3 RF Recovery: Ron

None this week.


        2.2.4 Take multiharp data in arcs 1 and 2: Benesch

Don't need more data at present before further offline analysis. No more offline analysis done at present.


      2.3 Beam Studies Planning


        2.3.1 Arc9 Transport: Roblin

ATLis 10511 <http://devweb.acc.jlab.org/CSUEApps/atlis/task/10511>: Planned for 12/21, deferred to 12/23 first thing in morning. Confirmed on Weds 12/22. Requires 5-pass beam.


        2.3.2 Mott Measurements: Grames

ATLis 10588 <http://devweb.acc.jlab.org/CSUEApps/atlis/task/10588>: Planned for 12/21, Planned for 12/23 daytime after shutdown of rest of facility except for NL. Implications of 150 kV PS failure, change to 100 kV PS? No implication; still on books as planned.


        2.3.3 Adjust FFB/FF gains to minimize noise in hall C: Benesch/Suleiman

ATLis 10532 <http://opsweb.acc.jlab.org/CSUEAppsatlis/task/10532>: But noise presently seems acceptable. Perhaps last week's comments exclude this: optimize FFB FF system, what are the requirements? If asymmetries look ok do we really need to improve the FFB FF system? Roger Carlini: "I would not mess with it" (still deferred).


        2.3.4 Restart planning, starting Mon Jan 3: Arne

ORFP before/after installing new arc optics OWLs Tue-Wed Jan 4-5. Includes Qweak injector studies 5 Jan, ATLis 10625 <http://opsweb.acc.jlab.org/CSUEAppsatlis/task/10625> (Mark Dalton). Halls open during days Mon-Wed. Start at 100 kV, work on PS repair.


      2.4 Arc Diagnostics: Benesch


        2.4.1 TODO Analyze raw harp profile data and write up recommendations.


      2.5 12GeV Pathlength Requirements Status: Tiefenback


        2.5.1 TODO Need conclusions before end of calendar year.


      2.6 Restart planning: All

Includes optics days, baseline measurements before and after new model optics from Arne.


      2.7 AOB?


        2.7.1 TODO Need volunteers for Sat 2011-01-22 USPAS afternoon tours

Michele and Jay volunteer! :)

Author: Todd Satogata <satogata at Todd-Satogatas-MacBook-Pro.local> <mailto:satogata at Todd-Satogatas-MacBook-Pro.local>

Date: 2011/01/03 17:11:23

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