Difference between revisions of "PITMinutes 05-07-2018"
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[https://casa.jlab.org/LINACPIT/C100_Refurbishment_Brainstorming_List.pptx C100 Refurbishment Brainstorming List] | [https://casa.jlab.org/LINACPIT/C100_Refurbishment_Brainstorming_List.pptx C100 Refurbishment Brainstorming List] | ||
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[https://casa.jlab.org/LINACPIT/Acceptance_criteria.pptx LCLS II Module Acceptance Criteria] | [https://casa.jlab.org/LINACPIT/Acceptance_criteria.pptx LCLS II Module Acceptance Criteria] | ||
Revision as of 12:40, 3 May 2018
Attendance
R. Bachimanchi, K. Baggett, M. Drury, A. Freyberger, R. Geng, A. Hutton, G. Krafft, A. Kimber, R. Legg, C. Mounts, R. Nelson, T. Plawski, T. Powers, C. Reece, T. Reilly, R. Rimmer, and A. Solopova.
Agenda and Notes
1. Operations Status and Summary/Review (Freyberger)
High average current limits remain. Usually A runs 22.5 muA and C runs 50-60 muA. Seems more and more solid that the Hall C current limit is 70-75 muA, independent of the Hall A current. And the main trips are from beam loss. So focus is shifting back to injector. Today, bunch length measurements are being made for the different Hall bunches. Recent work points to longitudinal phase space tails causing high average current trips. Is there a better diagnostic for these?
Anna will be working on getting a handle on OPS-initiated reductions in the C100 cavity gradients. First try to understand why people are reducing them and work through mitigations.
2. C100 Performance Studies (Solopova)
3. C100 Quenches (Powers)
Measurement regarding C100 Quenches
4. C100 Refurbishment Planning (Freyberger)
C100 Refurbishment Brainstorming List
LCLS II Module Acceptance Criteria
Action Items
Leadership of quenches. Offline discussion.
Complete C75 Module Specifications (Marhauser, Benesch, Krafft)
C100 Refurbishment Project for the future?
