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The CEBAF SRF/RF/CRYO Workshop

April 3, 2014
Jefferson Lab
US/Eastern timezone

Contribution List

24 / 24
23. Assemble/Coffee
4/3/14, 8:30 AM
24. Introduction
Arne Freyberger
4/3/14, 8:45 AM
2. SRF Commissioning Data
Mike Drury
4/3/14, 9:00 AM
What data was taken? how is it stored? Data access? Preliminary results.
3. Beam Based and in-situ cavity measurements
Jay Benesch
4/3/14, 9:25 AM
Gradient, Qs and trip rates.
4. C50-11 (aka SL10) Performance
Mike Drury
4/3/14, 10:20 AM
C50-11 Qs, gradients, onset field emission data. Any remaining regions of interests in improving C50 Qs. Is this a dead horse?
5. C50-11 Q0 analysis
Rongli Geng
4/3/14, 10:30 AM
Data of magnetic/magnetized components surveyed. Correlation of C50-11 Q0 of individual cavities with the ambient magnetic field at SL10 slot.
6. C100 Performance with beam
Ramakrishna Bachimanchi
4/3/14, 10:45 AM
C100/R100 performance with beam. Challenges during initial beam operations.
7. Cryomodule Heat, CHL Loads and CHL1/2 performance during initial beam operations
Jonathan Creel
4/3/14, 11:05 AM
Status of the CHL-1/CHL-2 systems and performance during initial beam operations. Linac loads, pressure stablility and hat management to be presented with a bias towards cryogenic system needs.
8. Minimizing the Linac dynamic heat load
Geoff Krafft
4/3/14, 11:20 AM
Data from recent heat load minimization tests
9. C100 Activation
George Kharashvili
4/3/14, 11:35 AM
results and implications of c100 activation measurements
25. Discussion
ALL
4/3/14, 11:50 AM
11. Long term schedule and CEBAF Energy Reach
Arne Freyberger
4/3/14, 1:00 PM
CEBAF schedule for beam operations and shutdowns for the next three years.
12. Status of and plans for Plasma Processing
John Mammosser
4/3/14, 1:15 PM
Status and plans of Plasma processing. Recent test results on FEL02?
13. Status of C50-12 (aka FEL02)
Joe Preble
4/3/14, 1:35 PM
C50-12 plan, schedule and status. Likely date of return to CEBAF?
14. Transitioning C100s to operations
Clyde Mounts
4/3/14, 1:50 PM
What is needed to complete the hand-off for robust operations of the C100s by operators and crew chiefs. What is the plan? What is the schedule?
15. Minimizing the Linac dynamic heat load (algorithm)
Balsa Terzic
4/3/14, 2:10 PM
Algorithm for minimization of trip rate and heat load.
16. Cryogenic Maintenance and Upgrade Plans
Mat Wright
4/3/14, 2:25 PM
CHL plans during the summer shutdowns, with emphasis on the impact to the Linac. Topics include: CHL-1 Maintenance summer of 2014, proposed 1.5kW external heater, modifications to support Linacs at 2K on one CHL, and anything else.
17. SRF Maintenance
Mike Drury
4/3/14, 2:40 PM
Plan and schedule of SRF maintenance work for Summer 2014 (and beyond). Tuner stand-off modifications? tunnel cabling clean-up?
18. RF power Maintenance
Steve Cooper
4/3/14, 2:55 PM
RF power maintenance planned for the Summer of 2014. R100 Kylstrons installation. Estimated consumables (klystrons, controls) for the next several years of operation.
19. 2.2GeV/pass by Fall 2015 discussion
ALL
4/3/14, 3:10 PM
Gradient maintenance. What needs to be done? What can be done at 2K? What can be done at 4K? Estimated time needed. Must, Shoulds and Likes
20. RF/SRF Path Forward
Arne Freyberger
4/3/14, 3:40 PM
With little gradient headroom, constant vigilance is required to achieve peak performance from the RF/SRF/Cryo systems. How shall we proceed? A strawman proposal will be presented and morphed into a robust plan with institutional buy-in from all parties. Peace in the middle east and an end to world hunger will be achieved, as well , during this discussion.
21. 2.2GeV/pass by Fall 2015 discussion
ALL
Gradient maintenance. What needs to be done? What can be done at 2K? What can be done at 4K? Estimated time needed. Must, Shoulds and Likes
10. Discussion
ALL
22. Discussion
ALL
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