AES Cavity Meeting

Tuesday 28 Aug 2007, 08:30 → 15:30 US/Central

Hermitage Via WebEx (Jefferson Lab)

1. Review data on AES 1-4 fabrication, processing, and testing. 2. Discuss possible causes for limited cavity performance. 3. Review and recommend any changes for future fabrication procedures and schedule. 4. Recommend future processing and measurement plans for AES 1-4.

08:30 → 10:45 Session I¶

08:30 Introduction – Charge, overview, expectations¶

Speaker: Edwards

Slides

• Aug07AES_Lutz_dec05.pdf
• Aug28_JLab_AES_Agenda_Draft.doc
• Aug28_JLab_AES_Agenda_Draft.pdf

08:45 Past - All test results, preparation history, mechanical/optical inspection results, mode analysis, and temperature measurements¶

Note review given by Geng on 8/16/07 http://ilcagenda.linearcollider.org/conferenceDisplay.py?confId=1841">

Speaker: Geng, Sergatskov

Slides

• Geng_AES_cavity_test_at_JLAB_and_future_test_proposals.pdf
• Geng_AES_cavity_test_at_JLAB_and_future_test_proposals.ppt
• http://ilcagenda.linearcollider.org/conferenceDisplay.py?confId=1841
• Sergatskov_AES_jlab_2007_08_28.pdf

09:30 Weld prep and machining, weld machine & procedures, time history, inspection & QA/QC at AES. Any data specific to bad cells. Present AES fabrication procedure and schedule.¶

Speaker: Rathke

10:45 → 11:00 break

11:00 → 15:00 Session II¶

11:00 Material, RRR and RRR at weld data, eddy current scanning. Any data specific to bad cells.¶

Speaker: Cooley

Slides Cooley_AES_at_JLab_070828.pdf Cooley_AES_at_JLab_070828.ppt

11:30 Discussion of procedures, measurements, possible multipacting, etc¶

Speaker: Kneisel

12:15 Titanium oven treatment. Past results at Cornell, DESY, and JLab.¶

What should we expect & where could we do it on these cavities?

Speaker: Hasan/ Lutz

Slides Padamsee_PostPurSlides.pdf Padamsee_PostPurSlides.ppt

13:00 Mechanical polish of welds¶

Helen described some e-mail correspondence with Kenji Saito

Speaker: Edwards

Slides AES_Cavity_emails.doc AES_Cavity_emails.pdf

13:40 Summary of temperature mapping developments¶

Speaker: Ciovati

Slides Ciovati_Summary_of_temperature_mapping_developments.pdf Ciovati_Summary_of_temperature_mapping_developments.ppt

14:20 Plan future preparation and testing of AES cavities¶

Speaker: ALL