Difference between revisions of "PITMinutes 05-23-2016"

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(New page: == Attendance == R. Bachimanchi, S. Cooper, K. Davis, M. Drury, A. Freyberger, C. Hovater, G. Krafft, F. Marhauser, C. Mounts, R. Nelson, T. Plawski, C. Reece, T. Reilly, S. Suhring == A...)
 
 
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== Attendance ==
 
== Attendance ==
  
R. Bachimanchi, S. Cooper, K. Davis, M. Drury, A. Freyberger, C. Hovater, G. Krafft, F. Marhauser, C. Mounts, R. Nelson, T. Plawski, C. Reece, T. Reilly, S. Suhring
+
R. Bachimanchi, M. Drury, A. Freyberger, C. Hovater, A. Hutton, G. Krafft, A. Kimber, C. Mounts, R. Nelson, T. Plawski, C. Reece
  
 
== Agenda and Notes ==
 
== Agenda and Notes ==
  
1. Operations Status and Summary  
+
1. Operations Status and Summary
  
OPS Staytreat
+
B receiving beam again!
Focus on reliability
+
  
Stonger SRF Compenent Again discussion
+
Cryo hiccups resolved with work
  
Klystron spares gone. Switches to power starved cavities
+
Heater testing in R100
accomplished. Between 2 and 5 MeV energy gain.
+
  
Vacuum spikes to reliablility (Talk@Staytreat)
+
Decarad measurements with all C100s
  
Changing machine: stabilization (Bialas and/or Powers)
+
Microphonic damping feet on 0L04:
 +
didn't fit keep trying
  
  
2. Why have we lost 15-25 MV/linac compared to commissioning period?
+
2. FE/Particulate Meeting Report (Geng)
  
How answer question?
+
* [https://jlabdoc/docushare/dsweb/Get/Document-117729/16-008.pdf Field Emission/ Particulate Meeting Final Report]
  
Cryomodule compling experiments
+
Follow on activity and future planning
More microphonic studies
+
Valve issues/vacuum trips beam related?
+
High gradient running expts.
+
Warm region cleanliness. Either process
+
or remove and replace.
+
Check cleanliness of older C20 warm region.
+
  
 +
Studies of warm girders next to the removed 1L12 cryomodule.
  
 +
Day time scales for looking. After Prad studies In July!
  
 +
Dummy girder? Gives us maybe 2 weeks to study removed girder.
  
 +
Replace ion pumps? Clean interior of both sides?
  
3. FE/Particulate Meeting Report (Geng)
 
  
* [https://jlabdoc/docushare/dsweb/Get/Document-117729/16-008.pdf Field Emission/ Particulate Meeting Final Report]
+
3. Capture degradation rate?
  
Follow on activity and future planning
+
Gradient calibrations have changed
  
 +
Accounting for this, there hasn't been serious degradation?
  
4. Capture degradation rate?
+
monitoring going forward. Data archived.
  
 
Look at archiver data and compare?
 
Look at archiver data and compare?

Latest revision as of 08:50, 6 June 2016

Attendance

R. Bachimanchi, M. Drury, A. Freyberger, C. Hovater, A. Hutton, G. Krafft, A. Kimber, C. Mounts, R. Nelson, T. Plawski, C. Reece

Agenda and Notes

1. Operations Status and Summary

B receiving beam again!

Cryo hiccups resolved with work

Heater testing in R100

Decarad measurements with all C100s

Microphonic damping feet on 0L04: didn't fit keep trying


2. FE/Particulate Meeting Report (Geng)

Follow on activity and future planning

Studies of warm girders next to the removed 1L12 cryomodule.

Day time scales for looking. After Prad studies In July!

Dummy girder? Gives us maybe 2 weeks to study removed girder.

Replace ion pumps? Clean interior of both sides?


3. Capture degradation rate?

Gradient calibrations have changed

Accounting for this, there hasn't been serious degradation?

monitoring going forward. Data archived.

Look at archiver data and compare?

Other ideas?

Action Items