1. PIT Task Lists
Long Range PIT Team
F. Lin

2. Long Range PIT Team Goals
Investigate, understand, and improve long term SRF linac performance
Quantify/Summarize performance as built
Suggest and implement measurement plans to quantify performance changes
Work to understand any changes observed
Suggest improvements in operations processes and/or hardware and implement

3. Known Issues Cryo Loading? Cryo Instrumentation
Field Emission: How to Improve
He Processing
Field Emission Changes?
Maintenance/Improvement Program
Q Degradation
Reducing Linac Trip Rates
Operations Reductions of E_max
LEM Improvement through Better Optimization Processes

4. Known Issues Microphonics Damping and/or rework of R100
Plasma Processing? No one to shepherd so any action deferred
Understanding Q changes between vertical and horizontal tests, and tunnel placement
Understanding and eliminating flux trapping and flux sources
Quantifying the overall cryo loads and system capacity and revisit static loads
Understanding spontaneous arcing and rapid loss of gradient

5. Known Issues
Proper maintenance cryomodule rebuilding program to preserve 12 GeV
LLRF ungrades, particularly for C50s and improvement of heater controls there
Increase ability to diagnose field emitters (X-ray diagnostics?) and understand Q effects
"Better" pressure diagnostics
Understand better "accelerating system wide" problems
Data Management
Others?

6. Themes Quantify/Summarize Performance as built (Krafft Lead)
Data Management
Field emission and mitigation (Drury Lead)
He Processing
Plasma Processing
Field Emission Changes?
Maintenance/Improvement Program
Increase ability to diagnose field emitters (X-ray diagnostics?) and understand Q effects

7. Themes Operations and Operations processes (Freyberger Lead)
LEM Improvement
Operations Emax changes and process
Cryo Load reconcilliation and enhanced diagnostics. "Better" pressure diagnostics
Trip Rates and Trip Rate Reduction (maybe included above)
Understanding spontaneous arcing and rapid loss of gradient
Microphonics damping and/or rework of R100
LLRF ungrades, particularly for C50s and improvement of heater controls there

8. Themes Construction Issues (Geng/Rimmer Lead)
Understanding Q changes between vertical and horizontal tests, and tunnel placement
Understanding and eliminating flux trapping and flux sources

9. Process Regular Report Every 2 months Start with “Study Plan”
Meet with other group members
7-10 Task items on a Gant Chart
Specify some deliverables
Plan for a year to two