[Bteam] Notes from yesterday's B-team meeting
Michele Joyce
erb at jlab.org
Thu Jul 30 10:30:35 EDT 2009
Don't know if this matters in regards to Reza's "bumps", but the SOFs
for IPM0L06-IPM0L10 do not match the current values in STANDARD.sof.snap.
MJ
Arne Freyberger wrote:
>
>
> B-team Meeting Agenda (2:00pm Wednesday MCC conf. room)
>
>
> 1 2009-07-29 Wed Agenda--Notes
>
> * Close out of the Summer Sad
> o Gun status SOURCE
> + Inverted gun is producing electrons!!!
> + Conditioned to 110kV without any problems
> + Presently operating at 100kV
> + Preliminary lifetime of 70C!!!!
> + Preliminary injector setup by Reza -- found bumps in
> 0L04 and 0R03? regions. These are not new, but what
> is the cause? Some of these bumps are 4mm!
> o HKS status Spata
> Mike is at the beach for the remainder of the week. HKS
> installation is nearing the end. Lots of work on the
> diagnostics, final hookups and checkout. Should be able to
> complete the work as per the schedule.
> o Hardware Status Lauze
> Ron is also on vacation.
> * Startup Plans
> o Quick review of the schedule Arne
> o Gun/Injector plans SOURCE
> + 2009-07-30 Thu More lifetime studies, beam on 8am to
> 11pm
> + 2009-07-31 Fri Laser table orientation for Parity
> personnel. Inj open.
> + 2009-08-03 Mon-- 2009-08-05 Wed Parity alignment on
> the laser table.
> + 2009-08-05 Wed Parity Beam characterization up to
> 500kV. Yves might be involved with this.
> + 2009-08-05 Wed PSS certification of Injector
> + 2009-08-06 Thu Reza start full injector setup and
> finalization
> + 2009-08-07 Fri Reza complete Injector setup
> + 2009-08-08 Sat-- 2009-08-09 Sun More injector work?
> or start machine setup.
> o Machine Restoration All
> + Other items
> # Before beam is restored, but after EES has RF
> up, Tief needs an eight period to perform some
> studies on how far the Master Oscillator can
> be changed and keep the cavities under control.
> + 7.5% unbalanced
> A discussion as to the best approach to get to the
> desired setup of 5.76 GeV with a 7.5% unbalanced
> configuration.
> # Plan A
> * JB has created a high energy MST file
> from the 6.07 GeV test in June.
> * Use this file to scale to 5.76 GeV,
> balanced.
> * Spin up 5.76 balanced and check out systems
> * Go unbalanced from here
> # Plan B
> * Restore 5.97 GeV configuration from June09
> * Check out the hardware
> * Scale down to the 5.76 GeV 7.5%
> unbalance configuration
> # Decision
> Plan B
> + Strawman, all dates tentative
> # 2009-08-10 Mon RECO starts (the SAD calendar
> has Aug-12, but it should start earlier so
> that it is completed by Friday.
> # 2009-08-10 Mon OPS 24-7
> # 2009-08-10 Mon Injector setup completed?
> # 2009-08-10 Mon Yves parity measurements in
> Injector
> # 2009-08-10 Mon-- 2009-08-14 Fri EES RECO process
> # 2009-08-14 Fri Yves more parity measurements
> if needed.
> # 2009-08-14 Fri Tief Rf test
> # 2009-08-15 Sat-- 2009-08-16 Sun 5.97 GeV
> spinup from all save
> # 2009-08-17 Mon Fix things during day shift
> # 2009-08-17 Mon Start 7.5% unbalanced 5.76 GeV
> setup
> # 2009-08-18 Tue Finish unbalanced setup.
> # 2009-08-18 Tue-- 2009-08-19 Wed BSY ? and
> TWISS measurements and matching.
> # 2009-08-19 Wed-- 2009-08-20 Thu Beam to halls
> for Collaborative checks
> * Energy spread
> * Parity quality
> # 2009-08-21 Fri Resumption of physics
> + Other items
> # Start up plan
> Yan with assistance from Jay and everyone else
> will construct the startup plan (plan B).
> # Q measurements
> Some zones were cycled during the down. These
> zones should have Q measurements performed
> during the week 2009-08-10 Mon-- 2009-08-14 Fri
> # C50-9 commissioning
> Time for C50-9 to start commissioning should
> be carved out if restoration goes smoothly and
> the halls are late.
> # Optics on Call
> JB will has populated the schedule. Please
> confirm that you are available during the week
> assigned.
> # No meeting next week.
>
>
> 2 2009-07-22 Wed Agenda
>
> * Beam Modulation for parity experiments Jay
> * Balanced vs Unbalanced options in Aug Reza
> * Injector straw-man startup SOURCE
> * Injector Transport Yves
>
> Date: 2009-07-30 10:23:58 EDT
>
> HTML generated by org-mode 6.28e in emacs 22
>
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