[Bteam] PREX run plan

[Jay Benesch]

Bob,

Attached please find a draft plan for beam setup in hall A.  This does 
not include time for Compton background reduction but it is hoped that 
the matching work in the Compton region will reduce the need for this. 
Not does it include steering and raster checks through the Moller.

This draft was developed by Michele Joyce and me.  Comments on an 
earlier draft were received from Mike Tiefenback.  The B team has not 
reviewed the document.

Jay

Robert Michaels wrote:
> Dear Jay
> 
> We are starting to formulate a run plan for PREX.  There
> is a 2-week commissioning period starting March 11.  PREX
> has a lot of new and complex systems.
> 
> As input to the planning process, please provide me with
> an estimate of how much time you'll need to commission
> the beam optics in Hall A and a run plan in at least a
> rough form.  Please provide this info by Friday Jan 22.
> 
> I'm bugging other people for other subsystems, so just
> worry about this one for now.  We'll go over the global
> plan in a couple weeks at a B-team meeting, perhaps.
> 
> I think the way those two weeks will unfold is as follows.
> Each subsystem will get several periods of beam time,
> separated by longer periods of time in which to think
> about their results, e.g. 4 shifts of 6 hours separated
> by 24 hours.  This is the sort of input we need, both the
> time and -- roughly -- what you will do with the time.
> 
> It's understood that there needs to be flexibility in the
> run plan, as well as the need to react to problems as they
> crop up.  Nevertheless, we need a starting run plan.
> 
> thanks
> Bob Michaels
> 
>  Subsystems for PREX
> 
>     - Polarized Injector
>     - New Double Wien Filter
>     - Beam Setup in Hall A
>     - Compton
>          a) New Green Laser & Cavity
>          b) Electron Detector
>     - High-field Moller
>     - New Septum Magnet
>     - HRS Optics
>          Water cell and Sieve runs
>     - PREX Lead target
>     - PREX Detector
>     - Lumi
>     - Beam Monitors (new and old cavities, etc)
>     - Beam Modulation (new scheme)
>     - Analysis
> 
> -------------------------------------------------------
> Robert W. Michaels           http://www.jlab.org/~rom
> Staff Scientist              phone (757) 269 7410
> Thomas Jefferson National Accelerator Facility
> 12000 Jefferson Ave, Newport News, VA 23606 USA
> 
> 
> 

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