[Bteam] Schedule for Tues Feb 8

Joe Grames grames at jlab.org
Mon Feb 7 09:20:14 EST 2011


HI Todd,

Vert setup has beam to 5 MeV Mott from get-go, so incompatible with 
anything that affects 0L02, warm RF.

I'll be there for 8am, although usually good idea not to start until 
8:15, after turnover and MCC meetings.

Joe

Todd Satogata wrote:
> Hi Joe,
>
>> Loosely speaking, we'll take the beam away, put it in the Mott
>> polarimeter, set/measure vertical polarization, return beam. This
>> all should have little change to injector setup, but would document
>> before/after, and if needed make small final adjustments. Altogether
>> should be done in <3 hours.  *Todd *- what time does
>> vert. polarization task start?
>
> Vertical polarization work is scheduled to start at 0800 presently. I
> think that time only requires EGG okay to be set in stone. After
> discussions with Reza/Arne, the current schedule is
>
>   0800    Vert polarization setup (Joe/EGG, 2-3h)
>           RF recovery (SL)
>           0L02-3 checkout, other injector warm RF checkout
>   1030ish Return beam to halls
>           Hall C Moller measurement
>   1300ish Reinstall Compton chicane setup
>           Evaluate Compton backgrounds with current steering/setup
>           Full-machine RF tuning (Reza) to improve Compton backgrounds
>             if necessary
>
> This should maximize time to the halls while achieving the Hall C
> objectives of vertical polarization setup and Compton chicane back
> in. If the Compton backgrounds are still excessive (possible but
> unlikely given the halo rates), then we'll have to back out again
> and consult with a larger group to develop an intervention plan.
>
>                                                 -Todd
>
> --------------+---------------------------+----------------+------------------ 
>
> Todd Satogata | CASA Group, Jefferson Lab | (757) 269-6281 | 
> satogata at jlab.org
> --------------+---------------------------+----------------+------------------ 
>



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