[BTeam] Preparations for the Fall

Arne Freyberger freyberg at jlab.org
Wed Sep 7 14:36:59 EDT 2016


It has been pointed out that the 80 microAmperes is require 
post-Thanksgiving, Nov 28th (not Nov 23 as in the quoted email). 
Need/support  for high beam current prior to Nov. 28th will be discussed 
on a case by case basis.

Arne

On 09/07/2016 02:09 PM, Arne Freyberger wrote:
> The Fall2016 CEBAF Run Configuration spread sheet has been updated 
> today.    Here are some highlights and thoughts about the upcoming run:
>
>   * Hall-A does not transition to 5-pass until Oct. 30
>       o There are four weeks to commission the 5th pass separators
>   * Hall-A requests only 20 microAmperes up to Nov. 23rd, 80
>     microAmperes between Nov 23d and Dec. 22nd
>       o While it would be great to be able to support 80 microAmperes
>         on day-one, it is not necessary.   Anyone think a high current
>         setup on Oct. 1 will be functional on Nov 23rd?
>   * The spreadsheet configuration page has been updated to include a
>     "Laser Table" and "Separator" section.  You will see there that:
>       o Hall A&D will receive 499 MHz beam up to Oct 30th
>       o 5-pass separator tests, prior to Oct 30th,  will be performed
>         with the C-Laser at 249.5 MHz
>       o Passes used this fall include 1,3,4,5,5.5 (everything except
>         pass-2)
>   * As with previous runs, the spreadsheet has individual sheets for
>     accelerator tasks & studies to be performed during startup and
>     physics operations.  I've started to fill these sheets out, using
>     the incomplete tasks from Spring 2016 as a start.  Please add your
>     tasks to the appropriate sheet.
>
> If you do not have write access to the spreadsheet, email me your 
> gmail address and I'll share it with you.
>
> https://docs.google.com/spreadsheets/d/1-xO58kOv1WkRWJ4zbVnehrdxLs065duPHb4KBTWY_XM/pubhtml
>
>
> Arne
>
> -- 
> Arne Freyberger
> Director of Accelerator Operations
> Jefferson Lab           Office: (757) 269-6289
> 12000 Jefferson Avenue    Cell: (757) 876-6289
> Newport News, VA 23606   Email:freyberg at jlab.org
>
>
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-- 
Arne Freyberger
Director of Accelerator Operations
Jefferson Lab           Office: (757) 269-6289
12000 Jefferson Avenue    Cell: (757) 876-6289
Newport News, VA 23606   Email: freyberg at jlab.org

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