[Rgc] [EXTERNAL] Re: Anneal tomorrow, not today?

Sebastian Kuhn kuhn at jlab.org
Fri Oct 21 11:24:22 EDT 2022


Hi Chris,

I understand that we lost quite a bit more time because of the solenoid ramp-down. I also agree that probably it won’t be necessary to anneal the target already today. However, we really need more data for the opposite target polarization. Is there a reason why the target group would prefer to delay the anneal/polarization reversal to tomorrow? Otherwise, I would tend to stick with the plan of switching today. (After all, we don’t know how bad things might be over the weekend… :-(

- Sebastian

> On Oct 21, 2022, at 11:02 AM, Silvia Niccolai via Rgc <rgc at jlab.org> wrote:
> 
> Hi Chris and Susan,
> I am happy with Chris’s plan. 
> Best regards,
> Silvia
> 
> Sent from my iPhone
> 
>> On 21 Oct 2022, at 16:45, Susan Schadmand via Rgc <rgc at jlab.org> wrote:
>> 
>> Hi all,
>> 
>> we have notified RadCon to come at 14:30, so please do not wait with the decision until the RC meeting.
>> 
>> Thx,
>> Su.
>> 
>>> On 21.10.22 10:39, Christopher Keith via Rgc wrote:
>>> RGC,
>>> Following yesterday’s solenoid trip, I lowered the microwave power back to its nominal level and the decay of the target polarization in beam seems to have slowed significantly.  I suggest postponing today’s anneal at 14:30 to Saturday evening.  Will this work?
>>> 
>>> Chris
>>> 
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