[Clas12_first_exp] Accelerator status/Hall access/cosmic, calibration runs/meeting today at 3pm

[Mac Mestayer]

Hello FX;

I looked at the logbook, but it was not at all clear
what data we have.  Where do you look up such information?

- Mac

----- Original Message -----
From: "Francois-Xavier Girod" <fxgirod at jlab.org>
To: "Mac Mestayer" <mestayer at jlab.org>
Cc: "Lei Guo" <lguo at jlab.org>, "Veronique Ziegler" <ziegler at jlab.org>, "clas12 first exp" <clas12_first_exp at jlab.org>
Sent: Thursday, May 3, 2018 10:52:40 AM
Subject: Re: [Clas12_first_exp] Accelerator status/Hall access/cosmic, calibration runs/meeting today at 3pm

Dear Mac

Note that we have taken similar data at 2 GeV in the run range 2441 to 2449

Best regards
FX

On Thu, May 3, 2018 at 10:49 AM, Mac Mestayer <mestayer at jlab.org> wrote:

> Hello Lei and all;
>
> If possible, I would like to have a short alignment run with
> the torus turned off, but with the solenoid on.
>
> This would reduce our background from very low momentum electrons
> and should be complementary to the data we have already
> acquired (run 2467).  In that data, we can use the target position
> as a constraint, but as I said we have a large contamination of
> very low-momentum tracks.
>
> An hour should give us good statistics.
> Because of a doctor's appointment, I may not be able to be
> at today's meeting, but please discuss this.
>
>                     regards, Mac
>
> "mestayer at jlab.org", (757)-269-7252
>
> On Thu, 3 May 2018, Lei Guo wrote:
>
> Dear All,
>>
>> Steve (PD) gave us an update this morning at the MCC meeting. If you read
>> somewhere in the logbook that the beam might be back in four hours around
>> noon — it won’t happen. The best case scenario would be sometime during the
>> swing shift when we could expect beam to back. The network issue is nearly
>> resolved. However, there are a lot of remaining items the accelerator team
>> needs to address before they can deliver beam.
>>
>> This gives us an opportunity for Hall Access if anyone needs it. Please
>> let PDL and me know if you do need it.
>>
>> Additionally, if anyone needs special runs that do not need beam, such as
>> cosmic runs, LED runs, calibration runs, please let me and the shift leader
>> know.
>>
>> Realistically, we have about two days of data taking left if all goes
>> well. Therefore, we must have a meeting today at 3pm to discuss the
>> remaining plans.
>>
>> Let’s meet at 3pm in the counting house then. Meeting link is below
>> https://bluejeans.com/7572697303/ <https://bluejeans.com/7572697303/>
>>
>> Lei
>
>
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