[Sbs_gems] [EXTERNAL] Re: EEL/125 trigger looks OK

Brad Sawatzky brads at jlab.org
Fri Mar 18 19:07:04 EDT 2022


Nope.  Amplitudes looked reasonable to me (in general).

It would still be worth looking at the top/bottom attenuation in the
single ended paddles next week though.  I didn't have time to shuffle
the other cross-paddle around to do that test properly this afternoon.

-- Brad

On Fri, 18 Mar 2022, John Boyd wrote:

> Brad,
> So no changes to the PMT voltages?
> -John
> On Fri, Mar 18, 2022 at 6:54 PM Brad Sawatzky <brads at jlab.org> wrote:
> 
>   Just a quick follow-up on some work with folks in EEL/125 this morning.
>   We looked through the trigger signals and they seem OK to me.  I did
>   come across a few partially unscrewed LEMO connectors in the OR/AND
>   unit.  One was very loose and could definitely have been making an
>   unreliable or intermittent connection in the past.
> 
>   Regardless, I think the trigger is solid at this point.
> 
>   -- Brad
> 
>   --
>   Brad Sawatzky (he/him), PhD <brads at jlab.org> -<>- Jefferson Lab/ Hall
>   C/C111
>   Ph: 757-269-5947  -<>-  Fax: 757-269-5235  -<>- Pager: brads-page at jlab.org
>   The most exciting phrase to hear in science, the one that heralds new
>     discoveries, is not "Eureka!" but "That's funny..."   -- Isaac Asimov
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-- 
Brad Sawatzky (he/him), PhD <brads at jlab.org> -<>- Jefferson Lab/ Hall C/C111
Ph: 757-269-5947  -<>-  Fax: 757-269-5235  -<>- Pager: brads-page at jlab.org
The most exciting phrase to hear in science, the one that heralds new
  discoveries, is not "Eureka!" but "That's funny..."   -- Isaac Asimov


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