[PRad] PRad phone meeting on Friday (January 15) at 9:00am EST

[Eugene Pasyuk]

I have 30 more new spare PMTs in my office. Are you going to test them too?

-Eugene

----- Original Message -----
> From: "Ashot Gasparian" <gasparan at jlab.org>
> To: "Li Ye" <ly150 at msstate.edu>
> Cc: "prad" <prad at jlab.org>
> Sent: Tuesday, January 19, 2016 5:23:23 PM
> Subject: Re: [PRad] PRad phone meeting on Friday (January 15) at 9:00am EST

> Hi Li,
> 
> The test setup looks fine to me, it has to be done on that way.
> But, I am having problem with the signal shape. It looks like
> either you have to intense light source or/and to long light signal.
> The typical signal has to be ~100 mv (you have ~1 V level that is not
> good for the tube) and ~20 nsec.
> Try to retune the LED generator appropriately and see again.
> 
> I will take the key with me next time.
> 
> Thanks,
> Ashot
> 
> 
>> Hi Ashot,
>> I and Xinzhan tested spare 19 PMTs , they all good.
>> We used a LED light and put PMTs in the black box
>> Please see the attached photos of setup and signal.
>> Would you please bring the key of your locker which I and Xinzhan believe
>> you put some dividers in.
>> Cheers
>>
>>
>>
>>
>>
>>
>>
>>
>> On Tuesday, January 19, 2016, <gasparan at jlab.org> wrote:
>>
>>>
>>>  Hi Chao,
>>>
>>>  One important question: how do you reconstruct the angle?
>>>  1) is that by the hit-position in GEM?
>>>  2) is that the angle after the scattering in the material?
>>>
>>>  Ashot
>>>
>>>
>>> > Dear All,
>>> >
>>> > Attached is the simulation for new window between target chamber and
>>> > vacuum
>>> > box.
>>> >
>>> > Best Regards,
>>> > Chao
>>> >
>>> > On Thu, Jan 14, 2016 at 6:10 PM, Chao Peng <pengc2010 at gmail.com
>>> <javascript:;>> wrote:
>>> >
>>> >> Dear all,
>>> >>
>>> >> We will have our weekly phone meeting on this Friday (January 15) at
>>> >> 9:00am EST.
>>> >> Room F227 is reserved for people at JLab.
>>> >>
>>> >> On the agenda:
>>> >> - DAQ development
>>> >> - GEM status
>>> >> - Accelerator Status/Schedule
>>> >> - Other topics, target, beamline, pre-calibration...
>>> >> - New meeting time
>>> >>
>>> >> The link to the minutes of the weekly meetings is:
>>> >> https://wiki.jlab.org/pcrewiki/index.php/PRad_Weekly_Meetings
>>> >>
>>> >>
>>> >> Instructions for using Blue Jeans to join the meeting:
>>> >>
>>> >> 0. You can have access to the screen sharing through this URL:
>>> >> https://bluejeans.com/6017317348
>>> >>
>>> >> 1. Dial Toll-Free Number: 1-888-240-2560 (from US and Canada
>>> excluding
>>> >> Hawaii and Alaska)
>>> >>     For the list of numbers to call in from a foreign country, please
>>> >> visit: http://bluejeans.com/numbers
>>> >>
>>> >> 2. Enter the Meeting ID, followed by #
>>> >>     Meeting ID: 6017317348
>>> >>
>>> >> 3. Moderator passcode: 2284
>>> >>
>>> >> Please let me know if you cannot make it.
>>> >> Thank you very much.
>>> >>
>>> >> Best regards,
>>> >> Chao
>>> >>
>>> >> --
>>> >> Chao Peng
>>> >> Department of Physics
>>> >> BOX 90305
>>> >> Duke University
>>> >> Durham, NC 27708
>>> >>
>>> >
>>> >
>>> >
>>> > --
>>> > Chao Peng
>>> > Department of Physics
>>> > BOX 90305
>>> > Duke University
>>> > Durham, NC 27708
>>> > _______________________________________________
>>> > PRad mailing list
>>> > PRad at jlab.org <javascript:;>
>>> > https://mailman.jlab.org/mailman/listinfo/prad
>>> >
>>>
>>>
>>> _______________________________________________
>>> PRad mailing list
>>> PRad at jlab.org <javascript:;>
>>> https://mailman.jlab.org/mailman/listinfo/prad
>>>
>>
>>
>> --
>> Li Ye
>> 757-291-9896
>> Physics Department
>> Mississippi State University
>>
> 
> 
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