[Halld-npp] Wire chamber test status

[Alexander Austregesilo]

We did not flush the wire chamber for a day, so I would not ramp up the 
HV right now. But we could take a run with the scintillator powered on 
to check the readout.

Beni, are you still at the lab?


On 8/27/2021 2:07 PM, Elton Smith wrote:
> Hi  Beni,
>
> Thanks for checking the setup.
>
> Alex and/or Beni: Is it possible to take a little date with the new 
> connection and copy the file to /cache so that I can look at it? At 
> the moment a few hundred events is all I need for initial debugging.
>
> Thanks, Elton.
> ------------------------------------
> Elton Smith
> Jefferson Lab MS 12H3
> 12000 Jefferson Ave STE 4
> Newport News, VA 23606
> (757)269-7625
>
>> On Aug 27, 2021, at 12:33 PM, Beni Zihlmann <zihlmann at jlab.org 
>> <mailto:zihlmann at jlab.org>> wrote:
>>
>> followup:
>> after closer inspection it turns out that the second connector on the 
>> ADC input is broken and
>> does not properly engage with the cable connector. I connected the 
>> second signal cable to
>> the 4th channel of the ADC.
>>
>> attached you also see a picture of the second scintillator below the 
>> wire chamber that
>> only needs to be connected to HV and signal cables. And a coincidence 
>> established
>> with the upper scintillator.
>>
>> cheers,
>> Beni
>>
>> On 8/27/21 12:20 PM, Beni Zihlmann wrote:
>>>
>>> Hi All,
>>>
>>> 1) found that the lemo cable that was supposed to be connected to 
>>> channel 2 was lying on the ground.
>>>     I reconnected it to channel 2. Channel 1 was and is still 
>>> connected.
>>>
>>> 2) gas bottle has been replace already. I turned the flow back on at 
>>> about 0.05l/m
>>>
>>> 3) I installed the second scintllator underneath the table. It only 
>>> needs to be connected with HV and
>>>      signal cables.
>>>
>>>
>>> cheers,
>>> Beni
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>>> Halld-npp at jlab.org
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>>
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