[Halld-npp] Wire chamber test status

[zihlmann]

Hi Alex,
now I am not at the lab anymore. But I was thinking of going back to the 
lab, increase the flow a little bit more
and then tomorrow take some data.

Beni

On 8/27/21 2:15 PM, Alexander Austregesilo wrote:
>
> 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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>>>
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>>
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