[dsg-halla_moller] SBS gas distribution system,

[Marc Mcmullen]

Hi Chandan,


You have a rough channel count lets go with 32 since the current boxes have 8 channels per box.

Can you tell me the gas and whether you need anything other than the flow?

Lastly, do you have a time frame for testing the GEM gas system? Will it be set up in the hall or tested in another location?

Marc


________________________________
From: Chandan Ghosh <chandan at jlab.org>
Sent: Wednesday, January 14, 2026 2:50 PM
To: Marc Mcmullen <mcmullen at jlab.org>
Cc: Ibrahim Albayrak <albayrak at jlab.org>; Ching Him Leung <cleung at jlab.org>
Subject: Re: SBS gas distribution system,

Dear Marc,
For MOLLER GEM systems, we will have 28 detectors (+some spare channels).

Best regards,
Chandan Ghosh

________________________________
From: Marc Mcmullen <mcmullen at jlab.org>
Sent: Wednesday, January 14, 2026 2:47 PM
To: Chandan Ghosh <chandan at jlab.org>
Cc: Ibrahim Albayrak <albayrak at jlab.org>; Ching Him Leung <cleung at jlab.org>
Subject: Re: SBS gas distribution system,

Hi Chandan,

Can someone give me a rough channel count for this Moller system?

We are planning for future work.

Regards,
Marc

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________________________________
From: Chandan Ghosh <chandan at jlab.org>
Sent: Monday, September 29, 2025 3:28:02 PM
To: Marc Mcmullen <mcmullen at jlab.org>
Cc: Ibrahim Albayrak <albayrak at jlab.org>; Ching Him Leung <cleung at jlab.org>
Subject: SBS gas distribution system,

Dear Marc,
We are planning to store the SBS gas distribution system for a potential use in the MOLLER experiment.

At this stage, we don't yet have a clear plan for how it will be integrated into MOLLER.
However, a reliable gas distribution system will certainly be essential for smooth operation.
Hopefully, the MOLLER collaboration will soon converge on a design of gas distribution for the GEM detectors, and then we will be able to access how the SBS system might be adapted.

In the meantime, I am wondering if you could come up with improvement (over the SBS system) for our future system (so, that we will not loose access to the reading and avoiding reboot).
Although, this is not urgent.

Please let us know if you have any questions/suggestions regarding this.

Best regards,
Chandan Ghosh

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