[Sbs] ECAL detectors

[Michael Kohl]

Good afternoon,

If more are “up for grab”, I would definitely be interested to get some, too.
These could be useful for positron detection and energy measurement for low-energy positron production R&D.
A 3x3 or up to 5x5 matrix would be great to have, with PMTs.

Thank you,
  Michael


==============================
Dr. Michael Kohl
Interim Chair
Joint Professor and Staff Research Scientist
Physics Department, Hampton University, Hampton, VA 23668, USA
Jefferson Lab, 12000 Jefferson Avenue, Newport News, VA 23606, USA
Phone: +1-757-727-5153 (HU office)
Email: kohlm at jlab.org<mailto:kohlm at jlab.org>
==============================

On Oct 8, 2025, at 3:01 PM, Cynthia (Thia) Keppel via Sbs <sbs at jlab.org<mailto:sbs at jlab.org>> wrote:

Hi Jim,

This sounds fine to me - ok, Mark?

Best,
Thia

Cynthia Keppel, PhD
Associate Director for Physics
Thomas Jefferson National Accelerator Facility
1-757-269-7580
________________________________
From: Sbs <sbs-bounces at jlab.org<mailto:sbs-bounces at jlab.org>> on behalf of Jim Napolitano via Sbs <sbs at jlab.org<mailto:sbs at jlab.org>>
Sent: Wednesday, October 8, 2025 1:02 PM
To: Mark Kevin Jones <jones at jlab.org<mailto:jones at jlab.org>>
Cc: Bogdan Wojtsekhowski via Sbs <sbs at jlab.org<mailto:sbs at jlab.org>>
Subject: [Sbs] [EXTERNAL] ECAL detectors

Hi Mark,

I was meeting with Don this morning, and he mentioned that the ECAL detectors from GEp are going to be put in storage and eventually trashed.

I would love to get several of those blocks, with PMTs, for my undergraduate advanced lab course. I’d use them for a muon decay experiment, better than what I have now. We are already replacing the electronics with a CAEN desktop digitizer, big improvement over what we had before, but the detector is still substandard.

I can handle the transport, and the high voltage and other electronics. Also, Bogdan tells me that at least ten blocks available (that have not been exported to radiation.)

Can we make this happen? I am happy to do whatever paperwork and legwork is necessary.

Thanks,
Jim

Jim Napolitano (he/him/his)
<tuf43817 at temple.edu<mailto:tuf43817 at temple.edu>>
Department of Physics
Temple University
215-204-7827
Web page<https://urldefense.proofpoint.com/v2/url?u=https-3A__faculty.cst.temple.edu_-7Etuf43817_&d=DwMGaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=IebRyMSEbnsVTrj8mJhCLQ&m=r_tYCpnMf4CIJopvDMqkFGImCTvjene7KqwfewpV5cFfBoXQ5v8QDzNOU4jO2LSG&s=575Jg4hySc_36hxEuyppuFyThQe9zz885eHNcCtq-TY&e=>

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