[Halld-tagger] [EXTERNAL] photon beam working group update

[Michael Dugger]

Hi,

Here is my TPOL update:

* Verified that the standard TPOL trees from cooking, while different in
structure, yield the same results as the Nathan Sparks TPOL trees I have
been using

* Downloaded 2021-11 TPOL trees

* Plan: Will start processing TPOL trees for RunPeriod-2021-11 within a week

Take care,
Michael

> Hello All,
>
> Today at 3:00pm would be the time for our biweekly photon beam working
> group meeting. I would prefer to share my updates via email this week, and
> hope that others with something to share will do the same.
>
>    1. Mark Dalton points our attention to an interesting paper recently
>    published on the use of machine learning to enhance the ability to tag
>    events in a tagged beam experiment. I have not yet read the paper, but
> it
>    sounds intriguing.
> https://urldefense.proofpoint.com/v2/url?u=https-3A__arxiv.org_abs_2307.04776&d=DwIFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=-MwMW0sKroUIjy-Lh9rb3KzmWIgdcbbr9_jez8RLmto&m=dlRV6nAI5m7BKqUhMTmTKqQilpCy61ar5aM3C3BEgBG8AnO_TDXCaiG9kfJphQ9Y&s=5uTKCcyGYsv0eBL3YX6Hbpk1E5Rvxt_5MYU3jK-lCMQ&e=
>    <https://urldefense.proofpoint.com/v2/url?u=https-3A__nam10.safelinks.protection.outlook.com_-3Furl-3Dhttps-253A-252F-252Farxiv.org-252Fabs-252F2307.04776-26data-3D05-257C01-257Crichard.t.jones-2540uconn.edu-257Ca316ca3051884eb2a0a108db82eb67d9-257C17f1a87e2a254eaab9df9d439034b080-257C0-257C0-257C638247719789297297-257CUnknown-257CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0-253D-257C3000-257C-257C-257C-26sdata-3DTSXa7IXzFc3f5sFsHUqwvaMrR0J4ZI2N5jzBiJTv0-252BQ-253D-26reserved-3D0&d=DwIFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=-MwMW0sKroUIjy-Lh9rb3KzmWIgdcbbr9_jez8RLmto&m=dlRV6nAI5m7BKqUhMTmTKqQilpCy61ar5aM3C3BEgBG8AnO_TDXCaiG9kfJphQ9Y&s=P2KipaxXr9l_OsXCrvCFy7qVpZ23WeG5SGCGDIzMy4s&e=
> >
>    2. Work at UConn on using ML to improve the timing calibration of the
>    TAGM continues, no results to report as of this moment;
>    3. Analysis of the results from the June 14-18 run at the Saskatoon
>    X-ray source is ongoing at UConn, no results yet to report, but the
> data
>    look very encouraging so far.
>    4. Work on the high-intensity photon source for the KLong experiment is
>    progressing, discussion is taking place in a weekly meetings dedicated
> to
>    the CPS;
>
> If anyone has something fresh to present to the group today, please
> reply-all so we can plan to meet at 3:00. If nothing is heard on this
> channel before 12:00 today, let's cancel this week's meeting.
>
> -Richard Jones
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