[BDXlist] [EXTERNAL] BDX in JLab at 24 GeV white paper

Mon May 29 04:21:11 EDT 2023

Dear all,

I am available today and tomorrow, wednesday in the morning.

Cheers,
Luca

On 2023-05-29 10:11, Mariangela Bondì via BDXlist wrote:
> Dear all,
> 
> My slots are:
> 
> - Today all day
> - Thursday all day
> - Wednesday after 18 (Rome time)
> 
> Cheers
> Mariangela
> 
>> On 29 May 2023, at 08:51, Marco Battaglieri via BDXlist
>> <bdxlist at jlab.org> wrote:
>> 
>> Dear all,
>> I think having a meeting is a good idea.
>> I will not be available on Thursday. What about Tuesday May 30 (any
>> time after 1:30PM CET)?
>> Cheers
>> Marco
>> 
>> Andrea Celentano via BDXlist wrote:
>> 
>>> Dear BDX colleagues,
>>> I write you concerning the message that Patrizia sent to the JLab
>>> community, related to the white paper currently being prepared to
>>> address the physics case for a 24 GeV energy upgrade at Jefferson
>>> Laboratory (see below) According to Patrizia’s message, the
>>> final goal is to have the white paper published on a referred
>>> journal.
>>> 
>>> In Sec. 8.4, “secondary beams”, the projected sensitivity for
>>> BDX at 24 GeV is reported (see below). I think that having the BDX at 24
>>> GeV projection included in this work is really important. However,
>>> given that this result is going to be published in a journal, and
>>> thus available for the whole community, I think that, as BDX
>>> collaboration, we should discuss about how this result was
>>> obtained, and also how this is described in the text.
>>> 
>>> For example, I think that in the text the fact that this is only a
>>> preliminary estimate should be stated (where the backgrounds at
>>> all evaluated)?
>>> Same for the detector arrangement: was the BDX at 24 GeV reach
>>> computed assuming the same detector configuration (detector
>>> dimensions and distance from the dump)? This cannot be the case,
>>> since the increased muons energy will require more shielding to
>>> range them out.
>>> 
>>> Finally, I find the format of this plot quite uncommon, since the
>>> X axis is reported in a linear scale, and not log scale.
>>> 
>>> I think that it would be important to have a dedicated BDX meeting
>>> for this next week.
>>> What do you think about? Usually, we held BDX meetings on Friday,
>>> but Friday June 2nd is holiday in Italy. What about Thursday in
>>> the early afternoon?
>>> 
>>> Thanks,
>>> Bests,
>>> Andrea
>>> 
>>> <PastedGraphic-1.png>
>>> 
>>> == PATRIZIA’S MESSAGE ==
>>> 
>>> Dear colleagues,
>>> 
>>> You are receiving this message because you expressed
>>> 
>>> support for or participated in one of the many workshops
>>> 
>>> aimed at pursuing an energy upgrade to 22 GeV of CEBAF
>>> 
>>> with the goal of advancing the frontiers of our knowledge
>>> 
>>> across the spectrum of topics in nuclear physics. This
>>> 
>>> high-impact program at the luminosity frontier will open
>>> 
>>> up a rich and unique experimental nuclear physics program
>>> 
>>> that combines illustrious history with an exciting
>>> 
>>> scientific future.
>>> 
>>> After a year of intensive workshops, the editorial committee
>>> 
>>> has collected input from the community and assembled a
>>> 
>>> White Paper that outlines an exciting scientific program
>>> 
>>> for the future at Jefferson Lab.  This document is openly
>>> 
>>> available in the following link
>>> 
>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__drive.google.com_file_d_1VQelVEu6Sz6Z9cxWV4nkrYMX7NzO1rUP&d=DwIDaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ru7nA6zPBSFajtw1o6aZjchIV9Cs2SBk2RiVldzQhDc&m=LfVk6klWwdSULQ8CjNGZny65Xx2B4gDGoBbOivU7ISG_PEjNMcL7zCcPjwda2y8u&s=SIXcH7p9hwzI3Szv0v16QxVlPtGy4QnYSR7mM-Kui7k&e= 
>>> [1]
>>> 
>>> The initial author list contains the editorial committee
>>> 
>>> as well as some others that have made direct contributions to the
>>> 
>>> document, but we recognize that many beyond this initial list
>>> 
>>> are the creators of this program.  This is a grass-roots effort
>>> 
>>> that started with conversations amongst the recipients of this
>>> 
>>> email.  You have all contributed directly or indirectly through
>>> 
>>> participation in discussions, providing comments, and asking
>>> 
>>> questions.  As such, we would like to invite you to sign the
>>> 
>>> document as a coauthor by completing this form:
>>> 
>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__forms.gle_aQ6TKqGC2dnwMuGK6&d=DwIDaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ru7nA6zPBSFajtw1o6aZjchIV9Cs2SBk2RiVldzQhDc&m=LfVk6klWwdSULQ8CjNGZny65Xx2B4gDGoBbOivU7ISG_PEjNMcL7zCcPjwda2y8u&s=kx4P2ldiMPn0y5cCwugwCv2OpB2S55iKVMtcu0UCrSY&e=  [2]
>>> 
>>> There may be others that have expressed interest in this program
>>> 
>>> or contributed through discussions outside of the dedicated
>>> workshop
>>> 
>>> series.  Please feel free to forward this message to others
>>> 
>>> and extend the invitation to sign as a member of the broader
>>> 
>>> community that generated this document.
>>> 
>>> We acknowledge that given the breadth of the program it is
>>> 
>>> challenging for a committee to represent the individual scientific
>>> 
>>> interests of all members of the community with the same emphasis
>>> 
>>> and detail as they would themselves.  However, we are unified in
>>> 
>>> our goal of pursuing world class science.
>>> 
>>> The deadline to sign as an author is June 7 at close of
>>> 
>>> business (5 p.m. EDT). We are planning to submit to the arXiv
>>> 
>>> after deadline and submit for publication in a refereed journal.
>>> 
>>> On behalf of the editorial committee,
>>> 
>>> Patrizia Rossi
>>> 
>>> _______________________________________________
>>> BDXlist mailing list
>>> BDXlist at jlab.org
>>> https://mailman.jlab.org/mailman/listinfo/bdxlist
>> 
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> 
> 
> 
> Links:
> ------
> [1] 
> https://urldefense.proofpoint.com/v2/url?u=https-3A__drive.google.com_file_d_1VQelVEu6Sz6Z9cxWV4nkrYMX7NzO1rUP&d=DwMFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ru7nA6zPBSFajtw1o6aZjchIV9Cs2SBk2RiVldzQhDc&m=KRegf5qzSbd24c7aNlX-euj2Qt4K894uUtQZBpUAVxVmwGOBjwTCbiFKSP-9cYCI&s=GXJfqSdFiTOzgjRSnQd3nlPoRKseQLGNvljoavMFFUg&e=
> [2] 
> https://urldefense.proofpoint.com/v2/url?u=https-3A__forms.gle_aQ6TKqGC2dnwMuGK6&d=DwMFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ru7nA6zPBSFajtw1o6aZjchIV9Cs2SBk2RiVldzQhDc&m=KRegf5qzSbd24c7aNlX-euj2Qt4K894uUtQZBpUAVxVmwGOBjwTCbiFKSP-9cYCI&s=qY7WxpTGO6OH_LPT4EIXPMJ8K240P1Y0N3MRFrrc_w0&e=
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