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

Mon May 29 04:44:35 EDT 2023

Dear all,
today is fine for me, but I have another commitment from 14 to 16 (Rome 
Time). Apart from that I am available also tomorrow.
Cheers,
Marco

Il 2023-05-29 10:18 Marco Battaglieri via BDXlist ha scritto:
> Ok for today, anytime then, since Wed I wont be able to attend after
> 6:00PM
> Marco
> 
> Mariangela Bondì 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=Fn3k6b8glfCHB0ZkV5TaTmBb_7lcTOeQf8Vw2JjtDLovnjJFJO-IcP-nItDYN0qz&s=t-4qHOxjy8p5qrpGFckDe_x3ckrMXKCeOzi_5pTntf8&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=Fn3k6b8glfCHB0ZkV5TaTmBb_7lcTOeQf8Vw2JjtDLovnjJFJO-IcP-nItDYN0qz&s=xvKJEMLpxGZ2AQlv8H796AV4ZLlf5S-6v0oXSCyN4Fc&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
>> 
>> _______________________________________________
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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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