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

Tue May 30 09:13:23 EDT 2023

Hi all,

I fully agree with the plot and the text.   I would ask that there be citations for our recently published work on BDX-MINI, e.g. Phys Rev D, as well as other publications beyond that of the proposal.

Thanks,
Phil

Philip L Cole

Professor & Chair

Department of Physics

Lamar University

(409) 880-8292

________________________________
From: BDXlist <bdxlist-bounces at jlab.org> on behalf of Mariangela Bondì via BDXlist <bdxlist at jlab.org>
Sent: Tuesday, May 30, 2023 6:40 AM
To: Marco Battaglieri <battaglieri at ge.infn.it>
Cc: BDXlist at jlab.org <BDXlist at jlab.org>; Marco Spreafico <marco.spreafico at ge.infn.it>
Subject: Re: [BDXlist] [EXTERNAL] BDX in JLab at 24 GeV white paper

Dear Colleagues

Attached you can find the new plot.

About the text, I propose to add the following sentence to the caption of the figure :

“The 90% CL  BDX sensitivity by using a 22 GeV (green line) electron beam. Limits are given for the scaling parameter y, proportional to the LDM-SM interaction cross section, as a function
of the LDM mass mχ. The curve refers to the ideal case of a zero-background measurement, considering a 300 MeV energy threshold and assuming an overall 20% signal efficiency”

Let me know if this you agree with this modification and you have any comments/suggestions within today. After that I will ask to Patrizia the possibility of text changing.

Best regards
Mariangela

On 29 May 2023, at 15:42, Marco Battaglieri <battaglieri at ge.infn.it> wrote:

Dear all,
Let's meet today Monday May 29 at 5:00PM CET
Here is the zoom link
https://urldefense.proofpoint.com/v2/url?u=https-3A__jlab-2Dorg.zoomgov.com_j_1616478958-3Fpwd-3DbzhlU1VyTmF3elg5RUw1aE9sS2ZHQT09&d=DwIGaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ru7nA6zPBSFajtw1o6aZjchIV9Cs2SBk2RiVldzQhDc&m=G7gd7M_maVfBPZAOLM-iGEkwHDL20dwgBrXWhh59ZsCO6bmbQFE9ZoIk1Lj6pfrP&s=5Ubg8uT3UKpO0mab-Dz-PaNkOZfHV3UOpmgZnab4i-8&e= <https://urldefense.proofpoint.com/v2/url?u=https-3A__jlab-2Dorg.zoomgov.com_j_1616478958-3Fpwd-3DbzhlU1VyTmF3elg5RUw1aE9sS2ZHQT09&d=DwMFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ru7nA6zPBSFajtw1o6aZjchIV9Cs2SBk2RiVldzQhDc&m=4kEe5hf5vWKIHuMLMdOB06H9gDm0U2lOxq3Uq2qnZ7uL4XM50M33Kei9YnsOLgRq&s=YwWxBVc-f70E1oVs_Zm3gt6B-_zkQcr9qe2RGpyvU_4&e=>
Talk to you in a while
Cheers
Marco

Mariangela Bondì wrote:
Folks both slots:

- Today 5pm (ITA time)
- Tomorrow 6 pm (ITA time)

are fine with me

I suggest to have a meeting TODAY

M.

On 29 May 2023, at 14:36, Andrea Celentano <Andrea.Celentano at ge.infn.it><mailto:Andrea.Celentano at ge.infn.it> wrote:

Ah sorry!! I meant today at 5 pm !! Still confused by night shift!!!

So, would it be ok to meet TODAY at 5 pm?

On 29 May 2023, at 14:22, Marco Battaglieri <battaglieri at ge.infn.it><mailto:battaglieri at ge.infn.it> wrote:

 tomorrow at 5PM I'm not available. What about 65:00PM or 7:00PM?
Marco

Andrea Celentano wrote:
Dear all,
sorry for late reply (night shift!). I am ok for tomorrow at 5PM Rome Time.

Bests,
Andrea

On 29 May 2023, at 11:10, Marco Battaglieri via BDXlist <bdxlist at jlab.org><mailto:bdxlist at jlab.org> wrote:

 Tomorrow I have a slot at 1PM-2PM  or after 6:00PM
Marco

Mariangela Bondì via BDXlist wrote:
Also Tomorrow all day is ok for me

M.

On 29 May 2023, at 10:21, lmarsicano via BDXlist <bdxlist at jlab.org><mailto:bdxlist at jlab.org> wrote:

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><mailto: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
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[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=<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=<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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