[BDXlist] [EXTERNAL] BDX: PAC51 jeopardy presentation

Marco Battaglieri battaglieri at ge.infn.it
Tue Jul 18 12:46:48 EDT 2023


Hi Andrea,
thanks for your comments: I'll implement them in the new version of the 
slides.
Below some more detailed answers.

Andrea Celentano wrote:
> Dear Marco,
> the slides are to me very clear. Here are my comments.
>
>   * Slide n. 6, in top-left figure the words are mirrored?
>
it was ment to show the dierction of the beam from right to left (see 
the aereal picture of the acc site).
>
>   * Slide n. 8, we only considered positrons resonant annihilation.
>
corrected
>
>   * Slide n. 11, the sentence “World exclusion limits are mainly the
>     same as 5y ago” is to me not appropriate. The NA64 experiment just
>     completed a run with ~ 1E12 EOT, and the new limits are
>     definitively stronger than those reported in the slide
>     (https://urldefense.proofpoint.com/v2/url?u=https-3A__arxiv.org_abs_2307.02404&d=DwIDaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ru7nA6zPBSFajtw1o6aZjchIV9Cs2SBk2RiVldzQhDc&m=JPWErguuF3EZgsD-q5qBY4pidZtwa17x31Px_r6TReKd58mmV2Oiv2xKSp59FupC&s=9qQ536LUB0p4-Jm8ZnoLnwe_rj_Ig5LscGQIt1xISpA&e= ).
>       o These results for the moment are only on arXiv (PRL paper was
>         submitted one week ago), so we can probably not mention them.
>         However, I would remove this sentence (note that the latest
>         published NA64 results are from 2021 PRD letter:
>         https://urldefense.proofpoint.com/v2/url?u=https-3A__arxiv.org_abs_2108.04195&d=DwIDaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ru7nA6zPBSFajtw1o6aZjchIV9Cs2SBk2RiVldzQhDc&m=JPWErguuF3EZgsD-q5qBY4pidZtwa17x31Px_r6TReKd58mmV2Oiv2xKSp59FupC&s=VPfXCHNJ_zaznv_YSM9CTUipHt5qqJ94atHlnjNjYsM&e= , 2 years ago)
>
I was not aware of the new NA64 publication: good job! I will certainly 
soften the message prizing the recent result. This cen be a good 
stimulus to let BDX run asap!~
What are the NA64 plans for the near future (say within 2028?)
Cheers
Marco
>
>
> Bests,
> Andrea
>
>
>
> PastedGraphic-1.png
>
>> On Jul 16, 2023, at 23:44, Marco Battaglieri via BDXlist 
>> <bdxlist at jlab.org> wrote:
>>
>> Dear BDXers,
>> here in attachment the draft of PAC presentation.
>> Please send me your comments/suggestions by Tuesday night EDT (in 
>> particular language corrections).
>> I'd propose to have a dry run on*Wednesday July  19 at 10:00AM EDT* 
>> via the usual zoom link
>> https://urldefense.proofpoint.com/v2/url?u=https-3A__jlab-2Dorg.zoomgov.com_j_1602402962-3Fpwd-3DSGtYZTFyOVgrbEUxdHN3Z1N1SVYrUT09&d=DwIDaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ru7nA6zPBSFajtw1o6aZjchIV9Cs2SBk2RiVldzQhDc&m=JPWErguuF3EZgsD-q5qBY4pidZtwa17x31Px_r6TReKd58mmV2Oiv2xKSp59FupC&s=8uJn9lqnK4X5LQF9aTYmfVFyjGM86ye_nC0v7lX4lE0&e= 
>> Talk to you in a while
>> cheers
>> Marco
>>
>> <bdx-PAC51-battaglieri.pdf>_______________________________________________
>> BDXlist mailing list
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>

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