[BDXlist] [EXTERNAL] JPOS white paper - dark sector searches at JLab with a positron beam

[Andrea Bianconi]

Dear Andrea,
We of the Brescia group are interested in participating in the proposal.
This means me, Luca Venturelli, Valerio Mascagna, Marco Leali, and Giovanni
Costantini that has recently joined us.

Within a week I will send you comments on the draft, but the idea looks
extremely interesting and competitive.

Bye
Andrea Bianconi




On Tue, May 19, 2020 at 10:06 AM Andrea Celentano <
andrea.celentano at ge.infn.it> wrote:

> Dear BDX colleagues,
> Jefferson Laboratory recently started to investigate the physics potential
> of experiments making use of a future, possible positron beam at this
> facility, ranging from traditional hadron physics measurements to
> beyond-standard-model searches.
> These ideas have been recently discussed at the JPOS17 meeting (
> https://www.jlab.org/conferences/JPos2017/), organized with the support
> of the INFN community. The idea of exploiting this beam for dark photon and
> light dark matter searches was presented at this conference: Paolo Valente
> first gave an introductory talk concerning dark sector searches with
> positrons (jpos17_valente_compressed.pptx
> <https://www.jlab.org/indico/event/206/session/25/contribution/87/material/slides/0.pptx>),
> followed by a talk from Luca Marsicano (Luca_Marsicano_JPOS17.pdf
> <https://www.jlab.org/indico/event/206/session/25/contribution/91/material/paper/0.pdf>)
> discussing the possibility of a positron beam, thin-target “PADME-like”
> experiment.
>
> At the moment, the possibility of running a positron beam at JLab is at
> the proposal level, but the community is working coherently to make this
> real in the near future. As a follow-up, a White Paper collecting ideas for
> experiments at Jefferson Lab with a future positron beam is currently being
> prepared. We drafted a document describing both a thin-target and a
> thick-target experiment: you find it attached. The list of authors is
> clearly not final, we are working on it.
>
> In particular, we think that the thin-target experiment can be run
> starting from the day-1 of the JLab future positron era, benefitting from
> the equipment and the experience of the existing PADME experiment. The
> thick-target experiment, instead, will require some dedicated R&D, both on
> the detector and on the accelerator, and thus we foresee it as a future
> step.
>
> We invite you to send us comments for this document, and we also ask you
> if you are interested to sign it. To do so, please send your contribution
> to Andrea Celentano (andrea.celentano (at) ge.infn.it).
> We’d like to ask you to within one week, before Sunday, May 24th.
>
> Thanks,
>
> Bests,
> Andrea, Luca, Marco, Mauro, Paolo
>
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