[Hps] BDX & Beyond Workshop Announcement

[Patrick Achenbach]

Dear Colleagues,

we are organizing the two-day "BDX & Beyond" Workshop (in person and on Zoom), scheduled for September 4–5, 2025, at JLab. The workshop aims to optimize the use of secondary beams at JLab. A White Paper will summarize its findings and recommendations.

We are glad to accept oral contributions of 15+5 min via the indico page (https://indico.jlab.org/event/951/abstracts/).

This workshop will serve as a forum for presenting ideas relevant to secondary beam experiments at JLab and for engaging in discussions with experts from the muon, neutrino, dark matter, and accelerator physics communities. The scientific program is structured around the following tracks:

  1.  Muon physics
  2.  Neutrino physics
  3.  Dark matter and dark sector
  4.  Instrumentation and targets
  5.  Other topics (including beam dump and beam lines)

Invited speakers include: Andrei Afanasev (GWU), Dinawita Banerjee (CERN), Ethan Cline (StonyBrook), Luca Doria (MainzU), Claudio Montanari (INFN), Vishvas Pandey (FNAL), Ryan Plestid (CalTech), Riccardo Rossini (PaviaU), Davide Terzani (LBL).

Jefferson Lab is internationally recognized for its comprehensive scientific program in hadron physics, enabled by the up-to-12 GeV electron beam from CEBAF and primarily conducted through fixed-target experiments. The interaction of the high-intensity electron beam with the beam dump produces intense secondary beams of muons, neutrinos, neutrons, and potentially even hypothetical dark matter particles. The potential for producing a light dark matter beam is currently being explored by the PAC-approved Beam Dump eXperiment (BDX). The underground facility planned for BDX could also accommodate additional instrumentation to enable new experiments utilizing these secondary beams.

We look forward to seeing you at JLab this September!

Patrick Achenbach
Adi Ashkenazi
Marco Battaglieri
Jay Benesch
Mariangela Bondi
Eric Christy
Simona Giovannella
Thia Keppel
Michael Kohl
Camillo Mariani
Kevin McFarland
Jianwei Qiu
Adrian Signer
(BDX & Beyond Scientific Program Committee )
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