Accelerating the Search for Disappearing Light Dark Matter — a Community Workshop

Sep 30, 2026, 1:00 PM → Oct 2, 2026, 12:00 PM Europe/Berlin

Seminar Room bctp (Bethe Center for Theoretical Physics)

Poster_Lohengrin.pdf

Wed, September 30

1 Welcome

2 Light Dark Matter - Models, Mechanisms and Predictions

3 Light Dark Matter - Existing Limits from Astroparticle Physics, Cosmology and Particle Physics

2:35 PM Coffee

4 Overview: LDMX

Speakers: Lauren Tomkins, Ruth Pöttgen

5 Overview: Lohengrin

Speakers: Cedric Breuning (University Bonn), Matthias Hamer (uni-bonn), Philip Bechtle (uni-bonn)

6 Overview: NA64

Speaker: Paolo Crivelli

6:30 PM Welcome Reception

Thu, October 1

7 Phenomenology: Signal Modelling

Speaker: Martin Schürmann

8 Phenomenology: QED Background

9 Phenomenology: Hadronic Backgrounds

Speakers: Einar Ele, Laney Klipphahn (Universistät Bonn)

10 Discussion Session: Generators and Detectorsimulation

10:30 AM Coffee

11 Accelerators: ELSA

Speaker: Dennis Proft (ELSA)

12 Accelerators: SLAC

13 Accelerators: JLAB

Speaker: Patrick Achenbach

14 Accelerators: CERN

Speaker: Dipanwita Bannerjee

12:35 PM Lunch

15 Magnets

Speaker: Pierre Thonet

16 Panel Discussion: Target + Tracker

4:00 PM Coffee

17 Panel Discussion: Calorimeters

Fri, October 2

18 Panel Discussion: TDAQ

19 Existing Infrastructure

Speakers: Dirk Zerwas, Florido Paganelli

10:30 AM Coffee

20 Open Points and Issues

21 Closeout Session