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

30 Sept 2026, 09:30 → 2 Oct 2026, 12:00 Europe/Berlin

Seminar Room bctp (Bethe Center for Theoretical Physics)

Poster_Lohengrin.pdf

Wednesday 30 September

1 Welcome

2 Light Dark Matter - Models, Mechanisms and Predictions

Speaker: Patrick Foldenauer

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

Speaker: Dr Kai Schmidt Hoberg

14:35 Coffee

4 Accelerators: ELSA

Speaker: Dennis Proft (ELSA)

5 Accelerators: SLAC

Speaker: Mei Bai

6 Accelerators: JLAB

Speaker: Patrick Achenbach

7 Accelerators: CERN

Speaker: Dipanwita Bannerjee

18:30 Welcome Reception

Thursday 1 October

8 Wakeup Session

9 Overview: LDMX

Speakers: Lauren Tompkins, Ruth Pöttgen

10 Overview: Lohengrin

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

10:30 Coffee

11 Overview: NA64

Speaker: Paolo Crivelli

12 Discussion

12:35 Lunch

13 Magnets

Speaker: Pierre Thonet

14 Tours

16:00 Coffee

15 Phenomenology: Signal Modelling

Speaker: Martin Schürmann

16 Phenomenology: Hadronic Backgrounds

Speakers: Einar Elén, Laney Klipphahn (Universistät Bonn)

17 Phenomenology: QED Background

18 Discussion Session: Generators and Detectorsimulation

19:00 Workshop Dinner

Sudhaus (Friedensplatz)

Friday 2 October

19 Wakeup Session

20 Existing Infrastructure 1

Speaker: Dirk Zerwas

21 Existing Infrastructure 2

Speaker: Florido Paganelli

10:30 Coffee

22 Open Points and Issues

23 Closeout Session