FOR2783 Retreat "Probing the Quantum Vacuum"

10 Jul 2024, 13:00 → 12 Jul 2024, 14:00 Europe/Berlin

Annual Retreat of the DFG Research Unit 2783 "Probing the Quantum Vacuum"

Retreat 2024 at HHU Düsseldorf.

Campusplan-HHU.pdf

Fahrauskunft- Auszeit-Hotel .pdf

Fahrauskunft-HK-Hotel.pdf

Retreat-Program-2024.pdf

Wednesday 10 July

13:00 → 13:50 Arrival

(Lunch snacks)

13:50 → 14:00 Introductory remarks

14:00 → 14:45 Biref@HIBEF

Speaker: Felix Karbstein

14:45 → 15:30 A new X-ray polarization analysis method

Speaker: Willi Hippler

15:30 → 16:00 Break

16:00 → 16:45 A dark-field setup for the measurement of light-by-light scattering with high- intensity lasers

Speaker: Fabian Schütze

16:45 → 17:30 Current status of the planned photon-photon scattering experiment at CALA

As outlined in the second-phase DFG proposal and our recent publication [1], efforts are ongoing at CALA to implement a photon-photon scattering experiment based on two counter-propagating pulses from the same laser source. The beamline for a single pulse has been fully commissioned, including a central hole in the beam for the collection of scattered signal. This currently allows studies of the background only (by residual gas and static scattering from chamber components). We will report on quantitative estimates for the background contributions expected in the full collision experiment. We will also give an update on the progress towards counter-propagating the second beam and related challenges.

Speaker: Leonard Doyle

17:30 → 18:30 PI Meeting

Thursday 11 July

09:30 → 10:15 Darkfield technique for measure quantum vacuum signal

Speaker: Pooyan Khademi

10:15 → 11:00 Phase transition analogues in laser collisions with a dark-field setup

Speaker: Lars Maiwald

11:00 → 11:45 Adaptive Heisenberg-Euler solver using dynamic mesh refinement

Speaker: Rasmus Rasche

12:00 → 13:15 Lunch break

13:15 → 14:00 Laser Wakefield Acceleration to GeV Electron Energies for the Breit-Wheeler Experiment

Speaker: Katinka von Grafenstein

14:00 → 14:45 The impact of laser focussing and radiation reaction on particle spectra from nonlinear Breit-Wheeler pair production

Speaker: Alexandra Eckey

14:45 → 15:30 Background Analysis and Pair Detection at the FOR2783/E3 Experiment

Speaker: Felipe Salgado

15:30 → 16:00 Break

16:00 → 16:45 Simulation of dynamical pair creation in a strong electric field

Speaker: Yukiko Song

16:45 → 17:30 Dynamically assisted nonlinear Breit-Wheeler pair production in high-intensity laser fields

Speaker: Selym Villalba-Chavez

18:30 → 20:00 Dinner (FOR members)

Friday 12 July

09:30 → 10:15 Unveiling the phase space of nonlinear Compton scattering

Speaker: Nikita Larin

10:15 → 11:50 Lab Tour & Discussion

11:50 → 12:00 Closing remarks

12:00 → 13:00 Lunch/Departure