SMuK 2023 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 84: Theory EW

T 84.3: Vortrag

Mittwoch, 22. März 2023, 18:00–18:15, HSZ/0204

Detection schemes for light-by-light scattering — Naser Ahmadiniaz, Thomas Cowan, •Sebastian Franchino-Viñas, Jörg Grenzer, Alejandro Laso-Garcia, Michal Smid, Toma Toncian, María Anabel Trejo, and Ralf Schützhold — Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany

In the theory of Quantum Electrodynamics loop corrections induce nonlinear interactions for the electromagnetic fields, allowing for effects such as light-by-light scattering. One of the most promising scenarios for its experimental detection regards the quantum vacuum diffraction and birefringence of x-rays at the combined field of two optical lasers. In this talk, we will theoretically compare various scenarios; as a way to deal with experimental constraints, we analyze cases in which the initial and final x-ray photons differ not just in polarization, but also in propagation direction or energy.