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SMuK 2023 – wissenschaftliches Programm

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MP: Fachverband Theoretische und Mathematische Grundlagen der Physik

MP 11: Quantum Field Theory III (QED and Particle Detection)

MP 11.2: Vortrag

Donnerstag, 23. März 2023, 16:20–16:40, ZEU/0250

Electron-Positron Pair Production in High-Intensity Electromagnetic Fields — •Christian Kohlfürst1, Naser Ahmadiniaz1, Johannes Oertel2, and Ralf Schützhold1,31Helmholtz-Zentrum Dresden-Rossendorf, 01328 Dresden, Germany — 2Universität Duisburg-Essen, 47057 Duisburg, Germany — 3Technische Universität Dresden, 01062 Dresden, Germany

In ultra-strong electric fields energy in terms of photons can be converted into electrons and positrons. We introduce a novel approach to calculate the mean particle number in collisions of short-pulsed laser fields. In this regard, we further discuss the different regimes of pair production in terms of their unique signatures in particle phase-space and relate our findings to currently ongoing experiments.

Reference: [1] Christian Kohlfürst, Naser Ahmadiniaz, Johannes Oertel, Ralf Schützhold, Sauter-Schwinger effect for colliding laser pulses, arXiv:2107.08741 [hep-ph], to appear in Physical Review Letters.

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