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T: Fachverband Teilchenphysik

T 91: Methods in Particle Physics V

T 91.1: Talk

Friday, March 20, 2026, 09:00–09:15, KH 00.020

Positron Source for Future Collider Designs (HALHF, LCF, ILC, CLIC) — •Gudrid Moortgat-Pick^1,2, Niclas Hamann², Manuel Formela², Malte Trautwein¹, Gregor Loisch², Tim Lengler³, Dieter Lott³, and Sabine Riemann² — ¹University of Hamburg — ²Deutsches Elektronen Synchrotron — ³Hereon

Higgs Physics and Beyond Standard Model Physics require high-energetic lepton colliders of at least a cms of 550 GeV. In particular the positron source is a challenge for all future lepton colliders. In the talk new R&D developments for polarized positron sources for the high-energy designs as Hybrid Asymmetric Linear Higgs Factory (HALHF), Linear Collider Facility at CERN (LCF), International Linear Collider (ILC) and Compact Linear Collider (CLIC) are discussed. The talk includes physics requirements, status of target and OMD prototypes, automatized simulation tools.

Keywords: Positron Source; Beam Driven Plasma Acceleration; Undulator; Polarization; HALHF