Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 57: Axionen II

T 57.1: Gruppenbericht

Mittwoch, 27. März 2019, 16:00–16:20, S09

The ALPS II experiment — •Jan H. Põld¹ and Aaron D. Spector² for the ALPS collaboration — ¹AEI Hannover — ²DESY Hamburg

ALPS II is a light-shining-through-a-wall experiment searching for undiscovered sub-eV elementary particles motivated by astrophysics and cosmology. These particles are not accessible with accelerator based experiments. ALPS II is located at DESY in Hamburg. In its final version it will use 20 superconducting HERA dipole magnets, ultra-stable lasers and two long-baseline cavities that are housed in a 200m long vacuum system. The installation and commissioning of the experiment will start next year and first data are expected in 2020. This talk will discuss the physics case for ALPS II and the sensitivity of the experiment. An explanation of the light-shining-through-a-wall approach will be provided as well as an overview of the ALPS II experiment.