Karlsruhe 2024 – scientific programme

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T: Fachverband Teilchenphysik

T 14: Detectors 3 (muon detectors)

T 14.5: Talk

Monday, March 4, 2024, 17:00–17:15, Geb. 30.23: 3/1

Development of a cosmic muon and neutron veto system for IAXO and BabyIAXO — •Dhruv Chouhan, Elisa Ruiz Choliz, and Matthias Schott — Johannes Gutenberg University, Mainz, Germany

The International Axion Observatory (IAXO) experiment is a large-scale helioscope aimed at searching for axions and axion-like particles (ALPs) produced in the Sun. As a first step, the BabyIAXO was proposed as a smaller scale helioscope that will reach a sensitivity on the axion-photon coupling of 1.5 x 10 ⁻¹¹Gev⁻¹ for masses up to 0.25 eV, covering a very interesting region of the parameter space. To detect the axion signal, a very low background x-ray detector design is required. This talk will focus on the simulation and hardware developments of the BabyIAXO veto system for cosmic rays based on light-guided organic plastic scintillators with Silicon Photo Mutiplier (SiPM) sensors.

Keywords: IAXO; Scintillator; Silicon Photomultiplier; Muon Veto; Cosmic Muons