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T: Fachverband Teilchenphysik

T 29: Detectors III (Scintillators)

T 29.2: Vortrag

Dienstag, 1. April 2025, 16:30–16:45, VG 1.102

Large Area MMC-based Photon detector - LAMP — •Christian Ritter, Christian Enss, Andreas Fleishmann, Daniel Hengstler, Ashish Jadhav, Cagla Mahanoglu, Ioana-Alexandra Nitu, Andreas Reifenberger, Daniel Unger, and Loredana Gastaldo — Kirchhoff Institute for Physics, Heidelberg University

Using scintillating crystals coupled to temperature sensors and a photon sensor to detect the scintillation light emitted upon a particle interaction plays a very important role in experiments for rare event searches. Comparing the amplitude of the signal from the temperature sensor and the one of the photon sensor allows for discriminating light particles from heavy particles. We present the development and first characterization of a large area (metallic magnetic calorimeters) MMC-based photon detector (LAMP). This detector features an MMC sensor with stripline geometry fabricated onto a silicon substrate that is used as a photon absorber. The LAMP detector has been conceived to be used as a photon detector in the AMoRE experiment for the search of neutrinoless double beta decay in Mo-100 using calcium molybdate scintillating crystals. We discuss the achieved performance in relation to the requirement of the AMoRE experiment and the suitability of the LAMP detector design to be part of a combined photon and phonon detector sharing the same Si substrate.

Keywords: metallic magnetic calorimeters; Neutrinos; low temperature detectors