Characterization of Silicon Drift Detectors with Electrons for the TRISTAN Project
S. Mertens, T. Brunst, M. Korzeczek, M. Lebert, D. Siegmann, A., Alborini, K. Altenm\"uller, M. Biassoni, L. Bombelli, M. Carminati, M., Descher, D. Fink, C. Fiorini, C. Forstner, M. Gugiatti, T. Houdy, A. Huber,, P. King, O. Lebeda, P. Lechner, V. S. Pantuev, D. S. Parno
TL;DR
This paper characterizes silicon drift detectors with electrons for the TRISTAN project, aiming to improve sterile neutrino searches via high-precision beta spectroscopy in the KATRIN experiment.
Contribution
It presents the first characterization of silicon drift detector prototypes with electrons and analyzes how response uncertainties affect sterile neutrino sensitivity.
Findings
Successful characterization of silicon drift detectors with electrons.
Assessment of detector response uncertainties on neutrino sensitivity.
Potential to enhance sterile neutrino detection capabilities.
Abstract
Sterile neutrinos are a minimal extension of the Standard Model of Particle Physics. A promising model-independent way to search for sterile neutrinos is via high-precision beta spectroscopy. The Karlsruhe Tritium Neutrino (KATRIN) experiment, equipped with a novel multi-pixel silicon drift detector focal plane array and read-out system, named the TRISTAN detector, has the potential to supersede the sensitivity of previous laboratory-based searches. In this work we present the characterization of the first silicon drift detector prototypes with electrons and we investigate the impact of uncertainties of the detector's response to electrons on the final sterile neutrino sensitivity.
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