用电子用于Tristan项目的硅漂移探测器的表征

论文标题

用电子用于Tristan项目的硅漂移探测器的表征

Characterization of Silicon Drift Detectors with Electrons for the TRISTAN Project

论文作者

Mertens, S., Brunst, T., Korzeczek, M., Lebert, M., Siegmann, D., Alborini, A., Altenmüller, K., Biassoni, M., Bombelli, L., Carminati, M., Descher, M., Fink, D., Fiorini, C., Forstner, C., Gugiatti, M., Houdy, T., Huber, A., King, P., Lebeda, O., Lechner, P., Pantuev, V. S., Parno, D. S., Pavan, M., Pozzi, S., Radford, D. C., Slezák, M., Steidl, M., Trigilio, P., Urban, K., Vénos, D., Wolf, J., Wüstling, S., Yen, Y. -R.

论文摘要

无菌中微子是粒子物理标准模型的最小扩展。搜索无菌中微子的一种有前途的独立于模型的方法是通过高精度β光谱法。配备了一种新型的多像素硅漂移检测器焦平面阵列和读出系统的Karlsruhe Tritium Neutrino（Katrin）实验，称为Tristan探测器，有可能取代先前基于实验室的搜索的敏感性。在这项工作中，我们介绍了用电子的第一个硅漂移检测器原型的表征，我们研究了检测器对电子反应的不确定性对最终无菌中微子敏感性的影响。

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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