# The first dual-phase xenon TPC equipped with silicon photomultipliers and characterisation with $$^{37}\hbox {Ar}$$37Ar

@article{Baudis2020TheFD,
title={The first dual-phase xenon TPC equipped with silicon photomultipliers and characterisation with \$\$^\{37\}\hbox \{Ar\}\$\$37Ar},
author={Laura Baudis and Yanina Biondi and Michelle Galloway and Fr{\'e}d{\'e}ric Girard and Sophia M. Hochrein and S. Reichard and Patricia Sanchez-Lucas and K. Thieme and Julien Wulf},
journal={The European Physical Journal C},
year={2020},
volume={80},
pages={1-13}
}
• Published 3 March 2020
• Physics
• The European Physical Journal C
For the first time, a small dual-phase (liquid/gas) xenon time projection chamber was equipped with a top array of silicon photomultipliers for light and charge readout. Here we describe the instrument in detail, as well as the data processing and the event position reconstruction algorithms. We obtain a spatial resolution of $$\sim 1.5\,\text {mm}$$ ∼ 1.5 mm in the horizontal plane. To characterise the detector performance, we show calibration data with internal $$^{83\text {m}}\hbox {Kr}$$ 83…
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