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28 April 2024

» arxiv » 1409.8636

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Development and Characterization of a Multi-APD Xenon Electroluminescence TPC
T. Lux ; A. Garcia Soto ; O. Ballester ; S. Bordoni ; I. Gil-Botella ; N. Hamer ; J. Illa ; G. Jover Mañas ; C. Martin-Mari ; C. Palomares ; J. Rico ; F. Sanchez ; R. Santorelli ; A. Verdugo ;
Date:	30 Sep 2014
Abstract:	The performance of an electroluminescence (EL) time projection chamber (TPC) with a multi avalanche photodiode (APD) readout was studied in pure xenon at 3.8 bar. Intercalibration and reconstruction methods were developed and applied to the data yielding energy resolutions as good as 5.3$+-$0.1 % FWHM for 59.5 keV gammas from 241-Am. The result was verified with a Monte Carlo (MC) based on Geant4 and Penelope predicting 5.2 % FWHM for the used setup. Point resolutions of about 0.5 mm were obtained by a pitch of 15 mm between the APDs. The results show that a multi-APD readout is a competitive technology for EL detectors filled with pure xenon with possible applications as Compton Cameras.
Source:	arXiv, 1409.8636
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