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Measurement of Liquid Argon Scintillation Light Properties by means of an Alpha Source placed inside the CERN 10-PMT LAr Detection System

Conference · · JINST
 [1];  [2];  [1];  [3];  [2];  [4];  [5];  [5];  [2];  [5];  [5];  [1];  [2]
  1. INFN, Catania
  2. CERN
  3. Fermilab
  4. INFN, Genoa
  5. Pavia U.
+ Show Author Affiliations
A particle detection system that exploits the scintillation light produced by ionizing particles in liquid argon (LAr) has been assembled at CERN. The system is based on 10 large-area photomultiplier tubes (PMT) immersed in a 1500-liter dewar filled with liquid argon and equipped with an extendible feed-through and mechanical support for an alpha source (241Am). The position of the source can be changed with respect to the PMT plane in vertical and horizontal directions. Arrays of silicon photomultiplier (SiPM) photodetectors, integrated in the source support, are used for the data acquisition trigger and to define the t0 of the light generation. PMT and SiPM signals can be recorded at different distances and different positions allowing the measurement of some of the LAr scintillation light properties. The system was studied and characterized in detail, and physics results on LAr scintillation properties are expected soon.
Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
DOE Contract Number:
AC02-07CH11359
OSTI ID:
1638674
Report Number(s):
FERMILAB-CONF-20-313-ND; arXiv:2004.09231; oai:inspirehep.net:1791895
Conference Information:
Journal Name: JINST Journal Issue: 06 Journal Volume: 15
Country of Publication:
United States
Language:
English

References (4)

Characterization of SiPM arrays in different series and parallel configurations
  • Cervi, Tommaso; Babicz, Marta; Bonesini, Maurizio
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 912 https://doi.org/10.1016/j.nima.2017.11.038
journal December 2018
An innovative technique for TPB deposition on convex window photomultiplier tubes journal December 2018
Experimental study of the propagation of scintillation light in Liquid Argon
  • Babicz, M.; Bordoni, S.; Cervi, T.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 936 https://doi.org/10.1016/j.nima.2018.10.082
journal August 2019
A particle detector that exploits Liquid Argon scintillation light
  • Babicz, M.; Diwan, M.; Fava, A.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 958 https://doi.org/10.1016/j.nima.2019.162421
journal April 2020

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