Detecting Cherenkov light from 1–2 MeV electrons in linear alkylbenzene
Name
1811.11144.pdf
Description
Submitted version
Size
1011.84 KB
Format
Adobe PDF
Checksum (MD5)
2b330fda458c4ea8c31ac0d40ba448a6
Author(s)
Gruszko, J
Naranjo, B
Daniel, B
Elagin, A
Gooding, D
Grant, C
Ouellet, J
Winslow, L
Date Issued
2019
Journal
Journal of Instrumentation
Publisher
IOP Publishing
Version
Original manuscript
Abstract
© 2019 IOP Publishing Ltd and Sissa Medialab. The FlatDot detector has been used to demonstrate the separation of Cherenkov and scintillation light for 1 to 2 MeV electrons in linear alkylbenzene (LAB). With an average PMT transit time spread (TTS) of 200 ps, the early light in each event is clearly dominated by the Cherenkov signal, which on average comprises 86+2-3% of the light collected in the first 4.1 ns of each event. The spatial distributions of the Cherenkov and scintillation light are found to match those predicted in Monte Carlo simulations. This is a key step towards demonstrating direction reconstruction of β decays, a technique that could reduce 8B solar neutrino backgrounds for neutrinoless double-beta decay experiments in liquid scintillator.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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Creative Commons Attribution-Noncommercial-Share Alike
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DOI of Published Version
https://doi.org/10.1088/1748-0221/14/02/P02005
