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@ARTICLE{Kampmann:888818,
author = {Kampmann, Philipp and Cheng, Yaping and Ludhova, Livia},
title = {{A} semi-analytical energy response model for low-energy
events in {JUNO}},
journal = {Journal of Instrumentation},
volume = {15},
number = {10},
issn = {1748-0221},
address = {London},
publisher = {Inst. of Physics},
reportid = {FZJ-2020-05232},
pages = {P10007 - P10007},
year = {2020},
abstract = {The Jiangmen Underground Neutrino Observatory (JUNO) is a
next-generation neutrino experiment under construction in
China expected to be completed in 2022. As the main goal it
aims to determine the neutrino mass ordering with 3–4 σ
significance using a 20 kton liquid scintillator detector.
It will measure the oscillated energy spectrum of electron
anti-neutrinos from two nuclear power plants at about 53 km
baseline with an unprecedented energy resolution of $3\%$ at
1 MeV . A requirement of the JUNO experiment is the
knowledge of the energy non-linearity of the detector with a
sub-percent precision. As the light yield of the liquid
scintillator is not fully linear to the energy of the
detected particle and dependent on the particle type, a
model for this light yield is presented in this paper. Based
on an energy non-linearity model of electrons, this article
provides the conversion to the more complex energy response
of positrons and gammas. This conversion uses a fast and
simple algorithm to calculate the spectrum of secondary
electrons generated by a gamma, which is introduced here and
made open access to potential users. It is also discussed
how the positron non-linearity can be obtained from the
detector calibration with gamma sources using the results
presented in this article.},
cin = {IKP-2},
ddc = {610},
cid = {I:(DE-Juel1)IKP-2-20111104},
pnm = {612 - Cosmic Matter in the Laboratory (POF3-612)},
pid = {G:(DE-HGF)POF3-612},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000577278000007},
doi = {10.1088/1748-0221/15/10/P10007},
url = {https://juser.fz-juelich.de/record/888818},
}