Rejecting noise in Baikal-GVD data with neural networks

被引:1
|
作者
Kharuk, I. [1 ,2 ]
Rubtsov, G. [1 ,3 ]
Safronov, G. [1 ,4 ]
机构
[1] Russian Acad Sci, Inst Nucl Res, 60Th October Anniversary Prospect 7A, Moscow 117312, Russia
[2] Moscow Inst Phys & Technol, Institutsky Lane 9, Dolgoprudnyi 141700, Moscow Region, Russia
[3] Novosibirsk State Univ, Lab Cosmol & Elementary Particle Phys, Novosibirsk 630090, Russia
[4] Joint Inst Nucl Res, Joliot Curie 6, Dubna 141980, Moscow Region, Russia
关键词
Analysis and statistical methods; Data analysis; Pattern recognition; cluster finding; calibration and fitting methods; Data Processing;
D O I
10.1088/1748-0221/18/09/P09026
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Baikal-GVD is a large (similar to 1 km3) underwater neutrino telescope installed in the fresh waters of Lake Baikal. The deep lake water environment is pervaded by background light, which is detectable by Baikal-GVD's photosensors. We introduce a neural network for an efficient separation of these noise hits from the signal ones, stemmng from the propagation of relativistic particles through the detector. The model has a U-Net-like architecture and employs temporal (causal) structure of events. The neural network's metrics reach up to 99% signal purity (precision) and 96% survival efficiency (recall) on Monte-Carlo simulated dataset. We compare the developed method with the algorithmic approach to rejecting the noise and discuss other possible architectures of neural networks, including graph-based ones.
引用
收藏
页数:16
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