A Monte Carlo Method for Rayleigh Scattering in Liquid Detectors
Miao Yu (1), Wenjie Wu (2), Yayun Ding (3), Qian Liu (4), Feng Ren, (1), Zhenyu Zhang (1), Xiang Zhou (1) ((1) Wuhan University, Wuhan, China,, (2) University of California at Irvine, Irvine, USA, (3) Institute of High, Energy Physics, Beijing, China
TL;DR
This paper introduces a Monte Carlo simulation method that accurately models Rayleigh scattering in anisotropic liquids like water and LAB, considering molecular orientation fluctuations to improve detector light propagation understanding.
Contribution
The paper presents a novel Monte Carlo approach that incorporates orientational fluctuations of polarizability tensors to better simulate anisotropic liquid scattering.
Findings
Validated simulation results with LAB experiment
Accurate modeling of depolarization and angular distribution of scattered light
Enhanced understanding of light propagation in large liquid detectors
Abstract
A new Monte Carlo method has been implemented to describe the angular and polarization distributions of anisotropic liquids, like water and linear alkylbenzene, by considering orientational fluctuations of polarizability tensors. The scattered light of anisotropic liquids is depolarized with an angular distribution of , which is modified by the depolarization ratio . A standalone experiment has validated the simulation results of LAB. The new method can provide more accurate knowledge on light propagation in large liquid detectors, which is beneficial to the developments of reconstruction for detectors.
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Taxonomy
TopicsOptical Polarization and Ellipsometry · Calibration and Measurement Techniques · Surface Roughness and Optical Measurements