用Geant4蒙特卡罗程序测定LYSO闪烁晶体的位置分辨率

IF 1.5 4区物理与天体物理 Q3 PHYSICS, PARTICLES & FIELDS

Advances in High Energy Physics Pub Date : 2021-03-31 DOI:10.1155/2021/9931708

M. Yahya, F. Kocak

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引用次数: 0

摘要

LYSO闪烁晶体由于具有光产率高、衰减时间快、moli半径小、辐射硬度好等显著特点，被提议用于土耳其加速器中心粒子厂(TAC-PF)探测器的电磁量热计部分。在这项工作中，使用重心技术来确定在LYSO阵列中引发电磁阵雨的电子的冲击坐标，在包含9个晶体的量热计模块中，每个晶体的横截面为25 mm × 25 mm，长度为200 mm。用能量在0.1 GeV-2 GeV范围内的电子研究了量热计模块的响应。通过基于Geant4的蒙特卡罗模拟，得到该模块在晶体中心的二维位置分辨率为σ R mm = 3.95±0.08 / E⊕1.91±0.11。

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Determination of Position Resolution for LYSO Scintillation Crystals Using Geant4 Monte Carlo Code

LYSO scintillation crystals, due to their significant characteristics such as high light yield, fast decay time, small Moliére radius, and good radiation hardness, are proposed to be used for the electromagnetic calorimeter section of the Turkish Accelerator Center Particle Factory (TAC-PF) detector. In this work, the center of gravity technique was used to determine the impact coordinates of an electron initiating an electromagnetic shower in a LYSO array, in a calorimeter module containing nine crystals, each 25 mm × 25 mm in cross-section and 200 mm in length. The response of the calorimeter module has been studied with electrons having energies in the range 0.1 GeV-2 GeV. By using the Monte Carlo simulation based on Geant4, the two-dimensional position resolution of the module is obtained as σ R mm = 3.95 ± 0.08 / E ⊕ 1.91 ± 0.11 at the center of the crystal.

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来源期刊

Advances in High Energy Physics PHYSICS, PARTICLES & FIELDS-

CiteScore

3.40

自引率

5.90%

发文量

审稿时长

6-12 weeks

期刊介绍： Advances in High Energy Physics publishes the results of theoretical and experimental research on the nature of, and interaction between, energy and matter. Considering both original research and focussed review articles, the journal welcomes submissions from small research groups and large consortia alike.