SIMULATION OF DEFLECTING SYSTEM BASED ON PERMANENT MAGNETS WITH A NON-UNIFORM MAGNETIC FIELD TO REGISTER ACCELERATED AND DECELERATED ELECTRONS GENERATED IN DIELECTRIC LASER ACCELERATOR

IF 0.5 Q4 PHYSICS, NUCLEAR

Problems of Atomic Science and Technology Pub Date : 2023-12-12 DOI:10.46813/2023-148-110

I. V. Beznosenko, A. Vasyliev, G.V. Sotnikov

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Abstract

Deflection system was designed and computed to spatially separate beam of electrons with different energies in the range of several tens of kiloelectronvolts. Three specific cases with electron energies of (33.9 ± 0.3), (18.2 ± 0.3), and (14.2 ± 0.3) keV were examined for experiments using Dielectric Laser Accelerators. The results of calculations of the spatial distribution of the magnetic field induced by a pair of permanent magnets and its effect on electrons moving in this field are presented. Such magnetic spectrometers differ from their analogues in that par- ticles do not move along the center between magnets in a uniform magnetic field, but along their periphery, where the field is non-uniform, which provides higher resolution. Presented spectrometer provides the electron energy resolution of less than 10 eV. Research on such systems holds significant importance for the further development of methods for analyzing electrons with varying energies in modern accelerators and spectrometers.

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模拟基于非均匀磁场永久磁铁的偏转系统，以记录介质激光加速器中产生的加速和减速电子

设计并计算了偏转系统，以便在几十千电子伏特的范围内对不同能量的电子束进行空间分离。在使用介质激光加速器进行实验时，对电子能量分别为（33.9 ± 0.3）、（18.2 ± 0.3）和（14.2 ± 0.3）千电子伏特的三种具体情况进行了研究。对一对永久磁铁所引起的磁场的空间分布及其对在该磁场中运动的电子的影响的计算结果进行了介绍。这种磁谱仪与同类仪器的不同之处在于，粒子不是沿着均匀磁场中磁铁之间的中心移动，而是沿着磁场不均匀的磁铁外围移动，因此分辨率更高。目前的光谱仪可提供小于 10 eV 的电子能量分辨率。对这种系统的研究对于进一步开发现代加速器和光谱仪中不同能量电子的分析方法具有重要意义。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Problems of Atomic Science and Technology 物理-核科学技术

CiteScore

0.70

自引率

50.00%

发文量

审稿时长

2-4 weeks

期刊介绍： The journal covers the following topics: Physics of Radiation Effects and Radiation Materials Science; Nuclear Physics Investigations; Plasma Physics; Vacuum, Pure Materials and Superconductors; Plasma Electronics and New Methods of Acceleration.