Increasing the Sensitivity of the Baikal-GVD Neutrino Telescope Using External Strings of Optical Modules

IF 0.4 4区工程技术 Q4 ENGINEERING, MULTIDISCIPLINARY

Instruments and Experimental Techniques Pub Date : 2023-12-04 DOI:10.1134/S0020441223040115

A. V. Avrorin, A. D. Avrorin, V. M. Aynutdinov, V. A. Allakhverdyan, Z. Bardaćhová, I. A. Belolaptikov, I. V. Borina, N. M. Budnev, A. R. Gafarov, K. V. Golubkov, N. S. Gorshkov, T. I. Gress, R. Dvornicky, Zh.-A. M. Dzhilkibaev, V. Y. Dik, G. V. Domogatsky, A. A. Doroshenko, A. N. Dyachok, T. V. Elzhov, D. N. Zaborov, V. K. Kebkal, K. G. Kebkal, V. A. Kozhin, M. M. Kolbin, K. V. Konischev, A. V. Korobchenko, A. P. Koshechkin, M. V. Kruglov, M. K. Kryukov, V. F. Kulepov, Y. M. Malyshkin, M. B. Milenin, R. R. Mirgazov, V. Nazari, D. V. Naumov, D. P. Petukhov, E. N. Pliskovsky, M. I. Rozanov, V. D. Rushay, E. V. Ryabov, G. B. Safronov, D. Seitova, A. E. Sirenko, A. V. Skurikhin, A. G. Solovje, M. N. Sorokovikov, A. P. Stromakov, O. V. Suvorov, V. A. Tabolenko, B. A. Taraschansky, L. Fajt, A. Khatun, E. V. Khramov, B. A. Shaybonov, M. D. Shelepov, F. Simkovic, I. Šteckl, E. Eckerová, Y. V. Yablokova

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Abstract

Deployment of the deep-sea neutrino telescope Baikal-GVD continues in Lake Baikal. By April 2022, ten telescope clusters, which include 2880 optical modules, were put into operation. One of the urgent tasks of the Baikal project is to study the possibility of increasing the detection efficiency of the detector based on the experience of its operation and the results obtained with other neutrino telescopes in recent years. In this paper, the authors consider a variant of optimizing the telescope configuration by installing an additional string of optical modules between the detector clusters (external string). An experimental version of the external garland was installed in Lake Baikal in April 2022. The paper presents the results from calculations of the efficiency of registration of neutrino events for a new setup configuration, the technical implementation of the system for recording and collecting data from the external garland, and the first results of its full-scale tests in Lake Baikal.

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利用外部光学模块串提高贝加尔-GVD 中微子望远镜的灵敏度

在贝加尔湖继续部署深海中微子望远镜 "贝加尔-GVD"。到 2022 年 4 月，包括 2880 个光学模块在内的 10 个望远镜群已投入使用。贝加尔湖项目的当务之急之一是根据其运行经验和近年来其他中微子望远镜取得的成果，研究提高探测器探测效率的可能性。在本文中，作者考虑了通过在探测器群之间安装额外的光学模块串（外部串）来优化望远镜配置的变体。2022 年 4 月，在贝加尔湖安装了一个实验版本的外部花环。论文介绍了对新设置配置的中微子事件登记效率的计算结果、外部花环数据记录和收集系统的技术实施情况，以及在贝加尔湖进行的全面测试的初步结果。

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

Instruments and Experimental Techniques 工程技术-工程：综合

CiteScore

1.20

自引率

33.30%

发文量

113

审稿时长

4-8 weeks

期刊介绍： Instruments and Experimental Techniques is an international peer reviewed journal that publishes reviews describing advanced methods for physical measurements and techniques and original articles that present techniques for physical measurements, principles of operation, design, methods of application, and analysis of the operation of physical instruments used in all fields of experimental physics and when conducting measurements using physical methods and instruments in astronomy, natural sciences, chemistry, biology, medicine, and ecology.