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

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Title: Increasing the Sensitivity of the Baikal-GVD Neutrino Telescope Using External Strings of Optical Modules.
Authors: Avrorin, A. V.1 (AUTHOR), Avrorin, A. D.1 (AUTHOR), Aynutdinov, V. M.1 (AUTHOR) aynutdin@yandex.ru, Allakhverdyan, V. A.2 (AUTHOR), Bardaćhová, Z.3 (AUTHOR), Belolaptikov, I. A.2 (AUTHOR), Borina, I. V.2 (AUTHOR), Budnev, N. M.4 (AUTHOR), Gafarov, A. R.4 (AUTHOR), Golubkov, K. V.1 (AUTHOR), Gorshkov, N. S.2 (AUTHOR), Gress, T. I.4 (AUTHOR), Dvornicky, R.2,3 (AUTHOR), Dzhilkibaev, Zh.-A. M.1 (AUTHOR), Dik, V. Y.2,5 (AUTHOR), Domogatsky, G. V.1 (AUTHOR), Doroshenko, A. A.1 (AUTHOR), Dyachok, A. N.4 (AUTHOR), Elzhov, T. V.2 (AUTHOR), Zaborov, D. N.1 (AUTHOR)
Source: Instruments & Experimental Techniques. Dec2023, Vol. 66 Issue 6, p1009-1017. 9p.
Subjects: Neutrino detectors, Very large array telescopes, Record collecting, Data recorders & recording, Neutrinos, Acquisition of data, Telescopes
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. [ABSTRACT FROM AUTHOR]
Copyright of Instruments & Experimental Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: 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. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Instruments & Experimental Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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