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A Water Cherenkov Spectrometer.

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Title: A Water Cherenkov Spectrometer.
Authors: Akhmad, S. M.1,2 (AUTHOR), Alekseev, V. I.1 (AUTHOR), Baskov, V. A.1 (AUTHOR) baskov@x4u.lebedev.ru, Dronov, V. A.1 (AUTHOR), L'vov, A. I.1 (AUTHOR), Kolzov, A. V.1 (AUTHOR), Poliansky, V. V.1 (AUTHOR), Sidorin, S. S.1 (AUTHOR)
Source: Instruments & Experimental Techniques. Dec2025, Vol. 68 Issue 6, p942-948. 7p.
Subjects: Cherenkov counters, Spectrometers, Electron beams, Photomultipliers, Electron kinetic energy
Abstract: A water Cherenkov spectrometer with a thickness of 0.5X0 has been calibrated on the secondary electron beam at the Pakhra accelerator of the Lebedev Physical Institute of the Russian Academy of Sciences. The amplitude and time recording systems of the spectrometer are based on FEU-85 photomultiplier tubes. It has been determined that the relative energy resolution is not high in the electron energy range of 10–30 MeV and is minimal, ~50%, at electron energy E ~ 25 MeV. Three regions are discerned in the dependence of the time-resolved spectrum of the middle channel on the electron energy: the dependence is proportional at 0 < E < 13 MeV and nonlinear at 13 < E < 45 MeV. At E ≥ 45 MeV, the value of the middle-channel timing spectrum is independent of the energy. [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: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Instruments+%26+Experimental+Techniques%22&quot;&gt;Instruments &amp; Experimental Techniques&lt;/searchLink&gt;. Dec2025, Vol. 68 Issue 6, p942-948. 7p.
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  Data: A water Cherenkov spectrometer with a thickness of 0.5X0 has been calibrated on the secondary electron beam at the Pakhra accelerator of the Lebedev Physical Institute of the Russian Academy of Sciences. The amplitude and time recording systems of the spectrometer are based on FEU-85 photomultiplier tubes. It has been determined that the relative energy resolution is not high in the electron energy range of 10–30 MeV and is minimal, ~50%, at electron energy E ~ 25 MeV. Three regions are discerned in the dependence of the time-resolved spectrum of the middle channel on the electron energy: the dependence is proportional at 0 &lt; E &lt; 13 MeV and nonlinear at 13 &lt; E &lt; 45 MeV. At E ≥ 45 MeV, the value of the middle-channel timing spectrum is independent of the energy. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Instruments &amp; Experimental Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder&#39;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.&lt;/i&gt; (Copyright applies to all Abstracts.)
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        Value: 10.1134/S0020441225701258
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        Type: general
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      – SubjectFull: Electron beams
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      – SubjectFull: Photomultipliers
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              Text: Dec2025
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