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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2019, Volume 45, Issue 16, Pages 30–32
DOI: https://doi.org/10.21883/PJTF.2019.16.48153.17860 (Mi pjtf5348) 		 
This article is cited in 1 scientific paper (total in 1 paper)

A study of the residual gas composition in the vacuum system of the cyclotron of the Ioffe Physical Technical Institute

N. N. Aruev, M. A. Kozlovskii, M. F. Kudoyarov, M. Ya. Patrova, P. A. Romanov, R. V. Tyukal'tsev, I. L. Fedichkin, S. V. Filippov

Ioffe Institute, St. Petersburg
Full-text PDF (159 kB) Citations (1)
DOI: https://doi.org/10.21883/PJTF.2019.16.48153.17860
Abstract: Mass spectra of residual gas molecules in vacuum system of the cyclotron of the Ioffe Physical Technical Institute (St. Petersburg) were obtained under various experimental conditions using a compact FT-200 time-of-flight mass spectrometer designed and manufactured at the institute. The measurements were performed in the vacuum chamber of cyclotron and in a terminal part of the ion guiding channel near the sample irradiation chamber. It is established that main contributions to residual gas composition in the cyclotron vacuum chamber are related to molecules of the vacuum oil (up to 82 vol %) and water molecules (up to 15–17 vol %), Water molecules also account for the main contribution (up to 63 vol %) to residual gas composition in the terminal part of the ion guiding channel near the sample irradiation chamber with a polymer film. The obtained data provide a basis for upgrade of the cyclotron complex of the Ioffe Physical Technical Institute.
Keywords: time-of-flight mass spectrometer, cyclotron vacuum system, residual gas composition.
Received: 29.04.2019
Revised: 13.05.2019
Accepted: 13.05.2019
English version:
Technical Physics Letters, 2019, Volume 45, Issue 8, Pages 827–830
DOI: https://doi.org/10.1134/S1063785019080182
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: N. N. Aruev, M. A. Kozlovskii, M. F. Kudoyarov, M. Ya. Patrova, P. A. Romanov, R. V. Tyukal'tsev, I. L. Fedichkin, S. V. Filippov, “A study of the residual gas composition in the vacuum system of the cyclotron of the Ioffe Physical Technical Institute”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 45:16 (2019), 30–32; Tech. Phys. Lett., 45:8 (2019), 827–830
Citation in format AMSBIB
\Bibitem{AruKozKud19}
\by N.~N.~Aruev, M.~A.~Kozlovskii, M.~F.~Kudoyarov, M.~Ya.~Patrova, P.~A.~Romanov, R.~V.~Tyukal'tsev, I.~L.~Fedichkin, S.~V.~Filippov
\paper A study of the residual gas composition in the vacuum system of the cyclotron of the Ioffe Physical Technical Institute
\jour Pisma v Zhurnal Tekhnicheskoi Fiziki
\yr 2019
\vol 45
\issue 16
\pages 30--32
\mathnet{http://mi.mathnet.ru/pjtf5348}
\crossref{https://doi.org/10.21883/PJTF.2019.16.48153.17860}
\elib{https://elibrary.ru/item.asp?id=41131217}
\transl
\jour Tech. Phys. Lett.
\yr 2019
\vol 45
\issue 8
\pages 827--830
\crossref{https://doi.org/10.1134/S1063785019080182}
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