Practical realization and design of three-cascade prism mass analyzer for isotopic analysis of H-He mixtures using MS-platform technology
I. GromovIoffe Institute, 26, Polytekhnicheskaya, Saint Petersburg, 194021, Russian FederationL. N. GallInstitute for Analytical Instrumentation of the Russian Academy of Sciences, 31-33, lit. A, Ulitsa Ivana Chernykh, St. Petersburg, 190103, Russian FederationV. D. SachenkoInstitute for Analytical Instrumentation of the Russian Academy of Sciences, 31-33, lit. A, Ulitsa Ivana Chernykh, St. Petersburg, 190103, Russian FederationN. R. GallIoffe Institute, 26, Polytekhnicheskaya, Saint Petersburg, 194021, Russian FederationSh U RajabovTashkent Institute of Finance, Tashkent, Uzbekistan
ABI
Аннотация
Abstract The paper presents the construction of a mass analyzer for the analysis of hydrogen-helium mixtures based on a magnetic prism using a three-stage circuit that includes two cylindrical capacitors. The choice of an ion-optical scheme that provides a high resolution of 3300, which is necessary for the separation of all nuclides formed during the analysis of hydrogen-helium mixtures, is justified. It is shown that the innovative «MS-Platform» technology makes it possible to ensure high assembly accuracy of the elements of the prism mass analyzer ion-optical circuit, which is necessary to realize all the advantages of a prism mass spectrometer compared to sector ones.
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