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The project of the station of synchrotron radiation of the second stage Plamya-2 for the Siberian ring photon source SKIF is based on the experience gained during the development of the station "Plamya" on the storage ring VÉPP-4 at the Siberian Center for Synchrotron Radiation (SR). The station is designed to study the processes of combustion and thermal decomposition of various organic compounds by the method of photoionization mass spectrometry using vacuum ultraviolet (VUV) synchrotron radiation. The use of selective photoionization by VUV radiation in the molecular beam method of sampling from the reaction zone in flames or pyrolyzers makes it possible to identify and quantify the concentrations of atoms, radicals, and other labile and short-lived compounds, which provides key information on chemical transformations under conditions of high-speed combustion and thermal decomposition. The paper considers the possibility of using various SR generators available on the SKIF storage ring, as well as the optical scheme of the station and the conceptual design of its front-end. The experimental results of measuring photon fluxes for the Plamya station and the calculated photon fluxes on the sample for the Plamya-2 station are also presented. [ABSTRACT FROM AUTHOR]

The main technical solutions chosen to implement the project of fourth-generation synchrotron radiation (SR) source Synchrotron Radiation Facility "Siberian Circular Photon Source" (SRF SKIF), which is currently being built in Novosibirsk, are presented. The choice of the configuration and parameters of the synchrotron radiation source is described; the principles of the scientific program compilation are considered; and the radiation generation devices, the frontend design, and the engineering infrastructure are discussed. [ABSTRACT FROM AUTHOR]