Abstract: In Novosibirsk, the Synchrotron Radiation Facility Siberian Circular Photon Source (SRF SKIF) 4+ generation synchrotron radiation source is currently under construction. Its specific feature is a low emittance at a high beam current. Collective effects in the dynamics of an intense beam may lead to various instabilities and, correspondingly, to worsen the quality of a beam or its complete loss. To suppress the undesirable effects, it is necessary to analyze the interaction of a beam with different vacuum chamber elements to minimize their impedances. This paper presents the calculation of longitudinal and transversal impedances for the main elements of the vacuum chamber of the SKIF storage ring, such as the fundamental harmonic resonator, flange connection, compensator, beam position monitor, and pumping port. The total coherent losses, kick-factor, and total effective impedance are calculated, and the contributions from each type of elements to the total characteristics are estimated.

Cite: Baistrukov M.A. , Nikiforov D.A. , Piminov P.A. , Krasnov A.A. , Rotov E.A.
Calculating the Impedance of the Storage Ring Vacuum Chamber of the Synchrotron Radiation Facility Siberian Circular Photon Source
Physics of Particles and Nuclei Letters. 2024. V.21. N3. P.356-362. DOI: 10.1134/s1547477124700262 WOS Scopus РИНЦ OpenAlex publication_identifier_short.sciact_skif_identifier_type

Dates:

Submitted:	Sep 15, 2023
Accepted:	Nov 23, 2023
Published print:	Jun 1, 2024
Published online:	Jun 7, 2024

Identifiers:

Web of science:	WOS:001241405200049
Scopus:	2-s2.0-85195570526
Elibrary:	68287812
OpenAlex:	W4399437380
publication_identifier.sciact_skif_identifier_type:	3471

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