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- Title
Experimental investigation of coupling impedances of the VEPP-4M electron-positron collider.
- Authors
Kiselev, V.; Smaluk, V.
- Abstract
The interaction of a beam with vacuum chamber elements via induced electromagnetic field is analyzed in the frequency domain using frequency-dependent coupling impedances. The knowledge of the impedances makes it possible to estimate the stability conditions for propagation of the beam. The calculation of impedances of accelerators like the VEPP-4M electron-positron collider with a large number of inhomogeneities in the vacuum chamber is a complicated and time-consuming problem. However, the impedances can be studied in such cases experimentally by analyzing the propagation of the beam. The results of experiments on the longitudinal and transverse impedances of VEPP-4M are considered. We describe a method for measuring the local transverse impedance ensuring a higher sensitivity as compared to the methods used earlier.
- Subjects
PARTICLES (Nuclear physics); NUCLEAR physics; ELECTRIC impedance; ELECTRON-positron interactions; ELECTROMAGNETIC fields
- Publication
Technical Physics, 2010, Vol 55, Issue 8, p1175
- ISSN
1063-7842
- Publication type
Article
- DOI
10.1134/S1063784210080165