Characterization of electron clouds in the Cornell Electron Storage Ring Test Accelerator using TE-wave transmission

Autor: S. De Santis, J. M. Byrd, M. Billing, M. Palmer, J. Sikora, B. Carlson
Jazyk: angličtina
Rok vydání: 2010
Předmět:
Zdroj: Physical Review Special Topics. Accelerators and Beams, Vol 13, Iss 7, p 071002 (2010)
Druh dokumentu: article
ISSN: 1098-4402
DOI: 10.1103/PhysRevSTAB.13.071002
Popis: A relatively new technique for measuring the electron cloud density in storage rings has been developed and successfully demonstrated [S. De Santis, J. M. Byrd, F. Caspers, A. Krasnykh, T. Kroyer, M. T. F. Pivi, and K. G. Sonnad, Phys. Rev. Lett. 100, 094801 (2008).PRLTAO0031-900710.1103/PhysRevLett.100.094801]. We present the experimental results of a systematic application of this technique at the Cornell Electron Storage Ring Test Accelerator. The technique is based on the phase modulation of the TE mode transmitted in a synchrotron beam pipe caused by the periodic variation of the density of electron plasma. Because of the relatively simple hardware requirements, this method has become increasingly popular and has been since successfully implemented in several machines. While the principles of this technique are straightforward, quantitative derivation of the electron cloud density from the measurement requires consideration of several effects, which we address in detail.
Databáze: Directory of Open Access Journals