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Phys. Rev. ST Accel. Beams 2, 124402 (1999) [6 pages]

Longitudinal coupling impedance of a plane conducting ring

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M. R. Masullo
INFN Sezione di Napoli, Complesso Universitario di Monte S. Angelo, I-80126, Napoli, Italy

G. Panariello and F. Schettino
Dipartimento di Ingegneria Elettronica, Università di Napoli Federico II, Via Claudio 21, I-80125, Napoli, Italy

V. G. Vaccaro
INFN Sezione di Napoli, Complesso Universitario di Monte S. Angelo, I-80126, Napoli, Italy
and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, Complesso Universitario di Monte S. Angelo, I-80126, Napoli, Italy

L. Verolino
INFN Sezione di Napoli, Complesso Universitario di Monte S. Angelo, I-80126, Napoli, Italy
and Dipartimento di Ingegneria Elettrica, Università di Napoli Federico II, Via Claudio 21, I-80125, Napoli, Italy

Received 4 March 1999; published 30 December 1999

In this paper, we propose a new method to evaluate the longitudinal coupling impedance of a charged particle passing perpendicularly through the center of a plane conducting ring. It is shown that the solution of the problem can be expressed as a double Neumann series, whose expansion coefficients can be easily computed. Moreover, we show the causality of the wake potential for a particle traveling at the speed of light.

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© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.2.124402
DOI:
10.1103/PhysRevSTAB.2.124402
PACS:
41.75.-i, 41.20.-q, 29.27.-a