Phys. Rev. ST Accel. Beams 3, 112001 (2000) [6 pages]

Cavity longitudinal loss factor measurement by means of a beam test facility

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A. Palmieri and L. Tecchio
INFN Laboratori Nazionali di Legnaro, via Romea 4, I-35020 Legnaro (PD), Italy

G. V. Lamanna and V. Variale
INFN Bari, Via E. Orabona 4, I-70126 Bari, Italy

A. V. Aleksandrov and P. V. Logatchov
Budker Institute of Nuclear Physics, 11 Lavrentiev Prospekt, Novosibirsk, 630090, Russian Federation

V. G. Vaccaro
Università degli Studi di Napoli “Federico II” and INFN Napoli, Via Cinthia 45 (Monte S. Angelo), I-80126 Napoli, Italy

M. R. Masullo
INFN Napoli, Via Cinthia 45 (Monte S. Angelo), I-81026 Napoli, Italy

Received 20 June 2000; published 20 November 2000

A new method for the measurement of loss factor for an rf cavity is presented. The method consists of measuring the above quantity by means of the detection of both the rf voltage induced by an electron bunch in the device under test and the bunch charge. The device to be investigated is a copper reentrant T-shaped cavity. The experimental results and their comparison with analytical and numerical results are presented.


©2000 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevSTAB.3.112001
DOI: 10.1103/PhysRevSTAB.3.112001
PACS: 29.27.Bd

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