Springer Theses

Beam Diagnostics in Superconducting Accelerating Cavities

The Extraction of Transverse Beam Position from Beam-Excited Higher Order Modes

Authors: Zhang, Pei

  • Nominated as an outstanding Ph.D. thesis by the Deutsches Elektronen-Synchrotron (DESY), Hamburg, Germany
  • The author is the winner of the 2011 European Accelerator Prize for promising young researchers
  • A valuable didactic introduction for students and scientists new to the field of rf diagnostics
  • Provides a detailed survey of various dimension reduction methods applicable for rf diagnostics
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  • ISBN 978-3-319-34616-8
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About this book

An energetic charged particle beam introduced to an rf cavity excites a wakefield therein. This wakefield can be decomposed into a series of higher order modes and multipoles, which for sufficiently small beam offsets are dominated by the dipole component. This work focuses on using these dipole modes to detect the beam position in third harmonic superconducting S-band cavities for light source applications. A rigorous examination of several means of analysing the beam position based on signals radiated to higher order modes ports is presented. Experimental results indicate a position resolution, based on this technique, of 20 microns over a complete module of 4 cavities. Methods are also indicated for improving the resolution and for applying this method to other cavity configurations. This work is distinguished by its clarity and potential for application to several other international facilities. The material is presented in a didactic style and is recommended both for students new to the field, and for scientists well-versed in the field of rf diagnostics.

About the authors

The author read physics at the University of Science and Technology of China (USTC) in Hefei from 2002 to 2006. After graduating with a BSc in applied physics, he worked at CERN in Geneva for one year as a visiting scholar employed by the University of Michigan (Ann Arbor). In 2009, he was awarded a MSc in Particle Physics from USTC. Subsequently he joined the accelerator group at the University of Manchester to pursue a Ph.D. and was based at DESY (Hamburg). After successfully defending his Ph.D. thesis in December 2012, he joined the BE-RF group at CERN as a Marie-Curie Experienced Researcher.

Table of contents (7 chapters)

  • Introduction

    Zhang, Pei

    Pages 1-15

  • Electromagnetic Eigenmode Simulations of the Third Harmonic Cavity

    Zhang, Pei

    Pages 17-30

  • Measurements of HOM Spectra

    Zhang, Pei

    Pages 31-42

  • Analysis Methods for Beam Position Extraction from HOM

    Zhang, Pei

    Pages 43-60

  • Dependencies of HOM on Transverse Beam Offsets

    Zhang, Pei

    Pages 61-70

Buy this book

eBook $99.00
price for USA (gross)
  • ISBN 978-3-319-00759-5
  • Digitally watermarked, DRM-free
  • Included format: EPUB, PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Hardcover $129.00
price for USA
  • ISBN 978-3-319-00758-8
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
Softcover $129.00
price for USA
  • ISBN 978-3-319-34616-8
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
Rent the ebook  
  • Rental duration: 1 or 6 month
  • low-cost access
  • online reader with highlighting and note-making option
  • can be used across all devices
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Bibliographic Information

Bibliographic Information
Book Title
Beam Diagnostics in Superconducting Accelerating Cavities
Book Subtitle
The Extraction of Transverse Beam Position from Beam-Excited Higher Order Modes
Authors
Series Title
Springer Theses
Copyright
2013
Publisher
Springer International Publishing
Copyright Holder
Springer International Publishing Switzerland
eBook ISBN
978-3-319-00759-5
DOI
10.1007/978-3-319-00759-5
Hardcover ISBN
978-3-319-00758-8
Softcover ISBN
978-3-319-34616-8
Series ISSN
2190-5053
Edition Number
1
Number of Pages
XII, 118
Number of Illustrations and Tables
140 b/w illustrations, 40 illustrations in colour
Topics