Energy loss measurements at LEP2

Author

Burkhardt, H. ; Muller, A.-S. ; Wenninger, J.

Author_Institution

CERN, Geneva, Switzerland

Volume

5

fYear

1999

fDate

1999

Firstpage

3011

Abstract

The accurate measurement of the W boson mass at LEP requires to determine the beam energy to the highest possible precision. Present schemes rely on accurate energy determinations in the range from 40 to 60 GeV using resonant depolarization and on precise extrapolations to high energy. Several methods based on measurements of the energy loss due to synchrotron radiation have been studied. Different approaches such as the study of the damping time of transverse oscillations, the radiofrequency sawtooth and the dependence of the synchrotron tune on the total accelerating voltage are described and results are discussed

Keywords

colliding beam accelerators; electron accelerators; particle beam diagnostics; storage rings; synchrotron radiation; 40 to 60 GeV; LEP2; W boson mass; damping time; energy determinations; energy loss measurements; radiofrequency sawtooth; resonant depolarization; synchrotron radiation; synchrotron tune; total accelerating voltage; transverse oscillations; Acceleration; Damping; Energy loss; Energy measurement; Extrapolation; Loss measurement; Radio frequency; Resonance; Synchrotron radiation; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Particle Accelerator Conference, 1999. Proceedings of the 1999

Conference_Location

New York, NY

Print_ISBN

0-7803-5573-3

Type

conf

DOI

10.1109/PAC.1999.792129

Filename

792129