Some results of the Advanced Photon Source beam lifetime studies

Author

Bizek, Hana M.

Author_Institution

Adv. Photon Source, Argonne Nat. Lab., IL, USA

Volume

2

fYear

1997

fDate

12-16 May 1997

Firstpage

1493

Abstract

Total beam lifetime consists of two components: the residual-gas-scattering lifetime and Touschek lifetime. The residual-gas lifetime is comprised of the elastic and inelastic scattering on electrons and elastic and inelastic scattering on nuclei. Touschek scattering involves scattering of particles within the bunch. One usually calculates only the elastic scattering on nuclei (single Coulomb scattering) and inelastic scattering on nuclei (bremsstrahlung) of the residual-gas-scattering lifetime component. Experience gained from computing the beam lifetime in the Advanced Photon Source (APS) storage ring shows that the electron scattering should not be neglected, particularly the inelastic contribution. Given the measured quantities from the APS storage ring, one can compare theoretical predictions with experimental results. Uncertainties in calculating the various contributions to lifetime will be discussed

Keywords

X-ray production; bremsstrahlung; electron accelerators; particle beam bunching; particle beam stability; storage rings; APS storage ring; Advanced Photon Source beam lifetime; Touschek lifetime; bremsstrahlung; bunch; elastic electron scattering; inelastic electron scattering; residual-gas-scattering lifetime; single Coulomb scattering; Apertures; Electron beams; Electron emission; Gases; Laboratories; Light scattering; Optical computing; Particle scattering; Positrons; Storage rings;

fLanguage

English

Publisher

ieee

Conference_Titel

Particle Accelerator Conference, 1997. Proceedings of the 1997

Conference_Location

Vancouver, BC

Print_ISBN

0-7803-4376-X

Type

conf

DOI

10.1109/PAC.1997.750737

Filename

750737