U.S. Department of EnergyOffice of Scientific and Technical Information
Transverse mis-alignments in a driver
Abstract
The transverse errors of the beam lines are usually corrected by an appropriate feed back to bring the beam back on axis. In an induction linac, however, the head and tail of the bunch differ substantially in momentum at a given lens location. As a result, the correction has to be time dependent. Such a correction becomes increasingly difficult as the beam energy increases and the time duration of the bunch decreases. As a step towards an understanding of the problem, we have analyzed the extreme case of applying no correction. Since the lattice configuration changes and the transverse oscillations are damped as the ions are accelerated, the rms amplitude does not increase simply as the square root of the number of periods, as one would expect for constant velocity in a uniform channel. 2 refs., 2 figs.
- Authors:
- Publication Date:
- Research Org.:
- Lawrence Berkeley Lab., CA (USA)
- OSTI Identifier:
- 7058620
- Report Number(s):
- LBL-25099; CONF-8806101-4
ON: DE89002671
- DOE Contract Number:
- AC03-76SF00098
- Resource Type:
- Conference
- Resource Relation:
- Conference: International symposium on heavy ion inertial fusion, Darmstadt, F.R. Germany, 28 Jun 1988; Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 43 PARTICLE ACCELERATORS; LINEAR ACCELERATORS; BEAM DYNAMICS; ALIGNMENT; BEAM BUNCHING; EQUATIONS OF MOTION; FOCUSING; ACCELERATORS; DIFFERENTIAL EQUATIONS; EQUATIONS; PARTIAL DIFFERENTIAL EQUATIONS; 430200* - Particle Accelerators- Beam Dynamics, Field Calculations, & Ion Optics
Citation Formats
Smith, L, and Hahn, K. Transverse mis-alignments in a driver. United States: N. p., 1988.
Web.
Smith, L, & Hahn, K. Transverse mis-alignments in a driver. United States.
Smith, L, and Hahn, K. 1988.
"Transverse mis-alignments in a driver". United States. https://www.osti.gov/servlets/purl/7058620.
@article{osti_7058620,
title = {Transverse mis-alignments in a driver},
author = {Smith, L and Hahn, K},
abstractNote = {The transverse errors of the beam lines are usually corrected by an appropriate feed back to bring the beam back on axis. In an induction linac, however, the head and tail of the bunch differ substantially in momentum at a given lens location. As a result, the correction has to be time dependent. Such a correction becomes increasingly difficult as the beam energy increases and the time duration of the bunch decreases. As a step towards an understanding of the problem, we have analyzed the extreme case of applying no correction. Since the lattice configuration changes and the transverse oscillations are damped as the ions are accelerated, the rms amplitude does not increase simply as the square root of the number of periods, as one would expect for constant velocity in a uniform channel. 2 refs., 2 figs.},
doi = {},
url = {https://www.osti.gov/biblio/7058620},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Jun 01 00:00:00 EDT 1988},
month = {Wed Jun 01 00:00:00 EDT 1988}
}