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Title: The S-Band 1.6 Cell RF Gun Correlated Energy Spread Dependence on pi and 0 Mode Relative Amplitude

Abstract

The {pi} mode or accelerating mode in a 1.6 cell rf gun is normally the only mode considered in rf gun simulations. However, due to the finite Q there is a small but measurable 0 mode present even at steady state. The {pi} mode by definition has a 180{sup o} phase shift between cells but this phase shift for the total field is several degrees different. This results in a correlated energy spread exiting the gun. A comparison of simulation and experiment will be shown.

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
876591
Report Number(s):
SLAC-PUB-11702
TRN: US200606%%624
DOE Contract Number:  
AC02-76SF00515
Resource Type:
Conference
Resource Relation:
Conference: Contributed to Workshop on the Physics and Applications of High Brightness Electron Beams (PAHBEB 2005), Erice, Sicily, Italy, 9-14 Oct 2005
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; AMPLITUDES; BRIGHTNESS; ELECTRON BEAMS; PHASE SHIFT; RF SYSTEMS; ELECTRON GUNS; OSCILLATION MODES; Accelerators,ACCPHY

Citation Formats

Schmerge, J F, Castro, J, Clendenin, J E, Dowell, D H, Gierman, S M, Loos, H, and /SLAC. The S-Band 1.6 Cell RF Gun Correlated Energy Spread Dependence on pi and 0 Mode Relative Amplitude. United States: N. p., 2006. Web.
Schmerge, J F, Castro, J, Clendenin, J E, Dowell, D H, Gierman, S M, Loos, H, & /SLAC. The S-Band 1.6 Cell RF Gun Correlated Energy Spread Dependence on pi and 0 Mode Relative Amplitude. United States.
Schmerge, J F, Castro, J, Clendenin, J E, Dowell, D H, Gierman, S M, Loos, H, and /SLAC. 2006. "The S-Band 1.6 Cell RF Gun Correlated Energy Spread Dependence on pi and 0 Mode Relative Amplitude". United States. https://www.osti.gov/servlets/purl/876591.
@article{osti_876591,
title = {The S-Band 1.6 Cell RF Gun Correlated Energy Spread Dependence on pi and 0 Mode Relative Amplitude},
author = {Schmerge, J F and Castro, J and Clendenin, J E and Dowell, D H and Gierman, S M and Loos, H and /SLAC},
abstractNote = {The {pi} mode or accelerating mode in a 1.6 cell rf gun is normally the only mode considered in rf gun simulations. However, due to the finite Q there is a small but measurable 0 mode present even at steady state. The {pi} mode by definition has a 180{sup o} phase shift between cells but this phase shift for the total field is several degrees different. This results in a correlated energy spread exiting the gun. A comparison of simulation and experiment will be shown.},
doi = {},
url = {https://www.osti.gov/biblio/876591}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Feb 24 00:00:00 EST 2006},
month = {Fri Feb 24 00:00:00 EST 2006}
}

Conference:
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