Tunestabilized, nonscaling, fixedfield, alternating gradient accelerator
Abstract
A FFAG is a particle accelerator having turning magnets with a linear field gradient for confinement and a large edge angle to compensate for acceleration. FODO cells contain focus magnets and defocus magnets that are specified by a number of parameters. A set of seven equations, called the FFAG equations relate the parameters to one another. A set of constraints, call the FFAG constraints, constrain the FFAG equations. Selecting a few parameters, such as injection momentum, extraction momentum, and drift distance reduces the number of unknown parameters to seven. Seven equations with seven unknowns can be solved to yield the values for all the parameters and to thereby fully specify a FFAG.
 Inventors:

 Warrenville, IL
 Issue Date:
 Research Org.:
 Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
 Sponsoring Org.:
 USDOE
 OSTI Identifier:
 1015411
 Patent Number(s):
 7880146
 Application Number:
 US Patent Application 7880146
 Assignee:
 Universities Research Association, Inc. (Washington, DC)
 Patent Classifications (CPCs):

H  ELECTRICITY H05  ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR H05H  PLASMA TECHNIQUE
 DOE Contract Number:
 AC0276CH03000
 Resource Type:
 Patent
 Country of Publication:
 United States
 Language:
 English
 Subject:
 43 PARTICLE ACCELERATORS
Citation Formats
Johnstone, Carol J. Tunestabilized, nonscaling, fixedfield, alternating gradient accelerator. United States: N. p., 2011.
Web.
Johnstone, Carol J. Tunestabilized, nonscaling, fixedfield, alternating gradient accelerator. United States.
Johnstone, Carol J. Tue .
"Tunestabilized, nonscaling, fixedfield, alternating gradient accelerator". United States. https://www.osti.gov/servlets/purl/1015411.
@article{osti_1015411,
title = {Tunestabilized, nonscaling, fixedfield, alternating gradient accelerator},
author = {Johnstone, Carol J},
abstractNote = {A FFAG is a particle accelerator having turning magnets with a linear field gradient for confinement and a large edge angle to compensate for acceleration. FODO cells contain focus magnets and defocus magnets that are specified by a number of parameters. A set of seven equations, called the FFAG equations relate the parameters to one another. A set of constraints, call the FFAG constraints, constrain the FFAG equations. Selecting a few parameters, such as injection momentum, extraction momentum, and drift distance reduces the number of unknown parameters to seven. Seven equations with seven unknowns can be solved to yield the values for all the parameters and to thereby fully specify a FFAG.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2011},
month = {2}
}
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