Solenoidal ionization cooling lattices

We explore a practical approach for designing ionization cooling channels with periodic solenoidal focusing. We examine the lattice characteristics in terms of the properties of the coils and the cell geometry. The peak magnetic field in the coils is an important engineering constraint in lattice de...

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Bibliographic Details
Main Authors: R. C. Fernow, R. B. Palmer
Format: Article
Language:English
Published: American Physical Society 2007-06-01
Series:Physical Review Special Topics. Accelerators and Beams
Online Access:http://doi.org/10.1103/PhysRevSTAB.10.064001
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author R. C. Fernow
R. B. Palmer
author_facet R. C. Fernow
R. B. Palmer
author_sort R. C. Fernow
collection DOAJ
description We explore a practical approach for designing ionization cooling channels with periodic solenoidal focusing. We examine the lattice characteristics in terms of the properties of the coils and the cell geometry. The peak magnetic field in the coils is an important engineering constraint in lattice design. We examine the dependence of the peak field, momentum passband locations, and the beta function on the coil parameters. We make a systematic examination of all allowed lattice configurations taking into account the symmetry properties of the current densities and the beta function. We introduce a unique classification for comparing cooling lattice configurations. While solutions with a single coil per cell illustrate most of the effects that are important for cooling channel design, the introduction of additional coils allows more flexibility in selecting the lattice properties. We look at example solutions for the problem of the initial transverse cooling stage of a neutrino factory or muon collider and compare our results with the properties of some published cooling lattice designs. Scaling laws are used to compare solutions from different symmetry classes.
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spelling doaj.art-8566318c8a91451aa8bae99a95564aaf2022-12-22T01:29:24ZengAmerican Physical SocietyPhysical Review Special Topics. Accelerators and Beams1098-44022007-06-0110606400110.1103/PhysRevSTAB.10.064001Solenoidal ionization cooling latticesR. C. FernowR. B. PalmerWe explore a practical approach for designing ionization cooling channels with periodic solenoidal focusing. We examine the lattice characteristics in terms of the properties of the coils and the cell geometry. The peak magnetic field in the coils is an important engineering constraint in lattice design. We examine the dependence of the peak field, momentum passband locations, and the beta function on the coil parameters. We make a systematic examination of all allowed lattice configurations taking into account the symmetry properties of the current densities and the beta function. We introduce a unique classification for comparing cooling lattice configurations. While solutions with a single coil per cell illustrate most of the effects that are important for cooling channel design, the introduction of additional coils allows more flexibility in selecting the lattice properties. We look at example solutions for the problem of the initial transverse cooling stage of a neutrino factory or muon collider and compare our results with the properties of some published cooling lattice designs. Scaling laws are used to compare solutions from different symmetry classes.http://doi.org/10.1103/PhysRevSTAB.10.064001
spellingShingle R. C. Fernow
R. B. Palmer
Solenoidal ionization cooling lattices
Physical Review Special Topics. Accelerators and Beams
title Solenoidal ionization cooling lattices
title_full Solenoidal ionization cooling lattices
title_fullStr Solenoidal ionization cooling lattices
title_full_unstemmed Solenoidal ionization cooling lattices
title_short Solenoidal ionization cooling lattices
title_sort solenoidal ionization cooling lattices
url http://doi.org/10.1103/PhysRevSTAB.10.064001
work_keys_str_mv AT rcfernow solenoidalionizationcoolinglattices
AT rbpalmer solenoidalionizationcoolinglattices