The intergration of liquid and solid muon absorbers into afocusing magnet of a muon cooling channel

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This report describes how one can integrate the muonabsorber with the focusing coils of a SFOFO muon cooling channel [1]. Theabsorber material must be a low Z material that reduces the muon momentumwith minimum scattering. The best materials to use for muon ionizationcooling absorbers are hydrogen, helium, lithium hydride, lithium, andberyllium. Hydrogen or helium in an absorber would normally be in theliquid state. Lithium hydride, lithium, and beryllium would normally bein the solid state. This report limits the absorber materials discussedto hydrogen, helium, lithium, and beryllium. In order to achieve the samelevel of ionization cooling with a solid absorber as ... continued below

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Green, M.A.; Black, E.L.; Cummings, M.A.; Kaplan, D.M.; Ishimoto,S.; Cobb, J.H. et al. May 1, 2003.

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This report describes how one can integrate the muonabsorber with the focusing coils of a SFOFO muon cooling channel [1]. Theabsorber material must be a low Z material that reduces the muon momentumwith minimum scattering. The best materials to use for muon ionizationcooling absorbers are hydrogen, helium, lithium hydride, lithium, andberyllium. Hydrogen or helium in an absorber would normally be in theliquid state. Lithium hydride, lithium, and beryllium would normally bein the solid state. This report limits the absorber materials discussedto hydrogen, helium, lithium, and beryllium. In order to achieve the samelevel of ionization cooling with a solid absorber as a liquid hydrogenabsorber, the beta of the muon beam must be reduced more than a factor oftwo. This affects both the designs of the absorber and the magnet aroundit. Reducing the beam beta reduces the momentum acceptance of thechannel. Integration of a liquid hydrogen absorber and solid absorberswith a superconducting focusing solenoid is discussed. The choice ofabsorber material affects the design of the superconducting focusingmagnet and the superconductor that is used to generate the magneticfield.

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  • 2003 Particle Accelerator Conference, Portland,Oregon, 12 - 17 May 2003

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  • Report No.: LBNL--52612
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 918103
  • Archival Resource Key: ark:/67531/metadc889221

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • May 1, 2003

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  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 29, 2016, 4:09 p.m.

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Green, M.A.; Black, E.L.; Cummings, M.A.; Kaplan, D.M.; Ishimoto,S.; Cobb, J.H. et al. The intergration of liquid and solid muon absorbers into afocusing magnet of a muon cooling channel, article, May 1, 2003; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc889221/: accessed June 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.