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Neutrino Factory/Muon Collider Document 275-v1

Muon Cooling Channels

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Document type:
MuCool Note
Submitted by:
John Urish
Updated by:
John Urish
Document Created:
10 Jun 2003, 12:00
Contents Revised:
10 Jun 2003, 12:00
Metadata Revised:
10 Jun 2003, 12:00
Actually Revised:
14 Sep 2006, 13:35
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Parameters of muon cooling channels are discussed that achieve cooling
of a muon beam from initial to final emittances in
all three degrees of freedom in a given length. Published
theories of ionisation cooling yield equilibrium emittances from multiple scattering
and energy straggling, and partition numbers. Limits are obtained on
the amplitude functions in all three degrees of freedom. Parameters
of wedge-shaped absorbers and partition numbers are derived for
simultaneous longitudinal and transverse cooling. Limits on length and material
of absorbers, and dispersion at the wedge-shaped absorbers are
obtained. Parameters are presented for the RF system, e.g. peak
voltage, frequency, stable phase angle. The properties of the magnetic
lattice which satisfies the conditions imposed by the longitudinal dynamics
are studied. The consequences of changes in the assumed performance
of the cooling channel on its parameters are discussed.
This is a Postscript document
Posted by Eberhard Keil
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Notes and Changes:
E. Keil
Publication Information:
Invited talk at COOL03
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