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Neutrino Factory/Muon Collider Document 128-v1

Alternating solenoid cooling channel for a Neutrino Factory

Document #:
Document type:
MuCool Note
Submitted by:
John Urish
Updated by:
John Urish
Document Created:
14 May 2000, 12:00
Contents Revised:
14 May 2000, 12:00
Metadata Revised:
14 May 2000, 12:00
Actually Revised:
14 Sep 2006, 13:35
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Alternating solenoid cooling channel with engineering constraint
is designed for the neutrino factory. The cooling channel
with 201.25MHz rf cavities
has a maximum magnetic fields of 3.4T on z-axis and 6T on solenoid
with current density of $58A/mm^2$. Minimum beta-function is 15cm,
which shows the smallest among cooling channels
that have been designed for the neutrino factory.
Correlated-Gaussian beam and LBNL upstream beam are considered
as initial beams for the cooling channel. Normalized transverse emittance
of 1500 mm-mrad is obtained in 150m cooling channels,
which satisfies requirement (1500mm-mrad) of the Neutrino Factory.
Transverse cooling result is also compared with that of
analytical formula, which shows good agreement.

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Posted by Kim

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Notes and Changes:
Eun-San Kim and Moohyun Yoon
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