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Neutrino Factory/Muon Collider Document 130-v1

Comparizon of an Alternate Solenoid and Long Solenoid Cooling Channels

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MuCool Note
Submitted by:
John Urish
Updated by:
John Urish
Document Created:
02 Jun 2000, 12:00
Contents Revised:
02 Jun 2000, 12:00
Metadata Revised:
02 Jun 2000, 12:00
Actually Revised:
14 Sep 2006, 13:35
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Comparison of an Alternate Solenoid and Long Solenoid Cooling Channels

V.Balbekov, FNAL


Performances of 3 cooling channels are compared: (A) FOFO, (B) alternate
solenoid channel with additional correcting coils of small radius, (C)
long solenoid channel with single or double field flip. Realistic input
file obtained by the same precooling part with 16 GeV proton beam and
carbon target is used in all the cases.After an optimization, muon/proton
ratio after the cooling is about 0.1-0.12 being maximal in FOFO channel.
The double field flip channel allows to reach minimal transverse emittance
2.1 mm, single flip and (B)-channels provide 3.6-3.7 mm, and FOFO -- 5.4 mm

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