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Neutrino Factory/Muon Collider Document 239-v1

An alternating solenoid focused ionization cooling ring

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Document type:
MuCool Note
Submitted by:
John Urish
Updated by:
John Urish
Document Created:
25 Mar 2002, 12:00
Contents Revised:
25 Mar 2002, 12:00
Metadata Revised:
25 Mar 2002, 12:00
Actually Revised:
14 Sep 2006, 13:35
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This note describes the design of an ionization cooling ring that uses an RFOFO type alternating-polarity solenoid lattice. The ring is approximately 33 m in circumference and has 11 cells. Each cell has two opposing focusing solenoids placed either side of a hydrogen wedge absorber. The solenoid coils are located outside of pillbox rf cavities. Bending is provided by an overall dipole field of 0.125 T. The simulated "merit factor" (roughly the increase in 6D phase space density) is approximately 50.

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J.S. Berg, R.C. Fernow, R.B. Palmer
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Last Modified by MT on 6 February 2006
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