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Neutrino Factory/Muon Collider Document 162-v1

Superconducting Solenoids for the Muon Collider

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MuCool Note
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John Urish
Updated by:
John Urish
Document Created:
29 Aug 2000, 12:00
Contents Revised:
29 Aug 2000, 12:00
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29 Aug 2000, 12:00
Actually Revised:
14 Sep 2006, 13:35
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SUPERCONDUCTING SOLENOIDS FOR THE MUON COLLIDER M. A. Green, LBNL Y. Eyssa, S. Kenny, J. R. Miller, S. Prestemon, NHMFL and R. J. Weggel, BNL The muon collider is a new idea for lepton colliders. The ultimate energy of an electron ring is limited by synchrotron radiation. Muons, which have a rest mass that is 200 times that of an electron can be stored at much higher energies before synchrotron radiation limits ring performance. The problem with muons is their short life time (2.1 µs at rest). In order to operate a muon storage ring large numbers of muon must be collected, cooled and accelerated before they decay to an electron and two neutrinos. As we see it now, high field superconducting solenoids are an integral part of a muon collider muon production and cooling systems. This report will describe the design parameters for superconducting and hybrid solenoids that are used for pion production and collection, RF phase rotations of the pions as they decay into muons and the muon cooling (reduction of the muon emittance) before acceleration. This report was published in IEEE Transaction on Applied Superconductivity 10, No. 1, p 196, (2000)
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M. A. Green, LBNL, Y. Eyssa, S. Kenny, J. R. Miller, S. Prestemon, NHMFL, R. J. Weggel, BNL
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