Paper |
Title |
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MOPRI007 |
Design and Simulation of a High Intensity Muon Beam Production for Neutrino Experiments. |
589 |
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- H. K. Sayed, H.G. Kirk, R.B. Palmer, D. Stratakis
BNL, Upton, Long Island, New York, USA
- K.T. McDonald
PU, Princeton, New Jersey, USA
- D.V. Neuffer
Fermilab, Batavia, Illinois, USA
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The production process of pions which then decay into muons, yields a muon beam with large transverse and longitudinal emittances. Such beam requires phase space manipulation to reduce the total 6D emittance before it could go through any acceleration stage. The design of the muon beam manipulation is based on Neutrino Factory front end design. In this study we report on a multi objective - multivariable global optimization of the front end using parallel genetic algorithm. The parallel optimization algorithm and the optimization strategy will be discussed and the optimized results will be presented as well.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-MOPRI007
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TUPRI008 |
Target System Concept for a Muon Collider/Neutrino Factory |
1568 |
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- K.T. McDonald
PU, Princeton, New Jersey, USA
- X.P. Ding
UCLA, Los Angeles, California, USA
- V.B. Graves
ORNL, Oak Ridge, Tennessee, USA
- H.G. Kirk, H. K. Sayed, D. Stratakis
BNL, Upton, Long Island, New York, USA
- N. Souchlas, R.J. Weggel
Particle Beam Lasers, Inc., Northridge, California, USA
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A concept is presented for a Target System in a staged scenario for a Neutrino Factory and eventual Muon Collider, with emphasis on initial operation with a 6.75 GeV proton beam of 1 MW power, and 50 Hz of pulses 3-ns long. A radiation cooled graphite target will be used in the initial configuration, with an option to replace this with a free-liquid-metal-jet target should 4-MW beam power become available at a later stage.
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DOI • |
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※ https://doi.org/10.18429/JACoW-IPAC2014-TUPRI008
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THPRI087 |
Magnet Design for the Target System of a Muon Collider/Neutrino Factory |
3976 |
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- R.J. Weggel
Particle Beam Lasers, Inc., Northridge, California, USA
- V.B. Graves
ORNL, Oak Ridge, Tennessee, USA
- H.G. Kirk
BNL, Upton, Long Island, New York, USA
- K.T. McDonald
PU, Princeton, New Jersey, USA
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The Target System and Pion Decay Channel for a Muon Collider/Neutrino Factory utilizes a string of solenoid magnet to capture and transport the low-energy pions whose decay provides the desired muon beams. The magnetic field strength at the target is 15-20 T, "tapering" down to 1.5-3 T in the Decay Channel. The superconducting coils which produce these fields must have substantial inner radius to accommodate internal shielding against radiation damage by secondary particles. A significant fraction of the primary beam energy is transported into the Decay Channel via protons, and the Decay Channel includes a magnetic chicane to provide a beam dump for these. The design of the various coils in this scenario is reported.
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※ https://doi.org/10.18429/JACoW-IPAC2014-THPRI087
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THPRI088 |
Energy Deposition in the Target System of a Muon Collider/Neutrino Factory |
3979 |
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- K.T. McDonald
PU, Princeton, New Jersey, USA
- V.B. Graves
ORNL, Oak Ridge, Tennessee, USA
- H.G. Kirk
BNL, Upton, Long Island, New York, USA
- N. Souchlas, R.J. Weggel
Particle Beam Lasers, Inc., Northridge, California, USA
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Most of the energy of the primary proton beam of Muon Collider/Neutrino Factory would be deposited in the superconducting coils that provide a solenoid-magnet transport channel for secondary particles, unless those coils are protected by massive internal shielding. Studies are reported of energy deposition in such shielding, with the goal of permitting 10 years operational life at 4-MW beam power. The graphite target should be able to withstand the "thermal shock" induced by the pulsed beam; further study is needed to confirm this.
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※ https://doi.org/10.18429/JACoW-IPAC2014-THPRI088
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THPRI089 |
Carbon Target Optimization for a Muon Collier/neutrino Factory With a 6.75 GeV Proton Driver |
3982 |
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- X.P. Ding
UCLA, Los Angeles, California, USA
- H.G. Kirk
BNL, Upton, Long Island, New York, USA
- K.T. McDonald
PU, Princeton, New Jersey, USA
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The first phase of a Muon Collider/Neutrino Factory program may use a 6.75-GeV proton driver with beam power of only 1 MW. At this lower power it is favorable to use a graphite target (replaced quarterly) with beam and target tilted slightly to the axis of the 15-20 T pion-capture solenoid around the target. The low-energy proton beam is significantly deflected by the magnetic field, requiring careful optimization, reported here, of the beam/target configuration.
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※ https://doi.org/10.18429/JACoW-IPAC2014-THPRI089
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