Paper | Title | Page |
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MOPAB014 | Generating Low Beta Regions With Quadrupoles for Final Muon Cooling | 107 |
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Funding: Work supported by Fermi Research Alliance, LLC under contract No. DE-AC02-07CH11359 Muon beams and colliders are rich sources of new physics, if muons can be cooled. A normalized rms transverse muon emittance of 280 microns has been achieved in simulation with short solenoids and a betatron function of 3 cm. Here we use ICOOL, G4beamline, and MAD-X to explore using a 400 MeV/c muon beam and strong focusing quadrupoles to approach a normalized transverse emittance of 100 microns and finish 6D muon cooling. The low beta regions produced by the quadrupoles are occupied by dense, low Z absorbers, such as lithium hydride or beryllium, that cool the beam. Equilibrium transverse emittance is linearly proportional to the beta function. Reverse emittance exchange with septa and/or wedges is then used to decrease transverse emittance from 100 to 25 microns at the expense of longitudinal emittance for a high energy lepton collider. Work remains to be done on chromaticity correction. |
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DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-MOPAB014 | |
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