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Low Emittance Muon Collider Development Rolland P. Johnson Muons, Inc. ( http://www.muonsinc.com/ )

m. Muons, Inc. Low Emittance Muon Collider Development Rolland P. Johnson Muons, Inc. ( http://www.muonsinc.com/ )

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Low Emittance Muon Collider Development Rolland P. Johnson Muons, Inc. ( http://www.muonsinc.com/ )

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  1. m Muons, Inc. Low Emittance Muon Collider Development Rolland P. Johnson Muons, Inc. (http://www.muonsinc.com/) Muons, Inc. is committed to discovering new concepts and developing them and other older concepts, especially with new technology, for bright muon beams, neutrino factories, and muon colliders Recent progress was reported at EPAC08 (Genoa) in 21 papers and LINAC08 (Victoria) in 4 papers. Immanent progress is promised in ~35 abstracts submitted to PAC09 (Vancouver). http://www.muonsinc.com/ MC Design Workshop JLab

  2. m Muons, Inc. Muons, Inc. Scenario for:High-Energy High-Luminosity Muon Colliders • precision lepton machines at the energy frontier • achieved in physics-motivated stages that require developing inventions and technology, e.g. • intense proton driver (CW Linac, H- Source, Laser Stripping) • stopping muon beams (HCC, EEX w Homogeneous absorber) • neutrino factory (HCC with HPRF, RLA in CW Proj-X) • Z’ factory (low Luminosity collider, HE RLA) • Higgs factory (extreme cooling, low beta, super-detectors) • Energy-frontier muon collider (more cooling, lower beta) MC Design Workshop JLab

  3. m Muons, Inc. New Proposals for 2009 • Jlab BES 01b High Power Co-Axial SRF Coupler • SNS 03b H- Ion Sources for High Intensity Proton Drivers • JLab 03a Improved DC Gun Insulator • SNS 04d Laser Stripping for H- Injection • Cornell 04b Beam Pipe HOM absorber for 750 MHz • NIU HEP 35a Low Beta Region Muon Collider Detector Design • UC 35a Picosecond Timing Counters • NIU 35a Advances in Multi-Pixel Photon Counter Technology • FSU 36d HTS development for 30-50 T final muon cooling solenoids • JLab 38b Epicyclic channels for PIC • JLab 38b Achromatic Low Beta for Colliders • FNAL 38b Novel Muon Collection Scheme • BNL 38g Simulation Tools for the Muon Collider Feasibility Study • IIT 39a Gridded-Wire Windows for High Pressure RF Cavities • FNAL NP 46a Dielectric Loaded RF Cavities • FNAL 46a Phase and frequency locked magnetrons for SRF Sources • FNAL 46a Compact, Tunable RF Cavities • IIT 46d Particle Refrigerator • FSU FES 55c Fiber Optics for Fusion Applications MC Design Workshop JLab

  4. m Muons, Inc. Abstracts for PAC09 • ________________from 2009 Phase I Proposals_______ • Neubauer JLab High Power Co-Axial SRF Coupler • Dudnikov SNS H- Ion Sources for High Intensity Proton Drivers • Sah JLab Improved DC Gun Insolator • Beard SNS Laser Stripping for H- Injection • Neubauer Cornell Beam Pipe HOM absorber for 750 MHz • Cummings NIU Low Beta Region Muon Collider Detector Design • Abrams UC Picosecond Timing Counters • Abrams NIU Advances in Multi-Pixel Photon Counter Technology • Kahn FSU HTS development for 30-50 T final muon cooling solenoids • Afanasev JLab Epicyclic channels for PIC • Derbenev JLab Achromatic Low Beta for Colliders • Yoshikawa FNAL Novel Muon Collection Scheme • Yoshikawa FNAL Neutrino Factory/Muon Collider Front End Study • Roberts BNL Simulation Tools for the Muon Collider Feasibility Study • Alsharo’a IIT Gridded-Wire Windows for High Pressure RF Cavities • Popovic FNAL Dielectric Loaded RF Cavities • Popovic FNAL Phase and frequency locked magnetrons for SRF Sources • Johnson FNAL Compact, Tunable RF Cavities • Roberts IIT Particle Refrigerator • Schwartz FSU Fiber Optics for Fusion Applications • _______________from 2008 Phase I Projects_________________ • Turenne FSU Multi-purpose Fiber Optic Sensors for HTS Magnets • Neubauer JLab Rugged Ceramic Window for RF Applications • Yonehara FNAL Hydrogen-filled RF Cavities for Muon Beam Cooling • Wang Pulsed-Focusing Recirculating Linacs for Muon Acceleration • BastaniNejad LBNL RF Breakdown Studies using Pressurized Cavities • _______________from Phase II Projects_____________________ • Ankenbrandt FNAL Stopping Muon Beams • Zlobin FNAL Magnets for Muon 6D Helical Cooling Channels • Lamm FNAL Development and Demonstration of 6-D Muon Beam Cooling • Kahn FNAL Integrating the MANX Cooling Experiment into the MICE Spectrometers • Ahmed IIT Particle Tracking in Matter-Dominated Beam Lines • Neuffer FNAL Muon Capture, Phase Rotation, and Precooling in HPRF Cavities • Ivanov JLab Reverse Emittance Exchange for Muon Colliders • _______________from DOE Next Year___________________________ • Yonehara FNALTraveling Wave RF system • Trbojevic JLab Multipass Arc Design for Muon Acceleration • Ankebrandt JLab RF-Induced Emittance Exchange MC Design Workshop JLab

  5. m Muons, Inc. HCC is Essential for LEMC (solenoid + helical dipole + helical quad) • Basic beliefs: • Muon beams have enormous emittances • even after a factor of106 6D cooling, transverse emittances still are ~1000 mm-mr • Resonance driving terms depend on powers of emittance • Field errors in cooling lattices, random and structural from lumped elements, will cause resonant losses • Field homogeneity is essential in the cooling channel • HCC is most homogeneous cooling channel MC Design Workshop JLab

  6. m Muons, Inc. Muons, Inc. Project History Year Project Expected Funds Research Partner • 2002 Company founded • 2002-5 High Pressure RF Cavity $600,000 IIT (Dan K.) • 2003-7 Helical Cooling Channel $850,000 Jlab (Slava D.) • 2004-5†MANX demo experiment $ 95,000 FNAL TD (Victor Y.) • 2004-7 Phase Ionization Cooling $745,000 Jlab (Slava D.) • 2004-7 HTS Magnets $795,000 FNAL TD (Victor Y.) • 2005-9 Reverse Emittance Exch. $850,000 Jlab (Slava D.) • 2005-9 Capture, ph. rotation $850,000 FNAL AD (Dave N.) • 2006-9 G4BL Sim. Program $850,000 IIT (Dan K.) • 2006-9 MANX 6D Cooling Demo $850,000 FNAL TD (M. Lamm) • 2007-10 Stopping Muon Beams $750,000 FNAL APC (Chuck A.) • 2007-10 HCC Magnets $750,000 FNAL TD (Sasha Z.) • 2007-8† Compact, Tunable RF $100,000 FNAL AD (Milorad) • 2008-9 Pulsed Quad RLAs $100,000 Jlab (Alex B.) • 2008-9 Fiber Optics for HTS $100,000 FSU (Justin S.) • 2008-9 RF Breakdown Studies $100,000 LBNL (Derun L.) • 2008-9 Rugged RF Windows $100,000 Jlab (Bob Rimmer) • 2008-9 H2-filled RF Cavities $100,000 FNAL APC (Katsuya,) • 2009 Illinois matching $150,000 DCEO (Hedin) Underlined are explicitly related to HCC , others support related RF and magnet R&D. MC Design Workshop JLab

  7. m Muons, Inc. DRAFT Proposal out todayMANX following MICE at RAL The Muon Collider and Neutrino Factory Ionization Cooling Experiment (MANX) is proposed to test the theory, an example useful for stopping muon beams, and simulations of the Helical Cooling Channel (HCC) by constructing a helical solenoid (HS) magnet and installing it at the Rutherford-Appleton Laboratory (RAL) as part of the international Muon Ionization Cooling Experiment (MICE). Because of its potential importance to Fermilab for muon cooling applications, including muon colliders, neutrino factories, and stopping muon beams, it is proposed that MANX be organized as a joint Fermilab-RAL project, where Fermilab is responsible for the magnet and detector upgrades and RAL provides the MICE beam line, where much of the MICE apparatus can be reused. MANX will test the HCC concept in its momentum-dependent incarnation, where a muon beam will lose about half of its energy in a continuous absorber, the HS field strength will scale with the muon momentum, and no RF energy replacement is required. This approach has advantages in that the experiment will be less expensive and more timely for not needing about 150 MeV of RF and in that there is a proposed upgrade to the mu2e experiment for the Project-X era that could use the same HS magnet. The momentum-independent incarnation of the HCC, where RF is used to keep the momentum nearly constant, is not tested directly in this version of MANX. However, the theory of the HCC, the technology of the HS, and simulations that involve 150 MeV of absorber will be tested to give confidence that the effectiveness of new muon cooling techniques, especially for collider use, can be accurately predicted. MANX is an appropriate $10M intermediate step toward a $100M useful muon cooling channel. MC Design Workshop JLab

  8. m Muons, Inc. Key MANX features • Will Test: • Theory of Helical Cooling Channel (HCC) • p-dependent HCC with continuous absorber • modify currents to change cooling decrements, • Helical Solenoid Magnet (HS) • Simulation programs (G4BL, ICOOL) • Minimizes costs and time • no RF, uses normalized emittance, ~5 m LHe E absorber • RF is developed in parallel with new concepts • builds on MICE, adds 6-d capability, ~ps detectors • Synergies in funding for uses w/o RF: • HS for stopping muons, especially mu2e upgrade • Isochronous pion decay channel • Precooler MC Design Workshop JLab

  9. m Muons, Inc. Test of Ionization Cooling with Emittance Exchange MC Design Workshop JLab

  10. m Muons, Inc. Principle of Ionization Cooling • Each particle loses momentum by ionizing a low-Z absorber • Only the longitudinal momentum is restored by RF cavities • The angular divergence is reduced until limited by multiple scattering • Successive applications of this principle with clever variations leads to small emittances for many applications • Early work: Budker, Ado & Balbekov, Skrinsky & Parkhomchuk, Neuffer MC Design Workshop JLab

  11. m Muons, Inc. Transverse Emittance IC • The equation describing the rate of cooling is a balance between cooling (first term) and heating (second term): • Here nis the normalized emittance, Eµis themuon energy in GeV, dEµ/ds and X0 are the energy loss and radiation length of the absorber medium,  is the transverse beta-function of the magnetic channel, and  is the particle velocity. Bethe-Bloch Moliere (with low Z mods) MC Design Workshop JLab

  12. Wedges or Continuous Energy Absorber for Emittance Exchange and 6d Cooling m Muons, Inc. Ionization Cooling is only transverse. To get 6D cooling, emittance exchange between transverse and longitudinal coordinates is needed. THIS RH CONCEPTUAL PICTURE BE REALIZED? A MANX GOAL! MC Design Workshop JLab

  13. m Muons, Inc. Helical Cooling Channel • First simulations showed factor of ~150,000 reduction in 6d emittance in less than 100 m of HCC. • ~40,000 microns normalized transverse acceptance • Used 200 MHz H2-pressurized cavities inside magnet coils. (absorber and RF occupy same space) • Engineering Implementation requires creativity • Coils outside of such large RF Cavities are difficult. Solutions? • bigger coils: Helical Solenoid with/without correction coils • smaller cavities: 1) dielectric-loaded or 2) traveling wave solutions • smaller pitch angle (weaker helical dipole) eases field at conductor • H2-Pressurized RF cavities are undeveloped/unproven • Max RF gradient shown to be insensitive to external B field. • MTA proton beam tests soon. (SF6 dopantcalcs/tests encouraging) MC Design Workshop JLab

  14. m Muons, Inc. 6-Dimensional Cooling in a Continuous Absorber • Helical cooling channel (HCC) • Continuous absorber for emittance exchange • Solenoidal, transverse helical dipole and quadrupole fields • Helical dipoles known from Siberian Snakes • z- and time-independent Hamiltonian • Derbenev & Johnson, Theory of HCC, April/05 PRST-AB • http://www.muonsinc.com/reports/PRSTAB-HCCtheory.pdf MC Design Workshop JLab

  15. m Muons, Inc. Particle Motion in an HCC Magnet Combined function magnet (invisible in this picture) Solenoid + Helical dipole + Helical Quadrupole Red: Reference orbit Blue: Beam envelope Magnet Center Dispersive component makes longer path length for higher momentum particles and shorter path length for lower momentum particles. Opposing radial forces Transforming to the frame of the rotating helical dipole leads to a time and z –independent Hamiltonian b' added for stability and acceptance MC Design Workshop JLab

  16. m Muons, Inc. Some Important Relationships Hamiltonian Solution Equal cooling decrements Longitudinal cooling only ~Momentum slip factor ~ MC Design Workshop JLab

  17. m Muons, Inc. Test of Simulation Programs MC Design Workshop JLab

  18. m Muons, Inc. Precooler + HCCsWith first engineering constraints Series of HCCs Precooler Solenoid + High Pressurized RF • The acceptance is sufficiently big. • Transverse emittance can be • smaller than longitudinal emittance. • Emittance grows in the longitudinal • direction. MC Design Workshop JLab

  19. Engineering HCC with RF Incorporating RF cavities in Helical Cooling Channels RF is completely inside the coil. • Use a pillbox cavity (but no window this time). • RF frequency is determined by the size of helical solenoid coil. • Diameter of 400 MHz cavity = 50 cm • Diameter of 800 MHz cavity = 25 cm • Diameter of 1600 MHz cavity = 12.5 cm GH2 • The pressure of gaseous hydrogen is 200 atm at room temp to • adjust the RF field gradient to be a practical value. • The field gradient can be increased if the breakdown would be • well suppressed by the high pressurized hydrogen gas. RF Window RF cavity Helical solenoid coil MC Design Workshop JLab

  20. m Muons, Inc. Test of Helical Solenoid MC Design Workshop JLab

  21. m Muons, Inc. Helical Cooling Channel Continuous, homogeneous energy absorber for longitudinal cooling Helical Dipole magnet component for dispersion Solenoidal component for focusing Helical Quadrupole for stability and increased acceptance BNL Helical Dipole magnet for AGS spin control MC Design Workshop JLab

  22. m Muons, Inc. Two Different Designs of Helical Cooling Magnet Great new innovation! Large bore channel (conventional) Small bore channel (helical solenoid) • Siberian snake type magnet • Consists of 4 layers of helix dipole to produce • tapered helical dipole fields. • Coil diameter is 1.0 m. • Maximum field is more than 10 T. • Helical solenoid coil magnet • Consists of 73 single coils (no tilt). • Maximum field is 5 T • Coil diameter is 0.5 m. MC Design Workshop JLab

  23. m Muons, Inc. HS for Cooling Demonstration Experiment V. Kashikhin, A. Zlobin, M. Lamm, S. Kahn, M. Lopes Goals: cooling demonstration, HS technology development Features: SSC NbTi cable, Bmax~6 T, coil ID ~0.5m, length ~10m • Status: conceptual design complete • solenoid • matching sections • Next: engineering design • mechanical structure • field quality, construction tolerances • cryostat • powering and quench protection MC Design Workshop JLab

  24. m Muons, Inc. Overview of original MANX • Use Liquid He absorber • No RF cavity • L of cooling channel: 3.2 m • L of matching section: 2.4 m • Helical pitch k: 1.0 • Helical orbit radius: 25 cm • Helical period: 1.6 m • Transverse cooling: ~1.3 • Longitudinal cooling: ~1.3 • 6D cooling: ~2 MC Design Workshop JLab

  25. Matching + Helical Cooling Magnets m Muons, Inc. Design HCC Magnet Upstream Matching Increase gap between coils from 10 to 40 mm HCC Downstream Matching • Helix period = 1.2 m • Number of coils per period = 20 • Coil length = 0.05 m • Gap between coils = 0.01 m • Current = 430.0 A/mm2 • Gap between coils = 0.04 m • Current = 1075.0 A/mm2 MC Design Workshop JLab

  26. m Muons, Inc. Simulation in best cooling option • 6D cooling factor ~2 • Transverse/longitudinal cooling factor ~1.3 • Not perfect/Need more tuning MC Design Workshop JLab

  27. m Muons, Inc. What is New(est) • Incorporating RF in HCC (new grants/proposals) • HS Correction coils; more room, lower f (Katsuya) • Adding Dielectric to lower f/R (Milorad) • Traveling wave solution (Lars,…) • Studies of lower pitch angle (Valeri, Bob, Slava,..) • HPRF development in using proton beam about to start • Impact of dopants on e- absorption (Alvin, Rose, ) • Engineering of magnet coils • 4-coil study underway for VTS (Lamm, Kashikhin,…) • Unmatched HCC in MICE saves t and $ • New grants for HTS HS for more cooling • Feb ‘09 presentation to FNAL AAC • support from FNAL for MANX at MICE ($5-10M magnet) • support from MICE collaboration and RAL needed! MC Design Workshop JLab

  28. H2-Pressurized RF Cavities Continuous Absorber for Emittance Exchange Helical Cooling Channel Epicyclic HCC Parametric-resonance Ionization Cooling Reverse Emittance Exchange RF capture, phase rotation, cooling in HP RF Cavities Bunch coalescing Very High Field Solenoid magnets for better cooling p-dependent HCC precooler HTS for extreme transverse cooling MANX 6d Cooling Demo improved mu2e design m Muons, Inc. new ideas under development: MC Design Workshop JLab

  29. m Muons, Inc. HCC Magnets for MANX Prototype coils for MANX have been designed and modeled. Construction of a 4-coil assembly using SSC cable is complete. Tests in the TD vertical Dewar will start soon. Since the MANX matching sections are made of coils with varying offset, they are more expensive than the cooling region. Consequently the total magnet cost can be drastically reduced if the matching sections are not needed. MC Design Workshop JLab

  30. m Muons, Inc. Can we save t and $ by eliminating matching sections? Magnet ~$10M Magnet < $5M LHe or LH2 region Requires transverse displacement of downstream spectrometer Matching sections MC Design Workshop JLab

  31. m Muons, Inc. HCC Magnets using HTS Beam cooling to reduce the size of a muon beam depends on the magnetic field strength. The Phase II proposal to develop this hybrid scheme has been approved. Here a hybrid magnet of Nb3Sn (green) and HTS (red) could provide up to 30 T in an HCC design. MC Design Workshop JLab Fig. 7: Top: there are many ferrite cores at Fermilab from older implementations of RF systems which needed to be identified and tested. Bottom: photographs of the ferrite rings in the model RF cavity during assembly. In the photo at lower-right one can see the end of the sleeve that acts as an iris, as well as the copper solenoid bias windings.

  32. MANX as a Pre-cooler D. Neuffer, C. Yoshikawa • Use LiH plate in this design • Good transmission (> 90%) 10kPOT z = 3 m z = 0 m z = 6 m p (MeV/c) MC Design Workshop JLab

  33. m Muons, Inc. Can we add better 6d capability by using ps detectors? Pico-Second Timing Workshop Argonne National LaboratoryUniversity of ChicagoCommissariat a l'Energie AtomiqueMarch 27 & 28, 2008 http://www.hep.anl.gov/ertley/tof/talks_mar_28/12_Roberts.ppt MC Design Workshop JLab

  34. m Muons, Inc. Momentum Resolutionfrom Time of Flight • Momentum is determined from time of flight. • Here the µ+ momentum is 200 MeV/c. • Here the counter spacing is 1 m (red) or 5 m (blue). • Segmentation of the counters assumed to be 2 cm or better • Limits uncertainty in path length 1 meter Desired(next slide) 5 meters (single counter) MC Design Workshop JLab

  35. m Muons, Inc. Longitudinal Phase Space • The input beam for MANX has parameters: • Momentum: 300 MeV/c • Sigma (dp/p): 4% (12 MeV/c) • Sigma (time): 0.2 ns (20° at 201 MHz) • Cooling will decrease both sigmas by ~10%. • Resolutions 2 times better than the decreases are: • 0.5 MeV/c in Ptot • 10 ps in time. • These resolutions are factors of ~40X and ~6X better than the current spectrometers can do (which are not designed to measure longitudinally at all). • Picosecond counters are a good match to the needs of MANX for longitudinal measurements. MC Design Workshop JLab

  36. m Muons, Inc. Summary: MANX • Will Test: • Theory of Helical Cooling Channel (HCC) • p-dependent HCC with continuous absorber • modify currents to change cooling decrements, • Helical Solenoid Magnet (HS) • Simulation programs (G4BL, ICOOL) • Minimizes costs and time • no RF, uses normalized emittance, ~5 m LHe E absorber • RF is developed in parallel with new concepts • builds on MICE, adds 6-d capability, ~ps detectors • Synergies in funding for uses w/o RF: • HS for stopping muons, especially mu2e upgrade • Isochronous pion decay channel • Precooler MC Design Workshop JLab

  37. In Feb. 2009 we plan to present to the FNAL AAC An Updated Letter of Intent to Propose MANX, A 6D MUON BEAM COOLING EXPERIMENT TO FOLLOW MICE Robert Abrams1, Mohammad Alsharo’a1, Charles Ankenbrandt2, Emanuela Barzi2, Kevin Beard3, Alex Bogacz3, Daniel Broemmelsiek2, Alan Bross2, Yu-Chiu Chao3, Mary Anne Cummings1, Yaroslav Derbenev3, Henry Frisch4, Ivan Gonin2, Gail Hanson5, Martin Hu2, Andreas Jansson2, Rolland Johnson1 Stephen Kahn1, Daniel Kaplan6, Vladimir Kashikhin2, Sergey Korenev1, Moyses Kuchnir1, Mike Lamm2, Valeri Lebedev2, David Neuffer2, David Newsham1, Milorad Popovic2, Robert Rimmer3, Thomas Roberts1, Richard Sah1, Linda Spentzouris6, Alvin Tollestrup2, Daniele Turrioni2, Victor Yarba2, Katsuya Yonehara2, Cary Yoshikawa2, Alexander Zlobin2 1Muons, Inc. 2Fermi National Accelerator Laboratory 3Thomas Jefferson National Accelerator Facility 4University of Chicago 5University of California at Riverside 6Illinois Institute of Technology We need the MICE Collaboration support to do this !!!! (Fermilab would be asked to build the magnet to be used at RAL) MC Design Workshop JLab

  38. Bob Palmer Objections to MANX I agree with Rol – we need a 6D cooling demonstration, but not in the way he wants. 6D cooling can be done by path length differences in a helix, or with dispersion in wedges. The former requires difficult high kappa helices, has consequent problems incorporating rf, and does work at low emittances where you need focusing to a low beta (e.g. PIC or REMEX). The wedge method avoids these problems and is far easier to demonstrate. A wedge in MICE with off-line dispersion selection is a perfectly good demonstration of 6D cooling and does not cost anything (almost). That will satisfy the PR need for “demonstration of 6D cooling”. What is really needed, is a demonstration of a useful system. For that, we need to know what the “useful system” is, and devise an experiment that shows that it is indeed practical. For a high pressure gas cooling system we need to know 1) what a beam does to the gas, 2) how rf is to be incorporated, 3) how to satisfy a safety committee that the system WITH thin windows, is ok, and 4) how its simulated performance and cost compares with systems using wedges. We are a long way from knowing the answers to these questions, so it is premature to propose a practicality demonstration at this time. And, incidentally, a demonstration that uses no hydrogen and no rf is not a practicality demonstration. It would do no more than seeing 6D cooling in a wedge at MICE. Do not get me wrong. I am not against helices, nor against high pressure hydrogen gas. I am currently excited about a low kappa helix, with the minimum hydrogen pressure for breakdown, and LIH wedges. With a low kappa, (e.g. transverse field 1/20 of the axial) putting rf in the coils is trivial. Raising the field to 20 T (plus 1 T transverse) is also relatively easy. Using lower pressure (25 atm at 60 degrees) also makes safety with thin windows easier. Let’s work together on cooking better solutions and doing the R&D needed to get them to work. MC Design Workshop JLab

  39. m Muons, Inc. If MANX isn’t a prototype for NF or MC cooling, could it be? MANX 4 m long HCC with LH2 absorber Insert 20 m of 7.5 MV/m 200 MHz RF (vacuum) Matching sections ~8 spare 800 MHz klystrons could be used for demo of a central section For example, if HPRF can’t be made to work, then you could match 6d MANX output to ~150 MeV vacuum RF section, (a la Fernow) accelerate 150 MeV, which would improve 6d emittance by factor of ~5. Inject into another MANX section, and iterate 9 times to reduce 6d emittance by a factor of a million in 10X30 = 300 m. MC Design Workshop JLab

  40. m Muons, Inc. LEMC Scenario and this Workshop A new picture based on Dogbone RLAs Spreadsheet will be developed for parameter comparisons and optimizations MC Design Workshop JLab

  41. m Muons, Inc. LEMC Scenario Bogacz Dogbones Scheme MC Design Workshop JLab

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