A Business Inspired by Muon Colliders (Can it contribute to electron-ion colliders?)

1. m Muons, Inc. A Business Inspired by Muon Colliders (Can it contribute to electron-ion colliders?) Rolland P. Johnson Muons, Inc. (http://www.muonsinc.com/) Muons, Inc. has been involved in inventions and their development that have improved the prospects for neutrino factories, stopping muon beams, and high luminosity muon colliders for Higgs factories and at the energy frontier.Support has come from the DOE SBIR-STTR program and from contracts from national laboratories. With over $5M new grants and contracts in 2010, the staff (now 22), the number of research partners at labs and universities, and fields of interest are growing. Please visit "Papers and Reports" and "LEMC Workshop" at http://www.muonsinc.com/ MEIC Workshop

2. 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 (Kaplan) • 2003-7 Helical Cooling Channel $850,000 JLab (Derbenev) • 2004-5† MANX demo experiment $ 95,000 FNAL (Yarba) • 2004-7 Phase Ionization Cooling $745,000 JLab (Derbenev) • 2004-7 HTS Magnets $795,000 FNAL (Yarba) • 2005-8 Reverse Emittance Exch. $850,000 JLab (Derbenev) • 2005-8 Capture, ph. rotation $850,000 FNAL (Neuffer) • 2006-9 G4BL Sim. Program $850,000 IIT (Kaplan) • 2006-9 MANX 6D Cooling Demo $850,000 FNAL (Lamm) • 2007-10 Stopping Muon Beams $750,000 FNAL (Ankenbrandt) • 2007-10 HCC Magnets $750,000 FNAL (Zlobin) • 2007-8 Compact, Tunable RF $100,000 FNAL (Popovic) • 2008-9 RF Breakdown Studies $100,000 LBNL (Li) ANL (Gai) • 2008-9 Rugged RF Windows $100,000 Jlab (Rimmer) • 2008-9 H2-filled RF Cavities $100,000 FNAL (Yonehara) (these are finished, while the next page has ongoing projects) MEIC Workshop

3. m Muons, Inc. Project History (cont.) Year Project Expected Funds Research Partner • 2008-11 Pulsed Quad RLAs $850,000 JLab (Bogacz) • 2008-11 Fiber Optics for HTS $800,000 NCSU (Schwartz) • 2009-12 HOM Absorbers $850,000 Cornell(Hoffstaetter) • 2009-12 Quasi Isochronous HCC $850,000 FNAL (Neuffer) • 2009-10 DC Gun Insulator $100,000 JLab (Poelker) • 2009-12 H-minus Sources $850,000 ORNL/SNS (Stockli) • 2009-12 Hi Power Coax Coupler $850,000 JLab (Rimmer) • 2009-10 Hi Field YBCO Magnets $100,000 NCSU (Schwartz) • 2009-12 f & f –locked Magnetrons $850,000 FNAL (Popovic) • 2009-10 Mono-E Photons $172,588 2 contracts w PNNL • 2009-10 Project-X and MC/NF $260,000 contract w FNAL • 2009-10 MCP and ps timers $108,338 contract w ANL • 2010 MAP $ 55,739 2 contracts w FNAL • 2010 805 MHz RF Cavity $230,000 contract w LANL • 2010-11 ps detectors for MCDE $100,000 U Chicago (Frisch) • 2010-11 Crab Cavities $100,000 JLab (Rimmer) • 2010-11 Epicyclic PIC $100,000 JLab (Derbenev) • 2010-11 MC detector bkgnds $100,000 NIU (Hedin) MEIC Workshop

4. m Muons, Inc. PressurizedHigh Gradient RF Cavities(IIT, Dan Kaplan) • Copper plated, stainless-steel, 800 MHz test cell with GH2 to 1600 psi and 77 K in Lab G, MTA • Paschen curve verified • Maximum gradient limited by breakdown of metal • fast conditioning seen, no limitation by external magnetic field! • Cu and Be have same breakdown limits (~50 MV/m), Mo ~28% better Cornell - Bright Muon Beams

5. Muons, Inc. m MuCool Test Area (MTA) 5T Solenoid Wave guide to coax adapter Pressure barrier Mark II Test Cell Cornell - Bright Muon Beams

6. Muons, Inc. m Electrode breakdown region Paschen region HPRF Test Cell Measurements in MTA 100 atm Electrode breakdown region • Paschen curve verified • Maximum gradient limited by breakdown of metal. • Cu and Be have same breakdown limits (~50 MV/m), Mo(~63MV/m), W(~75MV/m). • Results show no B dependence, much different metallic breakdown than for vacuum cavities. • Need beam tests to prove HPRF works. Cornell - Bright Muon Beams

7. m Muons, Inc. Particle Motion in a Helical 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 Cornell - Bright Muon Beams

8. m Muons, Inc. Some Important Relationships Hamiltonian Solution Equal cooling decrements Longitudinal cooling only ~Momentum slip factor ~ Cornell - Bright Muon Beams

9. Katsuya Yonehara achievement! Cornell - Bright Muon Beams

10. Cornell - Bright Muon Beams

11. Cornell - Bright Muon Beams

12. This is a 24 cavity per period 400 MHz design Magnet Coil Pill box Cavity Coax Feed per cavity Approximate Diameter at the coax flange is 40” Cornell - Bright Muon Beams

13. m Muons, Inc. YBCO HSM1.1 Fabrication and Test Results Miao Yu, Dan Turrioni, Vito Lombardo 01/05/2011 MEIC Workshop

14. m Muons, Inc. Goal of the study Conceptual design Develop the fabrication technology of double pancake unit model Test the model at 4.2 K MEIC Workshop

15. m Muons, Inc. HSM1 Remind • The model degraded at 290 A, ~20% SSL • The degradation location: inner splices MEIC Workshop

16. m Muons, Inc. HSM1.1 Improvement Copper Presser Soldering Kit MEIC Workshop

17. m Muons, Inc. SSL at 77 K and 4.2 K Ic is limited by the perpendicular field on the tape MEIC Workshop

18. m Muons, Inc. HSM1 and HSM1.1 Comparison MEIC Workshop

19. m Muons, Inc. Conclusion HSM1.1 were tested successfully at 77 K and 4.2 K. It reached at least 86% SSL at 77 K and 75% SSL at 4.2 K. The fabrication of the helical solenoid double pancake model was developed. MEIC Workshop

20. m Muons, Inc. Next Step • Dump resistor needs to be designed and fabricated. • Fabricate another two double pancake models and test them. • Splice performance study (pressure, temperature, etc.) • Assembly the two units, design the structure for the field sensor probe and test the assembled model. MEIC Workshop

21. m Muons, Inc. Projects Relevant to MEIC • High-field superconducting solenoids for shorter spin rotators • YBCO HS solenoid development (Zlobin-FNAL) • Fiber optic sensors for monitoring and quench protection (Schwartz-NCSU) • SRF implementation • High-power co-axial couplers (Rimmer-JLab) • Phase and frequency-locked magnetron power sources (Popovic-FNAL) • HOM absorbers (Hoffstaetter-Cornell) • Crab cavities (Rimmer-JLab) • ACE3P (Advanced Computational Electromagnetics 3P) Code (Ko-SLAC) • Source development (Dudnikov talk) • H-minus with saddle RF antenna (Stockli-SNS/ORNL) • Improved electron sources using surface acoustic waves (Poelker-JLab) • Experiment Support • Fast, inexpensive, large area timing counters (~1ps, 1mm) (Frisch-UC) • Programs–G4beamline (Kaplan-IIT, Godunov-ODU) • background studies (Hedin-NIU) • Extensions, other attractions • Project-X (Nagaitsev-FNAL), ADSR (Bowman-ADNA), HS Apps (Fast-PNNL), … MEIC Workshop