1. Muon Collaboration Meeting Steve Geer MUTAC Review, 14-15 Jan, 2003 Muon Collaboration WELCOME

2. Focus of Meeting Muon Collaboration In the last few days we have heard a lot about our technical progress over the last year. The MC business we have not discussed in NUFACT is the optimization of our FY04 R&D plans given our best knowledge of the FY04 funding. The focus of the MC Collaboration meeting is to review and discuss our FY04 R&D plans.

3. AGENDA Muon Collaboration

4. Collaboration Assets Muon Collaboration Funding is tight, but we have some important assets: 1.The Collaboration membership remains healthy … 130 members. 2.We continue to have lots of ideas … 5 workshops in the last year, not including MUCOOL & MICE meetings. Progress on cost reduction. 3.We have had an excellent MUTAC report, with a continued endorsement of our work from MCOG. Furthermore, since the January review we continue to make progress with new results that will provide ammunition for the next review. 4.We continue to have support from the neutrino community. Neutrino Factories made it on the list of future HEP facilities considered by the recent HEP Facilities Committee (scientific importance rated as “too early to tell” seems appropriate). Superbeams with neutrino factory class proton drivers & MW-scale target halls may be on the horizon. 5.The MUCOOL Test Area construction is going well, and MICE seems to be well on the way to Scientific Approval. NSF will decide on funding early next year (we are told). 6.ICAR has been funded for another year, and Rol Johnson has good news about funding for new Muons Inc initiatives.

5. Muon Collaboration Membership 130 Enthusiastic Members from 37 Institutions

6. Muon Collaboration Membership - 2

7. Muon Collaboration Membership - 3

8. Muon Collaboration Membership - 4

9. MEETINGS: July 2002 – January 2003 Muon Collaboration

10. MEETINGS: February 2003 – October 2003 Muon Collaboration

11. Steve Geer MC Collaboration Meeting June 200311 MUTAC Review – January 2003 The successful record of progress is epitomized by the summary judgment in the report, namely that “Overall, MUTAC was impressed by the accomplishments since the last meeting, particularly given the strained financial situation. MUTAC can enthusiastically assure MCOG that the limited funding is being well and carefully utilized.” The review this year was in January, and resulted once again in a very positive report. In their transmittal letter to the laboratory directors, MCOG say: MCOG has concluded that it is imperative that DOE seek to provide enhanced R&D funding for this work if it is to meet either the intent or the recommendations of the Long Range Plan laid out in the 2002 Gilman Report of HEPAP.

12. Muon Collaboration Steve Geer MC Collaboration Meeting June 200312 MCOG Recommendations to the DOE (Spring 2003) 1.In the area of experimental work, the highest priority should continue to be accorded to the 800 MHz and 200 MHz RF work, especially the testing of the 800 MHz cavity in a magnetic field. This work is critical to the advancement and eventual success of the MUCOOL and MICE projects. High power target R&D is important to a number of future high energy accelerator projects under consid- eration in the U.S. program and this work should be continued as resources allow. 2.MCOG supports participation by the U.S. in the Muon Ionization Cooling Exp- eriment (MICE) and urges DOE to support this valuable international activity. 3.The creative conceptual advances made by the Muon Collaboration are strength- ening the notion that a muon-storage-ring-based neutrino factory is feasible and will offer opportunities for a future facility. As such, we recommend continued support for conceptual development activities in parallel with the strengthened experimental and engineering R&D activities described above.

13. Muon Collaboration Steve Geer MC Collaboration Meeting June 200313 Visits to the DOE, NSF, & HEPAP Since last summer we have: November: Presented MC case to HEPAP February: Presented our plans to the Future HEP Facilities Committee March: Visited Germantown to make the case to the DOE Now: Trying to get a second visit to DOE scheduled to brief the new management Also there was a delegation (included Maury, Dan, and Alvin) that visited NSF to make the general case for accelerator R&D.

14. Muon Collaboration Steve Geer MC Collaboration Meeting June 200314 Support from the neutrino community 6 January, 2003 To: John O'Fallon From: J. Conrad W. Louis D. Michael M. Shaevitz S. Wojcicki Dear John, We would like to encourage you to increase support for Neutrino Factory R&D in FY04. Neutrino oscillation physics has entered a very exciting period. In the not-too-distant future we expect that results from MiniBooNE and MINOS will add to the excitement. No matter what the results are from these experiments it is already clear that more ambitious long-baseline experiments will be needed in the future. It also seems increasingly likely that we will ultimately need the full power of a Neutrino Factory to unambiguously determine all of the parameters that describe neutrino oscillations. This will be particularly true if the LMA solution to the solar neutrino problem is confirmed (which initial KamLAND results suggest is the case), or if MiniBooNE and/or MINOS make discoveries that indicate there is more going on than just three-flavor mixing. The HEPAP subpanel recommended a funding level for Neutrino Factory R&D at the FY01 level of 8M$ per year. We understand that since that recommendation support for the all important R&D has been significantly reduced. We believe it is important to maintain an investment in the long-term future. Since the HEPAP subpanel presentations the R&D seems to have made good progress, and the physics case for an eventual Neutrino Factory has, if anything, grown stronger. We would therefore like to encourage a restoration of the support for Neutrino Factory R&D to the level that the subpanel recommended. cc: Steve Geer Bob Palmer

15. Muon Collaboration Steve Geer MC Collaboration Meeting June 200315 The Bottom Line FY04 funding appears to be flat (wrt FY03). We were hoping for better and we will need an increase in the future if we are to meet our goals. Bob, Mike, and I will continue to do everything we can think of to bring about increased funding. The news is not all bad. We have reason to expect FY04 to be a productive year, and to hope that MICE will get funded. We also have reason to believe that there is a good chance for an International Study 3 in a couple of years which could yield a cheaper Neutrino Factory design and a stronger international Neutrino Factory community. Perhaps in a couple of years MW-scale proton drivers with MW-scale targets will also be under constructions !