• G. Velev, J. DiMarco, C.C. Drennan, D.J. Harding, V.S. Kashikhin, O. Kiemschies, S. Kotelnikov, J.R. Lackey, A.V. Makarov, A. Makulski, R. Nehring, D.F. Orris, W. Pellico, E. Prebys, P. Schlabach, D.G.C. Walbridge
  Fermilab, Batavia

Funding: Work supported by the U.S. Department of Energy

The fabrication of the multi-element corrector magnets for the Fermilab Booster synchrotron has just been completed. These water-cooled packages include six different corrector types - normal and skews oriented dipole, quadrupole and sextupole elements. They will provide full orbit control, tune and chromaticity of the beam over the whole range of Booster energies, from 0.4 GeV to 8 GeV. During production, a set of quality assurance measurements were performed, including special thermal tests. This paper summarizes the results from these measurements as well as discussing some specific steps of the magnet fabrication process.

• C. Y. Yoshikawa, R.J. Abrams, C.M. Ankenbrandt, M.A.C. Cummings, R.P. Johnson
  Muons, Inc, Batavia
• M.A. Martens, D.V. Neuffer, M. Popovic, E. Prebys, K. Yonehara
  Fermilab, Batavia

The study of rare processes using a beam of muons that stop in a target provides access to new physics at and beyond the reach of energy frontier colliders. The flux of stopping muons is limited by the pion production process and by stochastic processes in the material used to slow down the decay muons. Innovative muon beam collection and cooling techniques are applied to the design of stopping muon beams in order to provide better beams for such experiments. Such intense stopping beams will also support the development of applications such as muon spin resonance and muon-catalyzed fusion.

• M.J. Syphers, M. Popovic, E. Prebys
  Fermilab, Batavia
• C.M. Ankenbrandt
  Muons, Inc, Batavia

Funding: Operated by Fermi Research Alliance, LLC under Contract No. DE-AC02-07CH11359 with the United States Department of Energy.

The use of existing Fermilab facilities to provide beams for two muon experiments –- the Muon to Electron Conversion Experiment (Mu2e) and the Muon g-2 Experiment –- is under consideration. Plans are being pursued to be able to perform these experiments following the completion of the Tevatron Collider Run II with no impact to the on-going Main Injector neutrino program by using spare Booster cycles to provide 8.9 GeV/c protons on target. Utilizing the beam lines and storage rings used today for antiproton accumulation, beams can be prepared for these experiments with minimal disruption, reconfiguration or expansion of the Fermilab accelerator infrastructure. The proposed operational scenarios and required alterations to the complex are described.

• E. Prebys, A.I. Drozhdin, C. Johnstone, N.V. Mokhov
  Fermilab, Batavia
• C.M. Ankenbrandt
  Muons, Inc, Batavia

Funding: Supported under DOE contract DE-AC02-07CH11359.

The Mu2e experiment has been proposed at Fermilab to measure the rate for muons to convert to electrons in the field of an atomic nucleus with unprecedented precision. This experiment uses an 8 GeV primary proton beam consisting of short (~100 nsec) bunches, separated by 1.7 μs. It is vital that out-of-bunch beam be suppressed at the level of 10^-9 or less. Part of the solution to this problem involves a pair of matched dipoles operating resonantly at half the bunch rate. There will be a collimation channel between them such that beam will only be transmitted when the fields are null. The magnets will be separated by 180 degrees of phase advance such that their effects cancel for all transmitted beam. Magnet optimization considerations will be discussed, as will optical design of the beam line. Simulations of the cleaning efficiency will also be presented.