Pion contamination in the MICE muon beam

The international Muon Ionization Cooling Experiment (MICE) will perform a systematic investigation of ionization cooling with muon beams of momentum between 140 and 240 MeV/c at the Rutherford Appleton Laboratory ISIS facility. The measurement of ionization cooling in MICE relies on the selection o...

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Bibliographic Details
Published in:Journal of instrumentation 2016-03, Vol.11 (3), p.P03001-P03001
Main Authors: Adams, D., Alekou, A., Apollonio, M., Asfandiyarov, R., Barber, G., de Bari, A., Bayes, R., Bayliss, V., Bertoni, R., Blondel, A., Bonesini, M., Booth, C.N., Brashaw, T.W., Bravar, U., Bross, A.D., Cecchet, G., Chignoli, F., Cline, D., Cobb, J.H., Colling, G., Coney, L., Courthold, M., Cremaldi, L.M., DeMello, A., Dick, A., Dobbs, A., Dornan, P., Drews, M., Drielsma, F., Filthaut, F., Franchini, P., Fry, L., Gallagher, A., Gamet, R., Gardener, R., Grant, A., Greis, J.R., Hansen, O.M., Hanson, G.G., Hartnett, T., Heidt, C., Hills, M., Ishimoto, S., Karadzhov, Y., Kim, Y.K., Kuno, Y., Kyberd, P., Lagrange, J.-B., Lau, W., Li, D., Lintern, A., Littlefield, M., Luo, T., Macwaters, C., Mazza, R., Moretti, A., Moss, A., Mullacrane, I., Nebrensky, J.J., Neuffer, D., Nichols, A., Nugent, J.C., Onel, Y., Orestano, D., Overton, E., Owens, P., Palladino, V., Pasternak, J., Pastore, F., Preece, R., Prestemon, S., Rajaram, D., Ramberger, S., Rayner, M.A., Ricciardi, S., Rogers, C., Ronald, K., Rucinski, P., Sakamato, H., Santos, E., Savidge, T., Snopok, P., Soler, F.J.P., Speirs, D., Stanley, T., Tarrant, J., Taylor, I., Tortora, L., Torun, Y., Tsenov, R., Tunnell, C.D., Vankova-Kirilova, G., Virostek, S., Warburton, P., Watson, S., White, C., Whyte, C.G., Wilson, A., Yang, X., Zisman, M.
Format: Article
Language:English
Subjects:
beam-intensity monitors
beam-line instrumentation (beam position and profile monitors
bunch length monitors
Contamination
Cooling
Cooling systems
instrumentation for particle accelerators and storage rings
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
Ionization
low energy (linear accelerators, cyclotrons, electrostatic accelerators)
Mice
Muons
PARTICLE ACCELERATORS
Particle beams
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Pions
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Summary:The international Muon Ionization Cooling Experiment (MICE) will perform a systematic investigation of ionization cooling with muon beams of momentum between 140 and 240 MeV/c at the Rutherford Appleton Laboratory ISIS facility. The measurement of ionization cooling in MICE relies on the selection of a pure sample of muons that traverse the experiment. To make this selection, the MICE Muon Beam is designed to deliver a beam of muons with less than ~1% contamination. To make the final muon selection, MICE employs a particle-identification (PID) system upstream and downstream of the cooling cell. The PID system includes time-of-flight hodoscopes, threshold-Cherenkov counters and calorimetry. The upper limit for the pion contamination measured in this paper is f sub([pi])< 1.4% at 90% C.L., including systematic uncertainties. Therefore, the MICE Muon Beam is able to meet the stringent pion-contamination requirements of the study of ionization cooling.
ISSN:1748-0221
1748-0221
DOI:10.1088/1748-0221/11/03/P03001