Characterisation of the muon beams for the Muon Ionisation Cooling Experiment

Adams, D. and Adey, D. and Alekou, A. and Apollonio, M. and Asfandiyarov, R. and Back, J. and Barber, G. and Barclay, P. and de Bari, A. and Bayes, R. and Bayliss, V. and Bertoni, R. and Blackmore, V. J. and Blondel, A. and Blot, S. and Bogomilov, M. and Bonesini, M. and Booth, C. N. and Bowring, D. and Boyd, S. and Bradshaw, T. W. and Bravar, U. and Bross, A. D. and Capponi, M. and Carlisle, T. and Cecchet, G. and Charnley, G. and Cobb, J. H. and Colling, D. and Collomb, N. and Coney, L. and Cooke, P. and Courthold, M. and Cremaldi, L. M. and DeMello, A. and Dick, A. J. and Dobbs, A. and Dornan, P. and Fayer, S. and Filthaut, F. and Fish, A. and Fitzpatrick, T. and Fletcher, R. and Forrest, D. and Francis, V. and Freemire, B. and Fry, L. and Gallagher, A. and Gamet, R. and Gourlay, S. and Grant, A. and Graulich, J. S. and Griffiths, S. and Hanlet, P. and Hansen, O. M. and Hanson, G. G. and Harrison, P. and Hart, T. L. and Hartnett, T. and Hayler, T. and Heidt, C. and Hills, M. and Hodgson, P. and Hunt, C. and Iaciofano, A. and Ishimoto, S. and Kafka, G. and Kaplan, D. M. and Karadzhov, Y. and Kim, Y. K. and Kolev, D. and Kuno, Y. and Kyberd, P. and Lau, W. and Leaver, J. and Leonova, M. and Li, D. and Lintern, A. and Littlefield, M. and Long, K. and Lucchini, G. and Luo, T. and Macwaters, C. and Martlew, B. and Martyniak, J. and Middleton, S. and Moretti, A. and Moss, A. and Muir, A. and Mullacrane, I. and Nebrensky, J. J. and Neuffer, D. and Nichols, A. and Nicholson, R. and Nugent, J. C. and Onel, Y. and Orestano, D. and Overton, E. and Owens, P. and Palladino, V. and Palmer, R. B. and Pasternak, J. and Pastore, F. and Pidcott, C. and Popovic, M. and Preece, R. and Prestemon, S. and Rajaram, D. and Ramberger, S. and Rayner, M. A. and Ricciardi, S. and Richards, A. and Roberts, T. J. and Robinson, M. and Rogers, C. and Ronald, K. and Rubinov, P. and Rucinski, R. and Rusinov, I. and Sakamoto, H. and Sanders, D. A. and Santos, E. and Savidge, T. and Smith, P. J. and Snopok, P. and Soler, F. J. P. and Stanley, T. and Summers, D. J. and Takahashi, M. and Tarrant, J. and Taylor, I. and Tortora, L. and Torun, Y. and Tsenov, R. and Tunnell, C. D. and Vankova, G. and Verguilov, V. and Virostek, S. P. and Vretenar, M. and Walaron, K. and Watson, S. and White, C. and Whyte, C. G. and Wilson, A. and Wisting, H. and Zisman, M. S. (2013) Characterisation of the muon beams for the Muon Ionisation Cooling Experiment. European Physical Journal C, 73 (10). 2582. ISSN 1434-6044 (https://doi.org/10.1140/epjc/s10052-013-2582-8)

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Abstract

A novel single-particle technique to measure emittance has been developed and used to characterise seventeen different muon beams for the Muon Ionisation Cooling Experiment (MICE). The muon beams, whose mean momenta vary from 171 to 281 MeV/c, have emittances of approximately 1.2-2.3 π mm-rad horizontally and 0.6-1.0 π mm-rad vertically, a horizontal dispersion of 90-190 mm and momentum spreads of about 25 MeV/c. There is reasonable agreement between the measured parameters of the beams and the results of simulations. The beams are found to meet the requirements of MICE.

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