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Adam, J.; Bai, X.; Baldini, A. M.; Baracchini, E.; Bemporad, C.; Boca, G.; Cattaneo, P. W.; Cavoto, G.; Cei, F.; Cerri, C.; Corbo, M.; Curalli, N.; De Bari, A.; De Gerone, M.; Del Frate, L.; Doke, S.; Dussoni, S.; Egger, J.; Fratini, K.; Fujii, Y.; Galli, L.; Galeotti, S.; Gallucci, G.; Gatti, F.; Golden, B.; Grassi, M.; Graziosi, A.; Grigoriev, D. N.; Haruyama, T.; Hildebrandt, M.; Hisamatsu, Y.; Ignatov, F.; Iwamoto, T.; Kaneko, D.; Kasami, K.; Kettle, P.-R.; Khazin, B. I.; Kiselev, O.; Korenchenko, A.; Kravchuk, N.; Lim, G.; Maki, A.; Mihara, S.; Molzon, W.; Mori, T.; Morsani, F.; Mzavia, D.; Nardò, R.; Natori, H.; Nicolò, D.; Nishiguchi, H.; Nishimura, Y.; Ootani, W.; Ozone, K.; Panareo, M.; Papa, A.; Pazzi, R.; Piredda, G.; Popov, A.; Raffaelli, F.; Renga, F.; Ripiccini, E.; Ritt, S.; Rossella, M.; Sawada, R.; Schneebeli, M.; Sergiampietri, F.; Signorelli, G.; Suzuki, S.; Tenchini, F.; Topchyan, C.; Uchiyama, Y.; Valle, R.; Voena, C.; Xiao, F.; Yamada, S.; Yamamoto, S.; Yamashita, S.; Yudin, Yu. V.; Zanello, D.
The European physical journal. C, Particles and fields, 04/2013, Letnik: 73, Številka: 4Journal Article
The MEG (Mu to Electron Gamma) experiment has been running at the Paul Scherrer Institut (PSI), Switzerland since 2008 to search for the decay μ + →e + γ by using one of the most intense continuous μ + beams in the world. This paper presents the MEG components: the positron spectrometer, including a thin target, a superconducting magnet, a set of drift chambers for measuring the muon decay vertex and the positron momentum, a timing counter for measuring the positron time, and a liquid xenon detector for measuring the photon energy, position and time. The trigger system, the read-out electronics and the data acquisition system are also presented in detail. The paper is completed with a description of the equipment and techniques developed for the calibration in time and energy and the simulation of the whole apparatus.
