The first of six steps of the MICE program: beam line and first measurement of beam emittance.

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Aithousa Mitropoulos ()

Aithousa Mitropoulos

Megaron, Athens - Greece


Prof. Vittorio Palladino (Univ. & INFN Napoli, Italy)


The primary aim of the MICE beam line is to provide ~500 muons in a one millisecond long pulse at a rate of about 1Hz for measurements of cooling on a muon-by-muon basis. The beam is obtained by dipping a target in the 800MeV/c ISIS rapid cycling synchrotron at Rutherford Appleton Laboratory (UK). It has been commissioned in 2008-2009 and now routinely produces beams of protons, pions, muons and electrons in the energy range of 100-450 MeV/c which will be also available for neutrino detector developments. Particle identification is provided with two Cherenkov detectors, three time-of-flight hodoscopes with time resolution of <60 ps and and a lead-fiber electron pre-shower. Particle production rates have been measured. First low intensity muon beams, of the purity requested for the study of ionization cooling, have been generated. A first rough measurement of its emittance was also performed, anticipating the precise measurement with the magnetic trackers in the subsequent steps.

Primary author

Prof. Vittorio Palladino (Univ. & INFN Napoli, Italy)


MICE The (Collaboration)

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