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We have developed the 2.0T permanent magnetic circuit for NMR/MRI (figure1). In the previous study, the maximum field strength of permanent magnets for MRI was 1.0T [1, 3]. With using NdFeB magnetic materials and a special magnetic circuit design, it has been achieved that the magnetic field strength of 2.03 Tesla, H center frequency of 86.3MHz, air gap of(More)
The PIENU experiment is going to be carried out at TRIUMF to measure the ratio of pion decay rates, R = Gamma(pi<sup>+</sup> rarr e<sup>+</sup> nu<sub>e</sub>)/Gamma(pi<sup>+</sup> rarr mu<sup>+</sup> nu<sub>mu</sub>), to an accuracy of 0.1%. In order to achieve this goal, a muon identification with waveform analysis in a target scintillator is necessary.(More)
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