Characteristics of large volume NE213 neutron counters for muon catalyzed fusion investigations

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Abstract

The Monte Carlo method was used to establish the properties and feasibility of a large volume NE213 scintillator as an efficient neutron detector. The recoil proton spectra, calculated efficiencies for different detection thresholds and scintillator sizes are presented for neutron energies up to 15 MeV. The time characteristics, e.g. time resolution, are discussed. It is also shown that no strong influence of light attenuation by the scintillator itself on the calculated efficiencies is observed when the gamma-calibration technique is used. A detector volume of ∼ 100 l is suggested for application in investigations of μ-atom and μ-molecular processes.

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On leave of absence from the Institute of Nuclear Physics and Technology, Cracow, Poland.

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