Abstract
The magnetic proton recoil (MPR) spectrometer is a novel diagnostic instrument with high performance for measurements of neutron spectra in inertial confinement fusion (ICF) experiments and high power fusion devices. A compact MPR-type spectrometer dedicated to the research of pulsed deuterium-tritium (DT) neutron spectroscopy of special experimental conditions is currently under design. Analyses of the main parameters and performance of the magnetic analysis system through 3-D particle transport calculations and MonteCarlo simulations and calibration of the system performance as a test using CR-39 solid track detector and α particle from 239Pu and 226Ra radioactive sources are presented in this paper. The results indicate that the magnetic analysis system will achieve a detection efficiency level of 10â5 â10â4 at an energy resolution of 1.5%â2.1%, and fulfills the design goals of the spectrometer.
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