supported by the National Natural Science Foundation of China(Nos.11375195 and 11375263);National Magnetic Confinement Fusion Science Program of China(No.2013GB104003)
A Bonner sphere spectrometer(BSS) was developed for neutron diagnostic on HL_2A Tokamak.It contains eight polyethylene spheres embedded with SP9~3 He proportional counter.Before setting up on the Tokamak experimental ...