2014/05/11 by Zi-Feng Song, Zifeng Song, Jiabin Chen +11
Engineering · Physics and Astronomy · #FOS: Physical sciences #Instrumentation and Detectors (physics.ins-det) #Nuclear Physics and Applications #Nuclear reactor physics and engineering #Radiation Detection and Scintillator Technologies #physics.ins-det
paper · pdf · doi:10.48550/arxiv.1405.2520
5 pages, 6 figures and 1 table
arxiv created 2014/05/11 · openalex publication_date 2014/05/11 · arxiv updated 2014/05/13 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
The indium activation diagnostic was calibrated on an accelerator neutron source in order to diagnose deuterium-deuterium (DD) neutron yields of implosion experiments on Shenguang-III facility. The scattered neutron background of the accelerator room was measured by placing a polypropylene shield in front of indium sample, in order to correct the calibrated factor of this activation diagnostic. The proper size of this shield was given by Monte Carlo simulation software. The affect from some other activated nuclei on the calibration was verified by judging whether the measured curve obeys exponential decay and contrasting the half life of the activated sample. The calibration results showed that the linear range reached up to 100 cps net count rate in the full energy peak of interest, the scattered neutron background of accelerator room was about 9% of the total neutrons and the possible interferences mixed scarcely in the sample. Subtracting the portion induced by neutron background, the calibrated factor of our sample was 4.52*10-7 counts/n with uncertainty of 4.3%.