Monte Carlo simulation of a Bonner sphere spectrometer for application to the determination of neutron field in the Experimental Advanced Superconducting Tokamak experimental hall
- Hu, Z. M.
- Xie, X. F.
- Chen, Z. J.
- Peng, X. Y.
- Du, T. F.
- Cui, Z. Q.
- Ge, L. J.
- Li, T.
- Yuan, X.
- Zhang, X.
- Hu, L. Q.
- Zhong, G. Q.
- Lin, S. Y.
- Wan, B. N.
- Gorini, G.
- Li, X. Q.
- Zhang, G. H.
- Chen, J. X.
- Fan, T. S.
DOIAbstract
To assess the neutron energy spectra and the neutron dose for different positions around the Experimental Advanced Superconducting Tokamak (EAST) device, a Bonner Sphere Spectrometer (BSS) was developed at Peking University, with totally nine polyethylene spheres and a SP9 He-3 counter. The response functions of the BSS were calculated by the Monte Carlo codes MCNP and GEANT4 with dedicated models, and good agreement was found between these two codes. A feasibility study was carried out with a simulated neutron energy spectrum around EAST, and the simulated "experimental" result of each sphere was obtained by calculating the response with MCNP, which used the simulated neutron energy spectrum as the input spectrum. With the deconv...
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