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A Numerical Algorithm for Nuclear Reaction in Deuterium-Tritium Plasma

Dongmei Pan, Zijia Zhao, Zhong Chen, Zhongliang Lv, Junhan Li

Fusion Science and Technology / Volume 75 / Number 4 / May 2019 / Pages 317-323

Technical Paper / dx.doi.org/10.1080/15361055.2019.1570809

Received:June 23, 2018
Accepted:January 14, 2019
Published:May 13, 2019

Rates of neutron production in deuterium-tritium (D-T) plasmas below the temperature of 100 keV have been widely studied with analytical cross sections based on nuclear physics. In the present work, a new algorithm of numerical simulation using the latest nuclear database ENDF/B-VII, discrete ordinate (SN) method, and Monte Carlo methods was developed to describe nuclear reactions in D-T plasma. Compared with the method that used analytical cross section, this new method can predict the nuclear reaction in plasma to several hundreds of kilo-electron-volts and has the potential to give information about directionality of the neutron flux and other interesting nuclear reactions, if needed.

 
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