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The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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Proving DRACO will deliver
The United States is now closer than it has been in over five decades to launching the first nuclear thermal rocket into space, thanks to DRACO—the Demonstration Rocket for Agile Cislunar Orbit.
Xuemei Zhang, Zemin Chen, Yingtang Chen, Guoyou Tang, Guohui Zhang, Jinxiang Chen, Yu. M. Gledenov, G. Khuukhenkhuu
Nuclear Science and Engineering | Volume 134 | Number 1 | January 2000 | Pages 89-96
Technical Paper | doi.org/10.13182/NSE00-A2102
Articles are hosted by Taylor and Francis Online.
Cross sections, angular distributions, and double-differential cross sections were measured for 39K(n,)36Cl reactions at En = 4.5, 5.5, and 6.5 MeV and for 40Ca(n,)37Ar reactions at En = 5.0 to 6.0 MeV, using a twin-gridded ionization chamber, and the experimental data were analyzed with the UNF code. The results indicate that the optical model parameters employed in the calculation are appropriate in the energy region. The energy level densities used in our calculations are a little different from the findings of Gilbert and Cameron, and the pair corrections of some nuclei are much smaller than what was determined by them. The experiment and model calculation results indicate that in the energy region below 7 MeV, the compound nuclear mechanism is predominant; at 6.5 MeV, the preequilibrium emission is ~12%.