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Further Analysis of Neutron Double-Differential Cross Section of n + ^16O at 14.1 MeV and 18 MeV 被引量:1
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作者 DUAN Jun-Feng YAN Yu-Liang +2 位作者 WANG Ji-Min SUN Xiao-Jun ZHANG Jing-Shang 《Communications in Theoretical Physics》 SCIE CAS CSCD 2005年第4X期701-706,共6页
By using a new reaction model for light nuclei, the double-differential cross section of total outgoing neutron with LUNF code for n+^16O reactions at En=14.1 MeV and 18 MeV have been calculated and analyzed. In this... By using a new reaction model for light nuclei, the double-differential cross section of total outgoing neutron with LUNF code for n+^16O reactions at En=14.1 MeV and 18 MeV have been calculated and analyzed. In this paper the opened reaction channels, which have contribution to emitting the neutrons, are listed in detail. To improve the fitting results the direct inelastic scattering mechanism is involved. The calculating results agree fairly well with the experimental data at E,~ = 14.1 MeV and the deviation from calculated results and experimental data in low energy region at En= 18 MeV has been analyzed. Since the possibility of 5He has been affirmed theoretically [J.S. Zhang, Sci. Chin. G 47 (2004) 137], so 5He emission from n+ ^16O reaction is taken into account, which plays an important role at the region of the outgoing neutron energy εn〈3 MeV in total outgoing neutron energy-angular spectrum. The calculated results indicate that the pre-equilibrium mechanism dominates the whole reaction processes, and the recoil effect in light nuclear reactions is essentially important. 展开更多
关键词 total outgoing neutron energy-angular spectrum light nucleus reaction
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