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Fusion Science and Technology
Latest News
In transition: Commercializing fusion power
Commercial fusion power is closer than ever. There are now around 30 U.S. fusion companies, several of which claim to be on track to connect to the grid as early as the 2030s.
Tokamak and laser inertial confinement approaches benefit from decades of research at facilities such as the National Ignition Facility (NIF) at Lawrence Livermore National Laboratory and ITER, with alternative concepts including stellarator, magnetic mirror, and Z-pinch confinement also making notable progress as private and government funding for fusion increases.
Hongyu Zhou, Xinfu Wang, Chao Wang, Ming Hua, Guangshun Huang, Guoying Fan, Ting Lu, Siqing Bartel
Nuclear Science and Engineering | Volume 134 | Number 1 | January 2000 | Pages 106-113
Technical Note | doi.org/10.13182/NSE00-A2104
Articles are hosted by Taylor and Francis Online.
The gamma radiation in the interaction of 14.9-MeV neutrons with a natural lead sample is investigated by the total gamma radiation measurement technique (TGRM). Forty-nine prompt gamma lines and 8 delayed gamma lines, which come from (n,n') and (n,2n) reactions of 206Pb, 207Pb, and 208Pb, are identified, and their differential production cross sections at 55, 90, and 140 deg are determined. Six mixed gamma-ray peaks are separated, and the production data of the prompt and delayed components are given separately. The production cross sections of three isomeric states (1013.7 keV, (13/2)+, 5.5 ms in 205mPb; 2200.2 keV, 7-, 124s in 206mPb; and 1633.3 keV, (13/2)+, 0.81s in 207mPb) are accurately determined. They are in good agreement with some recent experimental and theoretical results. This is the most successful example of applying TGRM in an (n,x) experimental study following after the aluminum study.
