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Members focus on the dissemination of knowledge and information in the area of power reactors with particular application to the production of electric power and process heat. The division sponsors meetings on the coverage of applied nuclear science and engineering as related to power plants, non-power reactors, and other nuclear facilities. It encourages and assists with the dissemination of knowledge pertinent to the safe and efficient operation of nuclear facilities through professional staff development, information exchange, and supporting the generation of viable solutions to current issues.
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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NRC wants input on Hermes 2 test reactor construction permit
The Nuclear Regulatory Commission is seeking input on its draft environmental assessment and draft finding of no significant impact for Kairos Power’s application to build the Hermes 2 test reactor facility in Oak Ridge, Tenn.
Hongyu Zhou, Guangshun Huang
Nuclear Science and Engineering | Volume 125 | Number 1 | January 1997 | Pages 61-74
Technical Paper | doi.org/10.13182/NSE97-A24254
Articles are hosted by Taylor and Francis Online.
Combining the usual prompt gamma radiation measurement technique and the lifetime correction method for delayed gamma radiation yield measurements allows the study of total discrete gamma radiation from 14.9-MeV neutron-induced 27Al(n,xγ) reactions. The following are identified: 21 prompt gamma lines from (n,n&primeγ), (n,αγ), (n, nαγ), (n,nαγ), (n,pnγ), (n,dγ), and (n,2nγ) reactions; 5 delayed gamma lines from one isomeric state produced in the (n, α) reaction; and the β- decay products of the residual nuclei in the (n,p) and (n, α) reactions. Their differential production cross sections at 55, 90, and 140 deg are determined simultaneously. Compared with previous experimental results, one sees a clear advantage in separating the delayed component from the mixed gamma-ray peaks, which consist of prompt and delayed gamma radiation; completely clean prompt gamma-ray production data are obtained. The accurate (n,p) cross sections and a preliminary (n, α) cross section are determined from relative differential production cross sections. They are in good agreement with the known activation data obtained from previous measurements and evaluations. The isomeric cross section for the 472.3-keV state of 24Na is also given. The present result shows that the total gamma radiation measurement method is valuable not only to acquire accurate gamma-ray production data but also to acquire accurate neutron activation data with a wide half-life range.