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Decommissioning & Environmental Sciences
The mission of the Decommissioning and Environmental Sciences (DES) Division is to promote the development and use of those skills and technologies associated with the use of nuclear energy and the optimal management and stewardship of the environment, sustainable development, decommissioning, remediation, reutilization, and long-term surveillance and maintenance of nuclear-related installations, and sites. The target audience for this effort is the membership of the Division, the Society, and the public at large.
Meeting Spotlight
Conference on Nuclear Training and Education: A Biennial International Forum (CONTE 2025)
February 3–6, 2025
Amelia Island, FL|Omni Amelia Island Resort
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Three nations, three ways to recycle plastic waste with nuclear technology
Plastic waste pollutes oceans, streams, and bloodstreams. Nations in Asia and the Pacific are working with the International Atomic Energy Agency through the Nuclear Technology for Controlling Plastic Pollution (NUTEC Plastics) initiative to tackle the problem. Launched in 2020, NUTEC Plastics is focused on using nuclear technology to both track the flow of microplastics and improve upstream plastic recycling before discarded plastic can enter the ecosystem. Irradiation could target hard-to-recycle plastics and the development of bio-based plastics, offering sustainable alternatives to conventional plastic products and building a “circular economy” for plastics, according to the IAEA.
C. Nordborg, L. Nilsson, H. Condé, L. G. Strömberg
Nuclear Science and Engineering | Volume 66 | Number 1 | April 1978 | Pages 75-83
Technical Paper | doi.org/10.13182/NSE78-A15189
Articles are hosted by Taylor and Francis Online.
The gamma-ray production cross section of oxygen has been measured at incident neutron energies between 7 and 10.5 MeV. The production of the 6.13-, 6.92-, and 7.12-MeV gamma rays by the (n,n′γ) reaction in 16O and the 3.09-, 3.68-, and 3.85-MeV gamma rays by the (n,αγ) reaction has been studied. In addition, the production cross section of the 4.44-MeV gamma ray from inelastic neutron scattering on carbon has been measured at one neutron energy, since many earlier measurements of gamma-ray production cross sections have been performed relative to this cross section. Monoenergetic neutrons were produced by the 2H(d,n)3He and 3H(p,n)3He reactions. The gamma radiation was detected by a large Nal(Tl) scintillator using time-of-flight techniques. The neutron flux was measured by means of a proton-recoil telescope using the n-p scattering cross section. The differential gamma-ray production cross sections were measured at 90 deg. In addition, the angular distribution for the 6.13-MeV gamma ray was determined at one neutron energy. The results for oxygen, which show pronounced structure of the cross section for the 6.13-MeV gamma ray over the whole energy region, are in disagreement with current data files, whereas the results for carbon are in agreement with a number of recent investigations of the 12C(n,n′γ)12C and 12C(n,n′)12C reactions.
