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Journal Articles

Overview of the OECD-NEA Working Party on International Nuclear Data Evaluation Cooperation (WPEC)

Fleming, M.*; Bernard, D.*; Brown, D.*; Chadwick, M. B.*; De Saint Jean, C.*; Dupont, E.*; Ge, Z.*; Harada, Hideo; Hawari, A.*; Herman, M.*; et al.

EPJ Web of Conferences, 239, p.15002_1 - 15002_4, 2020/09

 Times Cited Count:0 Percentile:0.1

Journal Articles

The Joint evaluated fission and fusion nuclear data library, JEFF-3.3

Plompen, A. J. M.*; Cabellos, O.*; De Saint Jean, C.*; Fleming, M.*; Algora, A.*; Angelone, M.*; Archier, P.*; Bauge, E.*; Bersillon, O.*; Blokhin, A.*; et al.

European Physical Journal A, 56(7), p.181_1 - 181_108, 2020/07

 Times Cited Count:234 Percentile:99.41(Physics, Nuclear)

The Joint Evaluated Fission and Fusion nuclear data library 3.3 is described. New evaluations for neutron-induced interactions with the major actinides $$^{235}$$U, $$^{238}$$U and $$^{239}$$Pu, on $$^{241}$$Am and $$^{23}$$Na, $$^{59}$$Ni, Cr, Cu, Zr, Cd, Hf, W, Au, Pb and Bi are presented. It includes new fission yileds, prompt fission neutron spectra and average number of neutrons per fission. In addition, new data for radioactive decay, thermal neutron scattering, gamma-ray emission, neutron activation, delayed neutrons and displacement damage are presented. JEFF-3.3 was complemented by files from the TENDL project. The libraries for photon, proton, deuteron, triton, helion and alpha-particle induced reactions are from TENDL-2017. The demands for uncertainty quantification in modeling led to many new covariance data. A comparison between results from model calculations using the JEFF-3.3 library and those from benchmark experiments for criticality, delayed neutron yields, shielding and decay heat, reveals that JEFF-3.3 is excellent for a wide range of nuclear technology applications, in particular nuclear energy.

Journal Articles

SFCOMPO-2.0; An OECD NEA database of spent nuclear fuel isotopic assays, reactor design specifications, and operating data

Michel-Sendis, F.*; Gauld, I.*; Martinez, J. S.*; Alejano, C.*; Bossant, M.*; Boulanger, D.*; Cabellos, O.*; Chrapciak, V.*; Conde, J.*; Fast, I.*; et al.

Annals of Nuclear Energy, 110, p.779 - 788, 2017/12

 Times Cited Count:58 Percentile:99.17(Nuclear Science & Technology)

Journal Articles

Microbial carbon cycling in oligotrophic regional aquifers near the Tono Uranium Mine, Japan as inferred from $$delta$$ $$^{13}$$C and $$Delta$$ $$^{14}$$C values of ${it in situ}$ phospholipid fatty acids and carbon sources

Mills, C.*; Amano, Yuki; Slater, G.*; Dias, R.*; Iwatsuki, Teruki; Mandernack, K.*

Geochimica et Cosmochimica Acta, 74(13), p.3785 - 3805, 2010/07

 Times Cited Count:31 Percentile:62.51(Geochemistry & Geophysics)

The natural abundance delta $$^{13}$$C and $$^{14}$$C values of microbial membrane phospholipid fatty acids (PLFAs) were measured and used to assess the carbon sources of bacteria in sedimentary and granitic groundwaters sampled from three boreholes in the vicinity of the Tono Uranium Mine, Gifu, Japan. The most abundant PLFA structures in all waters sampled were heterotrophic bacteria. A PLFA biomarker for type II methanotrophs in sedimentary and granitic waters, sampled from the KNA-6 borehole. The delta $$^{14}$$C values determined for type II methanotroph PLFAs in the groundwaters were very similar to the delta $$^{14}$$C values of dissolved inorganic carbon in each water. This suggests that type II methanotrophs ultimately derive all their carbon from inorganic carbon, whether directly from DIC and/or from CH$$_{4}$$ produced by the reduction of DIC. In contrast, $$Delta$$$$^{13}$$C values of type II PLFAs in the groundwaters indicate that these organisms use different carbon assimilation schemes in each environment despite very similar delta $$^{13}$$C$$_{rm CH4}$$ values for each water. Ancient delta $$^{14}$$C values of some PLFAs suggest that many heterotrophs utilize ancient organic matter, perhaps from lignite seams within the sedimentary rocks.

Oral presentation

Does understory plant community explain soil organic matter and function in nemo-boreal pine woodland ?

Mills, R.*; Fujii, Kazumichi*; Jassey, V.*; Heffernan, L.*; Koarashi, Jun; Mattiasen, C.*; Robroek, B.*; Buttler, A.*

no journal, , 

Currently, estimates of soil carbon stock and turnover in northern forest soils ignore, to a large extent, the variability of understory plant communities, and their contribution to the within-system heterogeneity that might occur. To explore how understory plant communities may explain soil carbon stock and turnover, we analysed podsol O-horizons for organic matter characteristics and microbial communities and functions across contrasting cover of functional groups in a nemo-boreal pine forest in southern Sweden. We found plant community cover and biomass to be a poor predictor of organic matter content and quality, and of the microbial community composition to be poorly related to both. The results imply a disconnection between plant community composition and longer-term soil carbon stores in complex systems on an ecosystem scale.

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