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Journal Articles

Overall approaches and experiences of first-time participants in the Nuclear Forensics International Technical Working Group's Fourth Collaborative Material Exercise (CMX-4)

Ho, D. M. L.*; Nelwamondo, A. N.*; Okubo, Ayako; Rameb$"a$ck, H.*; Song, K.*; Han, S.-H.*; Hancke, J. J.*; Holmgren, S.*; Jonsson. S.*; Kataoka, Osamu; et al.

Journal of Radioanalytical and Nuclear Chemistry, 315(2), p.353 - 363, 2018/02

 Times Cited Count:0 Percentile:0.01(Chemistry, Analytical)

The Fourth Collaborative Material Exercise (CMX-4) of the Nuclear Forensics International Technical Working Group (ITWG) registered the largest participation for this exercise in nuclear forensics, with seven of the 17 laboratories participating for the first time. In this paper, participants from five of the first-time laboratories shared their individual experience in this exercise, from preparation to analysis of samples. The exercise proved to be highly useful for testing procedures, repurposing established methods, exercising skills, and improving the understanding of nuclear forensic signatures and their interpretation trough the post-exercise review meeting.

Journal Articles

Identification of the crossing point at $$N$$ = 21 between normal and intruder configurations

Lic$u{a}$, R.*; Rotaru, F.*; Borge, M. J. G.*; Gr$'e$vy, S.*; Negoita, F.*; Poves, A.*; Sorlin, O.*; Andreyev, A.; Borcea, R.*; Costache, C.*; et al.

Physical Review C, 95(2), p.021301_1 - 021301_6, 2017/02

 Times Cited Count:12 Percentile:79.17(Physics, Nuclear)

Journal Articles

Hydroformylation of olefins by a rhodium single-atom catalyst with activity comparable to RhCl(PPh$$_{3}$$)$$_{3}$$

Lang, R.*; Li, T.*; Matsumura, Daiju; Miao, S.*; Ren, Y.*; Cui, Y.-T.*; Tan, Y.*; Qiao, B.*; Li, L.*; Wang, A.*; et al.

Angewandte Chemie; International Edition, 55(52), p.16054 - 16058, 2016/12

Journal Articles

Spin-current probe for phase transition in an insulator

Qiu, Z.*; Li, J.*; Hou, D.*; Arenholz, E.*; N'Diaye, A. T.*; Tan, A.*; Uchida, Kenichi*; Sato, Koji*; Okamoto, Satoshi*; Tserkovnyak, Y.*; et al.

Nature Communications (Internet), 7, p.12670_1 - 12670_6, 2016/08

 Times Cited Count:107 Percentile:97.44(Multidisciplinary Sciences)

Journal Articles

Evaluation of large 3600 MWth sodium-cooled fast reactor OECD neutronic benchmarks

Buiron, L.*; Rimpault, G*; Fontaine, B.*; Kim, T. K.*; Stauff, N. E.*; Taiwo, T. A.*; Yamaji, Akifumi*; Gulliford, J.*; Fridmann, E.*; Pataki, I.*; et al.

Proceedings of International Conference on the Physics of Reactors; The Role of Reactor Physics toward a Sustainable Future (PHYSOR 2014) (CD-ROM), 16 Pages, 2014/09

Within the activities of the Working Party on Scientific Issues of Reactor Systems (WPRS) of the OECD, an international collaboration is ongoing on the neutronic analyses of several Generation-IV Sodium-cooled Fast Reactor (SFR) concepts. This paper summarizes the results obtained by participants from institutions of different countries (ANL, CEA, ENEA, HZDR, JAEA, CER, KIT, UIUC) for the large core numerical benchmarks. These results have been obtained using different calculation methods and analysis tools to estimate the core reactivity and isotopic composition evolution, neutronic feedbacks and power distribution. For the different core concepts analyzed, a satisfactory agreement was obtained between participants despite the different calculation schemes used. A good agreement was generally obtained when comparing compositions after burnup, the delayed neutron fraction, the Doppler coefficient, and the sodium void worth. However, some noticeable discrepancies between the k-effective values were observed and are explained in this paper. These are mostly due to the different neutronic libraries employed (JEFF3.1, ENDFB7.0 or JENDL-4.0) and to a lesser extent the calculations methods.

Journal Articles

Mult-code ${{it ab initio}}$ calculation of ionization distributions and radiation losses for tungsten in tokamak plasmas

Ralchenko, Y.*; Abdallah, J. Jr.*; Bar-Shalom, A.*; Bauche, J.*; Bauche-Arnoult, C.*; Bowen, C.*; Busquet, M.*; Chung, H.-K.*; Colgan, J.*; Faussurier, G.*; et al.

AIP Conference Proceedings 1161, p.242 - 250, 2009/08

We present calculations of ionization balance and radioactive power losses for tungsten in magnetic fusion plasmas. The simulation were performed within the framework of non-LTE code comparison workshops utilizing independent collisional-radioactive models. The calculations generally agree with each other, however, a clear disagreement with experimental ionization distributions at low temperatures, 2 keV $$<$$ $$T$$$$_{e}$$ $$<$$ 3 keV.

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