Search Results - "Neudecker, D"

Energy dependence of prompt fissions neutron multiplicity in the 239Pu(n,f) reaction by Marini, P., Taieb, J., Neudecker, D., Bélier, G., Chatillon, A., Etasse, D., Laurent, B., Morfouace, P., Morillon, B., Devlin, M., Gomez, J.A., Haight, R.C., Kelly, K.J., O'Donnell, J.M.

“…Accurate multiplicities of prompt fission neutrons emitted in neutron-induced fission on a large energy range are essential for fundamental and applied nuclear…”
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Impact of model defect and experimental uncertainties on evaluated output by Neudecker, D., Capote, R., Leeb, H.

“…One of the current major problems in nuclear data evaluation is the unreasonably small evaluated uncertainties often obtained. These small uncertainties are…”
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Prompt Fission Neutron Spectra of Actinides by Capote, R., Chen, Y.-J., Hambsch, F.-J., Kornilov, N.V., Lestone, J.P., Litaize, O., Morillon, B., Neudecker, D., Oberstedt, S., Ohsawa, T., Otuka, N., Pronyaev, V.G., Saxena, A., Serot, O., Shcherbakov, O.A., Shu, N.-C., Smith, D.L., Talou, P., Trkov, A., Tudora, A.C., Vogt, R., Vorobyev, A.S.

“…Here, the energy spectrum of prompt neutron emitted in fission (PFNS) plays a very important role in nuclear science and technology. A Coordinated Research…”
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Producing Evaluation-quality 239Pu Average Prompt Fission Neutron Multiplicities using a Correlated Fission Model by Neudecker, D, Lovell, A E, Talou, P

“…An evaluation of the average prompt fission neutron multiplicity, ν¯ p, of 239Pu(n,f) is shown. This evaluation includes (a) the correlated fission model CGMF,…”
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Data Assimilation using Non-invasive Monte Carlo Sensitivity Analysis of Reactor Kinetics Parameters by Kleedtke, N., Hutchinson, J., Cutler, T., Michaud, I., Rising, M.E., Hua, M., Alwin, J., Grosskopf, M.J., Vander Wiel, S., Neudecker, D., Thompson, N.

“…Accurately predicting the criticality of an experiment before interacting with the experimental components is very important for criticality safety. Radiation…”
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Nuclear data activities for medium mass and heavy nuclei at Los Alamos by Mumpower, M. R., Sprouse, T. M., Kawano, T., Herman, M. W., Lovell, A. E., Misch, G. W., Neudecker, D., Sasaki, H., Stetcu, I., Talou, P.

“…Nuclear data is critical for many modern applications from stockpile stewardship to cutting edge scientific research. Central to these pursuits is a robust…”
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Experimental spectrum averaged cross sections (SACS) in 252Cf(sf) neutron field and its impact on the evaluation of neutron standards by Capote, R, Schnabel, G, Carlson, A D, Pronyaev, V G, Noguere, G, Neudecker, D

“…A new evaluation of spectrum averaged cross sections (SACS) of 235U, 238U, and 239Pu measured in the 252Cf(sf) reference neutron field is presented and found…”
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Ratio method for estimating uncertainty in calculated gamma cascades by Lewis, A. M., Bernstein, L. A., Kawano, T., Neudecker, D.

“… The assessment of uncertainty on deduced quantities obtained through both measurement and modeling must include contributions from both components. There are…”
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Understanding the impact of nuclear-data covariances on various integral responses using adjustment by Neudecker, D., Grosskopf, M.J., Alwin, J., Cutler, T., Frankle, S., Gibson, N., Haeck, W., Herman, M.W., Hutchinson, J., Kleedtke, N., Michaud, I.J., Rising, M.E., Smith, T., Thompson, N., Vander Wiel, S.

“…The EUCLID (Experiments Underpinned by Computational Learning for Improvements in Nuclear Data) project created a library of sensitivities for nine different…”
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New paradigm for nuclear data evaluation by Herman, M., Brown, D.A., Chadwick, M.B., Haeck, W., Kawano, T., Neudecker, D., Talou, P., Trkov, A., White, M.C.

“…A new paradigm for nuclear reaction data evaluations is proposed to produce adjusted libraries that take into account integral experiments on the same footing…”
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Multiplicity of prompt fission neutron in the 239Pu(n,f) reaction and its energy dependence by Marini, P, Taieb, J, Neudecker, D, Bélier, G, Chatillon, A, Etasse, D, Laurent, B, Morfouace, P, Morillon, B, Devlin, M, Gomez, J A, Haight, R C, Kelly, K J, J. M. O’Donnell

“…Accurate multiplicities of prompt fission neutrons emitted in neutron-induced fission on a large energy range are essential for fundamental and applied nuclear…”
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EUCLID: A New Approach to Constrain Nuclear Data via Optimized Validation Experiments using Machine Learning by Hutchinson, J., Alwin, J., Clark, A.R., Cutler, T., Grosskopf, M.J., Haeck, W., Herman, M.W., Kleedtke, N., Lamproe, J., Little, R.C., Michaud, I.J., Neudecker, D., Rising, M.E., Smith, T., Thompson, N., Vander Wiel, S., Wynne, N.

“…Compensating errors between several nuclear data observables in a library can adversely impact application simulations. The EUCLID project (Experiments…”
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Shedding light on the 239Pu fission source term with new high-precision experiments and advanced fission modeling by Neudecker, D., Lovell, A. E., Kelly, K. J., Marini, P., Snyder, L., White, M. C., Talou, P., Devlin, M., Taieb, J., Chadwick, M. B.

“…In the last decade, there has been a renaissance of fission research resulting in new high-precision experiments and advanced fission modeling. For instance,…”
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Uncovering Where Compensating Errors Could Hide in ENDF/B-VIII.0 by Neudecker, D., Alwin, J., Clark, A.R., Cutler, T., Gibson, N., Grosskopf, M.J., Haeck, W., Herman, M.W., Hutchinson, J., Kleedtke, N., Lamproe, J., Little, R.C., Michaud, I.J., Rising, M.E., Smith, T., Thompson, N., Vander Wiel, S.

“…Unconstrained physics spaces between two or more nuclear data observables in a library occur when their values can be simultaneously adjusted without violating…”
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The 235U prompt fission neutron spectrum measured by the Chi-Nu project at LANSCE by Gomez, JA, Devlin, M, Haight, R C, O'Donnell, J M, Lee, HY, Mosby, S M, Taddeucci, T N, Kelly, K J, Fotiades, N, Neudecker, D, White, M C, Talou, P, Rising, ME, Solomon, C J, Wu, CY, Bucher, B, Buckner, M Q, Henderson, R A

“…The Chi-Nu experiment aims to accurately measure the prompt fission neutron spectrum for the major actinides. At the Los Alamos Neutron Science Center…”
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IAEA CIELO Evaluation of Neutron-induced Reactions on 235 U and 238 U Targets by Capote, R., Trkov, A., Sin, M., Pigni, M.T., Pronyaev, V.G., Balibrea, J., Bernard, D., Cano-Ott, D., Danon, Y., Daskalakis, A., Goričanec, T., Herman, M.W., Kiedrowski, B., Kopecky, S., Mendoza, E., Neudecker, D., Leal, L., Noguere, G., Schillebeeckx, P., Sirakov, I., Soukhovitskii, E.S., Stetcu, I., Talou, P.

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A new evaluation of the neutron data standards by Carlson, A.D., Pronyaev, V., Hale, G.M., Zhenpeng, C., Capote, R., Duran, I., Hambsch, F.-J., Kawano, T., Kunieda, S., Mannhart, W., Marcinkevicius, B., Nelson, R.O., Neudecker, D., Noguere, G., Paris, M., Schillebeeckx, P., Simakov, S., Smith, D.L., Talou, P., Tao, X., Trkov, A., Wallner, A.

“…Evaluations are being done for the H(n,n), 6Li(n,t), 10B(n,αγ), 10B(n,α), C(n,n), Au(n,γ), 235U(n,f) and 238U(n,f) standard cross sections. Evaluations are…”
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Peelle’s Pertinent Puzzle and its Solution by Frühwirth, R., Neudecker, D., Leeb, H.

“…Peelle’s Pertinent Puzzle is a long-standing problem of nuclear data evaluation. In principle it is a phenomenon exhibiting unexpected mean values for…”
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Toward a New Evaluation of Neutron Standards by Carlson, A.D., Pronyaev, V.G., Capote, R., Hale, G.M., Hambsch, F.-J., Kawano, T., Kunieda, S., Mannhart, W., Nelson, R.O., Neudecker, D., Schillebeeckx, P., Simakov, S., Smith, D.L., Talou, P., Tao, X., Wallner, A., Wang, W.

“…Measurements related to neutron cross section standards and certain prompt neutron fission spectra are being evaluated. In addition to the standard cross…”
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The CIELO collaboration: Progress in international evaluations of neutron reactions on Oxygen, Iron, Uranium and Plutonium by Chadwick, M.B., Capote, R., Trkov, A., Kahler, A.C., Herman, M.W., Brown, D.A., Hale, G.M., Pigni, M., Dunn, M., Leal, L., Plompen, A., Schillebeeck, P., Hambsch, F.-J., Kawano, T., Talou, P., Jandel, M., Mosby, S., Lestone, J., Neudecker, D., Rising, M., Paris, M., Nobre, G.P.A., Arcilla, R., Kopecky, S., Giorginis, G., Cabellos, O., Hill, I., Dupont, E., Danon, Y., Jing, Q., Zhigang, G., Tingjin, L., Hanlin, L., Xichao, R., Haicheng, W., Sin, M., Bauge, E., Romain, P., Morillon, B., Noguere, G., Jacqmin, R., Bouland, O., De Saint Jean, C., Pronyaev, V.G., Ignatyuk, A., Yokoyama, K., Ishikawa, M., Fukahori, T., Iwamoto, N., Iwamoto, O., Kuneada, S., Lubitz, C.R., Palmiotti, G., Salvatores, M., Kodeli, I., Kiedrowski, B., Roubtsov, D., Thompson, I., Quaglioni, S., Kim, H.I., Lee, Y.O., Koning, A.J., Carlson, A., Fischer, U., Sirakov, I.

“…The CIELO collaboration has studied neutron cross sections on nuclides that significantly impact criticality in nuclear technologies – 16O, 56Fe, 235,8U and…”
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