Search Results - "Bouland, Olivier"

Monte Carlo simulation of γ and fission transfer reactions using extended ℛ -matrix theory by Bouland, Olivier

“…This paper comes back on the accuracy of the surrogate-reaction method (SRM) historically used for neutron-induced average partial cross sections inference…”
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Double-humped barrier effects in the R-matrix for fitting of fissile isotope by Leal, Luiz, Bouland, Olivier, Noguère, Gilles

“…The Reich--Moore approach has been extensively used in the resolved resonance energy range (RRR) for a wide range of isotopes. The approximation was suggested…”
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Importance of the residual nucleus level density in the calculation of the 239Pu(n, 2n)238Pu excitation function by Bouland, Olivier, Méot, Vincent, Roig, Olivier

“…In parallel with the recent measurement by Méot et al. [1] of the 239Pu(n, 2n)238Pu reaction cross section in the [7-10] MeV neutron-incident energy range, a…”
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Testing the Extended SRM against the 238U(3He,4He)237U surrogate probabilities by Bouland, Olivier, Marini, Paola, Jurado, Beatriz

“…Since its introduction in the seventies’, the so-called surrogate-reaction method (SRM) has motivated the development and improvement of theories in connection…”
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Development of a small Time-Projection-Chamber for the quasi-absolute neutron flux measurement by Chatel, Carole, Mathieu, Ludovic, Aïche, Mourad, Diakaki, Maria, Bouland, Olivier

“…Accurate actinides fission cross sections around 1 MeV are of primary importance for the safety of generation IV reactors. To have accurate measurements, the…”
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Monte Carlo simulation of transfer reactions using extended R-matrix theory picturing surrogate-type WFCF features by Bouland, Olivier H.

“…This article supplies an overview of issues related to the interpretation of surrogate measurement results for neutron-incident cross section predictions;…”
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Re-examining intermediate resonant structures in the 242Pu fission cross section by Chatel, Carole, Bouland, Olivier, Noguère, Gilles, Diakaki, Maria, Mathieu, Ludovic

“…The study of the 242Pu fission cross section has become more important since this isotope is present in Pressurized Water Reactor Uranium Oxide and Mixed Oxide…”
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New perspectives in neutron reaction cross-section evaluation using consistent multichannel modeling methodology: Application to 17O by Nizigama, Aloys, Bouland, Olivier, Tamagno, Pierre

“…The traditional methodology of nuclear data evaluation is showing its limitations in reducing significantly the uncertainties in neutron cross sections below…”
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Covariance generation for the prompt neutron multiplicity of 239Pu including the (n,γf) process by Leal-Cidoncha, Esther, Noguere, Gilles, Bouland, Olivier, Serot, Olivier

“…Fission cross section of 239Pu can be seen as a sum of the “immediate" fission and “two-step" (n,γf) reactions. In the Resolved Resonance Range of the reaction…”
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Towards the experimental validation of a small Time-Projection-Chamber for the quasi-absolute measurement of the fission cross section by Chatel, Carole, Mathieu, Ludovic, Aïche, Mourad, Diakaki, Maria, Noguere, Gilles, Bouland, Olivier

“…To accurately measure neutron-induced fission cross sections, to characterize neutron-beam lines or to make dosimetric investigations, it is necessary to have…”
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Study of (n,α) reactions of interest for nuclear reactors: the case of 19F(n,α)16N with SCALP detector by Chevalier, Aurélien, François-René Lecolley, Lehaut, Grégory, Lecouey, Jean-Luc, Marie, Nathalie, Manduci, Loredana, Ledoux, Xavier, Beyer, Roland, Junghans, Arnd, Bouland, Olivier, Serot, Olivier

“…The 19 F(n,α)16 N cross section is of great interest for the development of the next generation IV reactors that could potentially use molten fluoride salts…”
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Measurement of 242Pu(n,f) in the 1-2 MeV energy range by Mathieu, Ludovic, Aïche, Mourad, Marini, Paola, Bouland, Olivier, Chatel, Carole, Czajkowski, Serge, Deby Kattikat-Melcom, Kurtukian, Teresa, Oberstedt, Stephan, Tsekhanovich, Igor

“…The design of new generation fast nuclear reactors requires highly accurate cross-section measurements in the MeV energy region. The 242Pu fission cross…”
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Testing Compound Nucleus Hypothesis Across the 17O Nucleus Excitation by Nizigama, Aloys, Tamagno, Pierre, Bouland, Olivier

“…The excited compound nucleus 17O* has been studied over (n,α) and (α,n) cross sections modelling, respectively for 16O and 13C targets in their ground states…”
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Monte Carlo simulation of γ and fission transfer-induced probabilities using extended ??-matrix theory: Application to the 237U∗ system by Bouland, Olivier, Jurado, Beatriz

“…This paper deals with simultaneous neutron-induced average partial cross sections and surrogate-like probability simulations over several excitation and…”
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Macroscopic-microscopic model of nuclear potential energy by Tamagno, Pierre, Bouland, Olivier, Serot, Olivier, Moller, Peter

“…To improve the evaluation of nuclear observables, refined models are to be used more and more as underlying analysis tools. Fission is a complex process and is…”
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Study of the (n,γf) process on 239Pu by Leal-Cidoncha, Esther, Noguere, Gilles, Bouland, Olivier, Serot, Olivier

“…In the neutron resonance range, fission cross section of 239Pu can be seen as a sum of the immediate (n,f) and the two-step (n,γf) fission reactions. In that…”
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Intermediate Structures in Fission and Consequences on Average Partial Cross Sections by Bouland, Olivier H.

“…This paper is willing to illustrate and quantify the impact of a double fission barrier in terms of average fission cross section and in particular, to status…”
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On the use of the generalized SPRT method in the equivalent hard sphere approximation for nuclear data evaluation by Noguere, Gilles, Archier, Pascal, Bouland, Olivier, Capote, Roberto, Jean, Cyrille De Saint, Kopecky, Stefan, Schillebeeckx, Peter, Sirakov, Ivan, Tamagno, Pierre

“…A consistent description of the neutron cross sections from thermal energy up to the MeV region is challenging. One of the first steps consists in optimizing…”
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First simultaneous evaluation of fission probabilities and neutron-induced cross sections for the Pu fissile isotopes by Bouland, Olivier, Marini, Paola

“…Surrogate reactions are a powerful tool to access neutron-induced reaction cross sections of short-lived nuclei. However, to infer neutron-induced reaction…”
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Analysis of the (n,f) Reaction in the Plutonium Isotopes by Bouland, Olivier, Lynn, J.Eric, Talou, Patrick

“…This paper describes the modified Hauser-Feshbach formalism used to compute accurately fission cross sections for low-energy neutrons (from a few keV up to 5.5…”
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