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          Prompt Fission Neutron Spectra of Actinides

          Closed for proposals

          Project Type

          Coordinated Research Project

          Project Code

          F41026

          CRP

          1673

          Approved Date

          6 November 2009

          Status

          Closed

          Start Date

          6 November 2009

          Expected End Date

          30 April 2015

          Completed Date

          29 October 2014

          Description

          The energy spectrum of prompt neutrons emitted in fission plays an important role in many applications in nuclear science and technology. The Co-ordinated Research Project on “Prompt fission neutron spectra of actinides” is proposed to provide prompt fission neutron spectra for 235,238U, 239Pu and 232Th nuclei. The outcome would be a recommended evaluation of prompt fission spectra of major actinides with covariances from thermal to 20 MeV incident neutrons, including validation against integral critical assembly and dosimetry data. Reactor operators and designers will draw upon data generated from this CRP to improve both operational safety and efficiency. Modelling efforts will use these data in diagnosing reactors and critical devices and in optimising design parameters in future reactor.s

          Objectives

          To enhance the ability of MS to produce and/or utilise good quality nuclear data in their existing reactor applications’ databases through evaluation of prompt fission neutron spectra with covariances from thermal to 20 MeV for major actinides

          Specific objectives

          To facilitate interaction and sharing of work within the community in a timely and professional manner

          To incorporate available experimental information on PFNS for major actinides into evaluated nuclear data files

          To make available existing experimental information on prompt fission neutron spectra (PFNS) relevant to fission reactors’ applications, which can be processed and used by users worldwide,

          To recommend evaluations of PFNS with covariances from thermal to 20 MeV incident neutron energy

          Impact

          This CRP produced key evaluations of the prompt fission neutron spectra for major actinides which have been adopted in national and international evaluated nuclear libraries worldwide.
          The CRP has been extremely successful. A highly cited comprehensive technical paper was published summarizing the CRP results.

          Relevance

          Highly relevant to improve the evaluated PFNS data.

          CRP Publications

          Type

          Peer-reviewed paper international journal

          Year

          NUCLEAR SCIENCE AND ENGINEERING: 168, 73–74 (2011)

          Description

          Absolute Ratio 252Cf to 235U Prompt Fission Neutron Spectra

          Country/Organization

          IRMM and Ohio University, USA:

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 83, 014607 – Published 28 January 2011

          Description

          Thermodynamics of nuclei in thermal contact

          Country/Organization

          Germany, France: Karl-Heinz Schmidt, Beatriz Jurado

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 86, 054601 – Published 5 November 2012

          Description

          Impact of prompt-neutron corrections on final fission-fragment distributions

          Country/Organization

          IRMM; A. Al-Adili, F.-J. Hambsch, S. Pomp, and S. Oberstedt

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Physics A, Volumes 890–891, 1 October 2012, Pages 77-101

          Description

          Sub-barrier resonance fission and its effects on fission fragment properties

          Country/Organization

          Romania, IRMM: A. Tudora, F.-J. Hambsch, S. Oberstedt

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 688, 1 October 2012, Pages 55-61

          Description

          Prompt energy distribution of 235U(n,f) at bombarding energies of 1–20 MeV

          Country/Organization

          LANL (USA): E. Kwan, C.Y. Wu, R.C. Haight, H.Y. Lee, T.A. Bredeweg, A. Chyzh, M. Devlin, N. Fotiades, J.M. Gostic, R.A. Henderson, M. Jandel, A. Laptev, R.O. Nelson, J.M. O'Donnell, B.A. Perdue, T.N. Taddeucci, J.L. Ullmann, S.A. Wender

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 83, 061601 – Published 29 June 2011

          Description

          Final excitation energy of fission fragments

          Country/Organization

          Germany, France: Karl-Heinz Schmidt, Beatriz Jurado

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 51-58

          Description

          New Features of the FIFRELIN Code for the Investigation of Fission Fragments Characteristics

          Country/Organization

          CEA (France) : Olivier Litaize, Olivier Serot, David Regnier, Stephane Theveny, Sebastien Onde,

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 598 (2009) 795-801.

          Description

          Measurements of angular and energy distributions of prompt neutrons from thermal neutron-induced fission

          Country/Organization

          Russia: A.S. Vorobyev, O.A. Shcherbakov, Yu.S. Pleva, A.M. Gagarski, G.V. Val'ski, G.A. Petrov, V.I. Petrova, T.A. Zavarukhina

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 83, 034604 – Published 10 March 2011

          Description

          Prompt fission neutron spectra from fission induced by 1 to 8 MeV neutrons on U-235 and Pu-239 using the double time-of-flight technique

          Country/Organization

          LANL, USA and CEA, France: S. Noda, R. C. Haight, R. O. Nelson, M. Devlin, J. M. O’Donnell, A. Chatillon, T. Granier, G. Bélier, J. Taieb, T. Kawano, and P. Talou

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Data Sheets, Volume 112, Issue 12, December 2011, Pages 2887-2996

          Description

          ENDF/B-VII.1 Nuclear Data for Science and Technology: Cross Sections, Covariances, Fission Product Yields and Decay Data

          Country/Organization

          USA, France, Slovenia, Russia, The Netherlands, Austria, UK, IAEA: M.B. Chadwick et al

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 132-140

          Description

          A new approach to prompt fission neutron TOF data treatment

          Country/Organization

          IRMM: Sh. Zeynalov, O.V. Zeynalova, F.-J. Hambsch, S. Oberstedt

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 147-157

          Description

          Global view on fission observables – new insights and new puzzles

          Country/Organization

          Germany, France: Karl-Heinz Schmidt, Beatriz Jurado

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 185-190, ISSN 1875-3892

          Description

          Investigation of Prompt X-ray Emission in Fission

          Country/Organization

          CEA, France; LANL, USA: Thierry Granier, Ronald O. Nelson, Thierry Ethvignot, Matthew Devlin, Nick Fotiades, Wallid Younes, Paul Garrett

          Type

          Peer-reviewed paper international journal

          Year

          EPJ Web of Conferences 27, 00001 (2012)

          Description

          Systematic Quantification of Uncertainties for Evaluated Prompt Fission Neutron Spectra and Multiplicities

          Country/Organization

          LANL (USA): Patrick Talou, Mike Rising, Toshihiko Kawano and Anil Prinja

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Physics A, Volumes 890–891, 1 October 2012, Pages 77-101

          Description

          Sub-barrier resonance fission and its effects on fission fragment properties

          Country/Organization

          Romania, IRMM: A. Tudora, F.-J. Hambsch, S. Oberstedt

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Data Sheets, Volume 112, Issue 12, December 2011, Pages 3054-3074,

          Description

          Quantification of Uncertainties for Evaluated Neutron-Induced Reactions on Actinides in the Fast Energy Range

          Country/Organization

          LANL (USA): P. Talou, P.G. Young, T. Kawano, M. Rising, M.B. Chadwick

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 82, 054616 – Published 29 November 2010

          Description

          Investigation of phenomenological models for the Monte Carlo simulation of the prompt fission neutron and gamma emission

          Country/Organization

          CEA, France: O. Litaize and O. Serot

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 43-50

          Description

          Prompt Gamma-ray Energy in the Frame of Prompt Neutron Emission Models

          Country/Organization

          Romania, IRMM: A. Tudora, C. Morariu, F.-J. Hambsch, S. Oberstedt, C. Manailescu,

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. Lett. 104, 212501 – Published 25 May 2010

          Description

          Entropy Driven Excitation Energy Sorting in Superfluid Fission Dynamics

          Country/Organization

          Germany, France: Karl-Heinz Schmidt, Beatriz Jurado

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. Lett. 104, 212501 – Published 25 May 2010

          Description

          Entropy Driven Excitation Energy Sorting in Superfluid Fission Dynamics

          Country/Organization

          Germany, France: Karl-Heinz Schmidt, Beatriz Jurado

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 610, Issue 2, 1 November 2009, Pages 540-552

          Description

          Evaluation and use of the prompt fission neutron spectrum and spectra covariance matrices in criticality and shielding

          Country/Organization

          Slovenia, Belorussia, Japan, IAEA: Ivan Kodeli, Andrej Trkov, Roberto Capote, Yasunobu Nagaya, Vladimir Maslov

          Type

          Peer-reviewed paper international journal

          Year

          NUCLEAR SCIENCE AND ENGINEERING 165, 117 (2010)

          Description

          The 235U(n,f) Prompt Fission Neutron Spectrum at 100 K Input Neutron Energy

          Country/Organization

          IRMM, KFKI, Hungary, IAEA/NDS: N. KORNILOV, F.-J. HAMBSCH, I. FABRY, S. OBERSTEDT, T.BELGYA, Z. KIS, L. SZENTMIKLOSI, and S. SIMAKOV,

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 82, 054616 – Published 29 November 2010

          Description

          Investigation of phenomenological models for the Monte Carlo simulation of the prompt fission neutron and gamma emission

          Country/Organization

          CEA, France: O. Litaize and O. Serot

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 688, 1 October 2012, Pages 55-61

          Description

          Prompt energy distribution of 235U(n,f) at bombarding energies of 1–20 MeV

          Country/Organization

          LANL (USA): E. Kwan, C.Y. Wu, R.C. Haight, H.Y. Lee, T.A. Bredeweg, A. Chyzh, M. Devlin, N. Fotiades, J.M. Gostic, R.A. Henderson, M. Jandel, A. Laptev, R.O. Nelson, J.M. O'Donnell, B.A. Perdue, T.N. Taddeucci, J.L. Ullmann, S.A. Wender

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Data Sheets, Volume 112, Issue 12, December 2011, Pages 3054-3074,

          Description

          Quantification of Uncertainties for Evaluated Neutron-Induced Reactions on Actinides in the Fast Energy Range

          Country/Organization

          LANL (USA): P. Talou, P.G. Young, T. Kawano, M. Rising, M.B. Chadwick

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 158-164

          Description

          Indication of anisotropic TKE and mass emission in 234U(n,f)

          Country/Organization

          IRMM: A. Al-Adili, F.-J. Hambsch, S. Pomp, S. Oberstedt

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 83, 064612 – Published 23 June 2011

          Description

          Advanced Monte Carlo modeling of prompt fission neutrons for thermal and fast neutron-induced fission reactions on 239Pu

          Country/Organization

          LANL, USA and RPI, USA: P. Talou, B. Becker, T. Kawano, M. B. Chadwick, and Y. Danon

          Type

          Peer-reviewed paper international journal

          Year

          NUCLEAR SCIENCE AND ENGINEERING 165, 117 (2010)

          Description

          The 235U(n,f) Prompt Fission Neutron Spectrum at 100 K Input Neutron Energy

          Country/Organization

          IRMM, KFKI, Hungary, IAEA/NDS: N. KORNILOV, F.-J. HAMBSCH, I. FABRY, S. OBERSTEDT, T.BELGYA, Z. KIS, L. SZENTMIKLOSI, and S. SIMAKOV,

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 598 (2009) 795-801.

          Description

          Measurements of angular and energy distributions of prompt neutrons from thermal neutron-induced fission

          Country/Organization

          Russia: A.S. Vorobyev, O.A. Shcherbakov, Yu.S. Pleva, A.M. Gagarski, G.V. Val'ski, G.A. Petrov, V.I. Petrova, T.A. Zavarukhina

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 51-58

          Description

          New Features of the FIFRELIN Code for the Investigation of Fission Fragments Characteristics

          Country/Organization

          CEA (France) : Olivier Litaize, Olivier Serot, David Regnier, Stephane Theveny, Sebastien Onde,

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 85, 024608 – Published 13 February 2012

          Description

          Event-by-event evaluation of the prompt fission neutron spectrum from 239Pu(n,f)

          Country/Organization

          LLNL, USA; R. Vogt, J. Randrup, D. A. Brown, M. A. Descalle, and W. E. Ormand

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 43-50

          Description

          Prompt Gamma-ray Energy in the Frame of Prompt Neutron Emission Models

          Country/Organization

          Romania, IRMM: A. Tudora, C. Morariu, F.-J. Hambsch, S. Oberstedt, C. Manailescu,

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 610, Issue 2, 1 November 2009, Pages 540-552

          Description

          Evaluation and use of the prompt fission neutron spectrum and spectra covariance matrices in criticality and shielding

          Country/Organization

          Slovenia, Belorussia, Japan, IAEA: Ivan Kodeli, Andrej Trkov, Roberto Capote, Yasunobu Nagaya, Vladimir Maslov

          Type

          Peer-reviewed paper international journal

          Year

          EPJ Web of Conferences 27, 00001 (2012)

          Description

          Systematic Quantification of Uncertainties for Evaluated Prompt Fission Neutron Spectra and Multiplicities

          Country/Organization

          LANL (USA): Patrick Talou, Mike Rising, Toshihiko Kawano and Anil Prinja

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Physics A, Volume 867, Issue 1, 1 October 2011, Pages 12-40

          Description

          Possible reference method of total excitation energy partition between complementary fission fragments

          Country/Organization

          Romania, IRMM: C. Manailescu, A. Tudora, F.-J. Hambsch, C. Morariu, S. Oberstedt

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 83, 064612 – Published 23 June 2011

          Description

          Advanced Monte Carlo modeling of prompt fission neutrons for thermal and fast neutron-induced fission reactions on 239Pu

          Country/Organization

          LANL, USA and RPI, USA: P. Talou, B. Becker, T. Kawano, M. B. Chadwick, and Y. Danon

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Data Sheets, Volume 112, Issue 12, December 2011, Pages 2887-2996

          Description

          ENDF/B-VII.1 Nuclear Data for Science and Technology: Cross Sections, Covariances, Fission Product Yields and Decay Data

          Country/Organization

          USA, France, Slovenia, Russia, The Netherlands, Austria, UK, IAEA: M.B. Chadwick et al

          Type

          Peer-reviewed paper international journal

          Year

          NUCLEAR SCIENCE AND ENGINEERING: 168, 73–74 (2011)

          Description

          Absolute Ratio 252Cf to 235U Prompt Fission Neutron Spectra

          Country/Organization

          IRMM and Ohio University, USA:

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 132-140

          Description

          A new approach to prompt fission neutron TOF data treatment

          Country/Organization

          IRMM: Sh. Zeynalov, O.V. Zeynalova, F.-J. Hambsch, S. Oberstedt

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 86, 054601 – Published 5 November 2012

          Description

          Impact of prompt-neutron corrections on final fission-fragment distributions

          Country/Organization

          IRMM; A. Al-Adili, F.-J. Hambsch, S. Pomp, and S. Oberstedt

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 83, 061601 – Published 29 June 2011

          Description

          Final excitation energy of fission fragments

          Country/Organization

          Germany, France: Karl-Heinz Schmidt, Beatriz Jurado

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 83, 034604 – Published 10 March 2011

          Description

          Prompt fission neutron spectra from fission induced by 1 to 8 MeV neutrons on U-235 and Pu-239 using the double time-of-flight technique

          Country/Organization

          LANL, USA and CEA, France: S. Noda, R. C. Haight, R. O. Nelson, M. Devlin, J. M. O’Donnell, A. Chatillon, T. Granier, G. Bélier, J. Taieb, T. Kawano, and P. Talou

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 59-65

          Description

          Monte Carlo Simulation of Prompt Fission Gamma Emission

          Country/Organization

          CEA, France: D. Regnier, O. Litaize and O. Serot

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 185-190, ISSN 1875-3892

          Description

          Investigation of Prompt X-ray Emission in Fission

          Country/Organization

          CEA, France; LANL, USA: Thierry Granier, Ronald O. Nelson, Thierry Ethvignot, Matthew Devlin, Nick Fotiades, Wallid Younes, Paul Garrett

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 59-65

          Description

          Monte Carlo Simulation of Prompt Fission Gamma Emission

          Country/Organization

          CEA, France: D. Regnier, O. Litaize and O. Serot

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 147-157

          Description

          Global view on fission observables – new insights and new puzzles

          Country/Organization

          Germany, France: Karl-Heinz Schmidt, Beatriz Jurado

          Type

          Peer-reviewed paper international journal

          Year

          Nuclear Physics A, Volume 867, Issue 1, 1 October 2011, Pages 12-40

          Description

          Possible reference method of total excitation energy partition between complementary fission fragments

          Country/Organization

          Romania, IRMM: C. Manailescu, A. Tudora, F.-J. Hambsch, C. Morariu, S. Oberstedt

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 83, 014607 – Published 28 January 2011

          Description

          Thermodynamics of nuclei in thermal contact

          Country/Organization

          Germany, France: Karl-Heinz Schmidt, Beatriz Jurado

          Type

          Peer-reviewed paper international journal

          Year

          Physics Procedia, Volume 31, 2012, Pages 158-164

          Description

          Indication of anisotropic TKE and mass emission in 234U(n,f)

          Country/Organization

          IRMM: A. Al-Adili, F.-J. Hambsch, S. Pomp, S. Oberstedt

          Type

          Peer-reviewed paper international journal

          Year

          Phys. Rev. C 85, 024608 – Published 13 February 2012

          Description

          Event-by-event evaluation of the prompt fission neutron spectrum from 239Pu(n,f)

          Country/Organization

          LLNL, USA; R. Vogt, J. Randrup, D. A. Brown, M. A. Descalle, and W. E. Ormand

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