‹Nº› OECD-NEA, Issy-les-Moulineaux, 19 November 2010 Joint Research Centre (JRC) ANDES WP1 Measurements for advanced reactor systems, MARS Arjan Plompen, WP-coordinator IRMM - Institute for Reference Materials and Measurements Geel - Belgium http://irmm.jrc.ec.europa.eu/ http://www.jrc.ec.europa.eu/

WP1 participants ‹Nº› OECD-NEA, Issy-les-Moulineaux, 19 November 2010 CEA IRMM DIF GANIL IFIN-HH Coutesy M. Florensa, JRC (Ispra)

Tasks, subtasks and responsibles ‹Nº› OECD-NEA, Issy-les-Moulineaux, 19 November 2010 Task 1.1 Task 1.2 High accuracy measurements of neutron inelastic High accuracy measurements of neutron capture cross scattering cross sections sections Task leader : CNRS/IPHC (CNRS/IPHC, JRC, IFIN-HH) Task leader: CEA (CEA, CIEMAT, CNRS, JRC, INFN, ITN) Subtask 1.1.a. Neutron inelastic scattering off 238 U Subtask 1.2.a 238 U total and radiative neutron capture measurements at Subtask leader: CNRS/IPHC (CNRS/IPHC, JRC, IFIN-HH) JRC Subtask leader: JRC (CEA, CIEMAT, JRC) Subtask 1.1.b. Neutron inelastic scattering off structural materials and Subtask 1.2.b 241 Am total and radiative neutron capture at JRC inert fuel components Subtask leader: JRC/IRMM ( CNRS/IPHC, Subtask leader: CEA (CEA, JRC, CIEMAT) JRC/IRMM, IFIN-HH) Subtask 1.2.c. 238 U radiative neutron capture Subtask 1.1.c measurements at CERN n_TOF Covariances for and uncertainty limits of measurements Subtask leader: CEA (CEA, CIEMAT, INFN, ITN, JRC) with the (n,n’γ) -technique Subtask leader: IFIN-HH (CNRS, JRC, IFIN-HH) Subtask 1.2.d 241 Am radiative neutron cross section at the CERN n_TOF facility Presentations by Ph. Dessagne and A. Plompen (1.1.b) Subtask leader: CIEMAT (CEA, CIEMAT, INFN, ITN, JRC) Subtask 1.2.e. Feasibility of measuring surrogate neutron capture cross sections for Cm isotopes Subtask leader: CNRS/CENBG (CNRS/CENBG, CEA/DAM, CEA/DEN, JRC)

Tasks, subtasks and responsibles ‹Nº› OECD-NEA, Issy-les-Moulineaux, 19 November 2010 Task 1.3 Task 1.4 High accuracy measurements for fission High accuracy fission product decay data Task leader: CNRS/CENBG (CNRS, INFN, ITN, JRC) measurements for reactor kinetics and decay heat calculations Subtask 1.3.a Determination of the 238Pu(n,f) cross section by Task leader : JYU ( CIEMAT, JYU) measurements with the transfer reaction 237Np(3He,pf) S ubtask leader: CNRS/CENBG, (CNRS, CEA) Subtask 1.4.a Total absorption gamma – ray spectroscopy of 88Br, 94Rb, Subtask 1.3.b 95Rb and 137I Subtask leader: JYU, (CIEMAT, JYU) Measurement of the 240,242Pu(n,f) cross sections relative to the 238U(n,f) cross section at the VdG laboratory of Subtask 1.4.b IRMM β -delayed neutron emission probabilities of 88Br, 94Rb, Subtask leader: JRC, ( CNRS/CENBG, JRC) 95Rb and 137I Subtask leader: CIEMAT, Partners: CIEMAT, JYU Subtask 1.3.c Measurement of the 240,242 Pu(n,f) cross sections relative to the 1 H(n,p) cross section Subtask leader: CNRS/CENBG ( CNRS, JRC) Subtask 1.3.d Measurement of the 240,242 Pu(n,f) cross sections relative to 235U(n,f) Subtask leader: INFN ( INFN, ITN, JRC) Subtask 1.3.e Improved analysis of the 241,243 Am(n,f) and 245 Cm(n,f) cross sections measured at nTOF Subtask leader: INFN Subtask 1.3.f Measurements of fission fragment isotopic distributions and fission probabilities for Np, Pu, Cm Subtask leader: CNRS/GANIL (CNRS/GANIL, CENBG+IPNO, CEA/DAM, USC)

Priority needs for advanced reactors ‹Nº› OECD-NEA, Issy-les-Moulineaux, 19 November 2010 Items addressed by ANDES WP1 are marked

Priority needs for advanced reactors ‹Nº› OECD-NEA, Issy-les-Moulineaux, 19 November 2010 Items addressed by ANDES WP1 are marked Besides these needs from the work of Subgroup 26 of the OECD-NEA there is work on needs that were established by IP-EUROTRANS and CANDIDE and by Subgroup 25 “Assessment of fission product decay data for decay heat calculations” This WP1 is inline with recommendations in the Strategic Research Agenda for improving basic nuclear data to improve modelling and simulation of advanced reactor systems

WP1 Deliverables ‹Nº› OECD-NEA, Issy-les-Moulineaux, 19 November 2010 Impressive list of deliverables Addresses a large fraction of the advanced reactor systems high priorities Final impact can be judged on the basis of achieved measurement uncertainties and advanced reactor sensitivity studies

WP1 Milestones ‹Nº› OECD-NEA, Issy-les-Moulineaux, 19 November 2010

Presentations ‹Nº› OECD-NEA, Issy-les-Moulineaux, 19 November 2010 1.1 Ph. Dessagne 1.3 A. Plompen (N. Colonna) 1.1.b A. Plompen 1.3.a Ph. Dessagne 1.2 A. Plompen (F. Gunsing) 1.3.f Ph. Dessagne 1.2.d E. Gonzalez (D. Cano) 1.4 H. Pentillä (or AP) 1.2.e Ph. Dessagne

1.1.c Accuracy of inelastic scattering ‹Nº› OECD-NEA, Issy-les-Moulineaux, 19 November 2010

1.1.c Accuracy of inelastic scattering ‹Nº› OECD-NEA, Issy-les-Moulineaux, 19 November 2010 Next steps: Comprehensive quantification of uncertainty and correlations Markov-chain Monte Carlo: Metropolis – Hastings / Gibbs AGS analytical handling and representation of covariance

Fission induced in multi-nucleon transfer using inverse kinematics at GANIL M. Caamaño, X. Derkx, F. Rejmund et al. GANIL ; GSI, Germany ;USC, Spain ; CENBG, IPNL, IPNO, France ‹Nº› OECD-NEA, Issy-les-Moulineaux, 19 November 2010 Transfer reaction: access to heavy neutron-rich actinides Inverse kinematics: Identification of the complete element production Spectrometer: Isotopic distribution (detection) 238 U SPIDER 12 C E-E 6.1 AMeV FF1 recoil FF2 VAMOS spectrometer C B Be U Li Np Pu Am

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