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Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Development Needs of Nuclear Data for Fusion Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Development Needs of Nuclear Data for Fusion Technology U. Fischera), P. Batistonib), R. A. Forrestc), Ch. Konnod), R. L. Perele), K. Seidelf), S. P. Simakova) a)Forschungszentrum Karlsruhe, Germany; b)ENEA Frascati, Italy; c)UKAEA Fusion, Culham, UK; d)JAEA, Tokai-mura, Japan, e)HU Jerusalem, Israel, f)TU Dresden, Germany International Conference on Nuclear Data for Science and Technology, Nice, France, April 22 - 27, 2007 U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Outline • Fusion Technology Strategy • Nuclear Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Outline • Fusion Technology Strategy • Nuclear Data Needs for Fusion Technology • Current Status of Fusion Nuclear Data • Benchmarking and Validation • Further Development Needs U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Fusion Technology Strategy The long-term aim of Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Fusion Technology Strategy The long-term aim of the Fusion Programme is to make available, as early as possible, fusion power as a source of electric energy • Long-term: Commercial Fusion Power Plant (FPP) • Short-term: “Next Step” devices – ITER (“International Thermonuclear Experimental Reactor”) – IFMIF (“International Fusion Material Irradiation Facility”) • Demonstration Power Plant (DEMO) • Prototype Power Plant (PROTO) • “Fast Track” approach: DEMO & PROTO combined in one single step U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Plasma physics Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Strategy to commercial fusion energy Plasma physics Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Strategy to commercial fusion energy Tokamak physics (ASDEX-UP, JET) Fast Track to commercial fusion power Concept improvements, Stellarator Facilities DEMO and PROTO combined ITER DEMO Technology 14 Me. V neutron source 2005 Decision point PROTO ITER-relevant technology Experimental electrical power production Fusion power technology – DEMOrelevant 2010 2015 U. Fischer et al, Fusion Nuclear Data Needs 2020 2025 2030 2035 2040 commercial fusion power 2045 2050 ND 2007, Nice, April 22 - 27, 2007

ITER blanket modules TF-magnet test blanket port plasma chamber cryostat divertor vacuum vessel U. ITER blanket modules TF-magnet test blanket port plasma chamber cryostat divertor vacuum vessel U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF Intense Neutron Source PIE Facilities Access Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF Intense Neutron Source PIE Facilities Access cell Test Cell 0 U. Fischer et al, Fusion Nuclear Data Needs 20 40 m ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Implications for Fusion Neutronics and Nuclear Data Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Implications for Fusion Neutronics and Nuclear Data • Focus on development and qualification of computational tools and nuclear data required for reliable design analyses of ITER, in particular for the layout and optimization of the Test Blanket Modules (TBM), and the IFMIF neutron source facility • Dedicated efforts on – Computational Tools – Data evaluation, processing and validation – Differential and integral experiments EU Fusion Technology Programme: Fusion Nuclear Data related R&D work implemented as part of integrated fusion materials and technology programme U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Nuclear Data Needs for ITER U. Fischer Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Nuclear Data Needs for ITER U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom ITER Test Blanket Modules • Objectives for Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom ITER Test Blanket Modules • Objectives for TBM testing in ITER – Demonstrate tritium breeding performance and on-line tritium recovery – Demonstrate high-grade heat extraction & integral performance of blanket system – Validate computational tools and data for complex geometrical configuration C C vs. E E • TBM design and fabrication of mock-ups • Mock-up testing prior to TBM installation in ITER • EU blanket concepts: – Helium cooled pebble bed (HCPB) blanket – Helium cooled lithium lead (HCLL) blanket U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Testing of HCPB TBM in ITER MCNP Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Testing of HCPB TBM in ITER MCNP model Objectives: Demonstration of Tritium breeding performance • U. Fischer et al, Fusion Nuclear Data Needs • Validation of capability of codes & data to predict nuclear responses (TPR, flux spectra, heating) with sufficiently high accuracy ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Materials/Elements for ITER Nuclear Analyses • Test Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Materials/Elements for ITER Nuclear Analyses • Test Blanket Modules (TBM) – – Be (multiplier, first wall armour) Li 4 Si. O 4 (Li 2 Ti. O 3), Pb-Li Eurofer (Fe, Cr, W, Ta, V, Mn, C, …. ) He (coolant) • Plasma facing components – Be, W – Cu/Cu alloy (Cu. Cr. Zr, Cu. Al 25) • Shield modules, vacuum vessel – SS-316 L (N): Fe, Cr, Ni, Mo, Mn, C, N, . . – SS 30467 (2 w% B): Fe, Cr, Ni, Mo, Mn, B, C, N, P, S, . . – H 2 O U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Element Priority List for TBM Nuclear Analyses Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Element Priority List for TBM Nuclear Analyses Required elements for TBM design: • Be, Pb, Li, Si, O, Fe, Cr, W, Ta, Cu, Ti, … Requirements for data evaluations: • DDX data for multiple particle emission reactions – Secondary particle & recoil spectra ( kerma, dpa) • Co-variance data for uncertainty analyses high priority for TBM design assessment • g- production data for heating calculations • Isotope evaluations • Qualified by benchmark analyses U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Fusion Nuclear Data Libraries • European Fusion/Activation Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Fusion Nuclear Data Libraries • European Fusion/Activation File (EFF/EAF) – Developed as part of EU fusion technology programme in cooperation with JEFF (Joint Evaluated Fusion and Fission File) • JENDL-FF (Japanese Evaluated Nuclear Data Library - Fusion File) – Fusion data library based on JENDL-3. 1 • FENDL: Fusion Evaluated Nuclear Data Library – Developed under co-ordination of IAEA/NDS – FENDL-2. 0/2. 1 reference library for ITER neutronics General purpose data libraries suitable for fusion applications: • ENDF/B-VI, -VII (US), JENDL-3. 3 (Japan), BROND (RF) U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Recent Neutron Transport Benchmark Experiments • Fusion Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Recent Neutron Transport Benchmark Experiments • Fusion Neutron Source (FNS) of JAEA – Measurements of g-ray leakage spectra from slabs of C, V, Fe, Cu, W, Pb, SS-316, Li. Al. O 2, Li 2 Ti. O 3, Li 2 Zr. O 3 – Benchmark experiments on Si. C, W – Breeding blanket mock-up experiments Be/ Li 2 Ti. O 3/F 82 H/W • EU Fusion Technology Programme – Frascati Neutron Generator (FNG), TU Dresden – Benchmark experiments on Si. C, W – Breeder blanket mock-up experiments HCPB blanket: Be, Li 4 Si. O 4 SS-316 HCLL blanket: Pb-Li, SS-316 (under preparation) U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Recent Neutron Transport Benchmark Analyses • EU Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Recent Neutron Transport Benchmark Analyses • EU Fusion Technology Programme (EFF Project) – Benchmark analyses on Be, Ti, V, Pb, W and Ta to check and validate recent data evaluations for neutron transport calculations • FENDL-2. 1 Benchmark Analyses – EU: ITER bulk shield & streaming experiments, Si. C, W transmission experiments, HCPB TBM mock-up experiment L. Petrizzi et al, this conference – JAEA (Ch. Konno et al): Re-analysis of TOF experiments on Li 2 O, Be, C, Pb, N, O, Fe + slab experiments Li 2 O, Li. Al. O 2, Li 2 Zr. O 3, Li 2 Ti. O 3, Be, C, Si. C, Fe, SS-316, Cu, W + shielding/streaming experiments General trend: FENDL-2. 1 & -2. 0 results agree to large extent, only some improvements, e. g. for W. U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom FENDL-2. 1 Benchmarking (Ch. Konno, JAEA) U. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom FENDL-2. 1 Benchmarking (Ch. Konno, JAEA) U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Ta Benchmarking (EU) Using LLNL Pulsed Sphere Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Ta Benchmarking (EU) Using LLNL Pulsed Sphere Experiments U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Ta Benchmarking (EU) Secondary Neutron Energy Spectra Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Ta Benchmarking (EU) Secondary Neutron Energy Spectra at 14 Me. V incident neutron energy U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom neutron source Pellet position HCPB Mock-up Experiment Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom neutron source Pellet position HCPB Mock-up Experiment (ENEA/FZK/TUD) n a C/E-results with EFF-3 data Measurement and analysis of Tritium Production Rates in HCPB-TBM mock -up using MCNP Monte Carlo code and data from European Fusion File (EFF-3). The Calculation/Experimental (C/E) ratios obtained indicate that the predictions are conservative. U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom HCPB Mock-up Experiment at FNG - Uncertainty Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom HCPB Mock-up Experiment at FNG - Uncertainty Assessment for Tritium Production - U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom JAEA Breeder Blanket Mock-up Experiment at FNG Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom JAEA Breeder Blanket Mock-up Experiment at FNG F 82 H/Li 2 Ti. O 3/Be assembly with and without source neutron reflector (Unit: mm) Neutron reflector, SS 316 800 Li 2 Ti. O 3(12) f 800 450 Hole for beam guide Beryllium (203. 2) Without reflector With reflector FENDL-2. 1 Li 2 CO 3 pellet F 82 H(16) DT neutron source Mockup enclosure, SS 316 U. Fischer et al, Fusion Nuclear Data Needs f 1200 600 T production: Calc. /Exp 660 Void(9) Beam guide S. Sato et al, this conference 600 1. 035 1. 102 JENDL-3. 3 1. 055 1. 120 ENDF/B-VII 1. 004 1. 097 JEFF-3. 1 1. 052 1. 102 ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF Neutronics and Nuclear Data U. Fischer Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF Neutronics and Nuclear Data U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF Intense Neutron Source Medium Flux • Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF Intense Neutron Source Medium Flux • Deuteron beams: – 2 x 125 m. A – Ed = 40 Me. V • Low Flux Neutron production: – 1. 1 1017 s Deuteron Beam -1 Liquid Li Jet • Test volumes: – high flux: 0. 5 L > 20 dpa/fpy(*) – medium flux: 6 L > 1 dpa/fpy, – low flux: 7. 5 L 0. 1 -1 dpa/fpy High Flux Beam Spot (20 x 5 cm 2) (*)fpy U. Fischer et al, Fusion Nuclear Data Needs = full power year ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF neutron flux spectrum U. Fischer et Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF neutron flux spectrum U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF Neutronics Issues Key role of neutronics Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF Neutronics Issues Key role of neutronics and nuclear data in establishing IFMIF as neutron source for fusion material testing Prove IFMIF’s suitability as neutron source for fusion-specific simulation irradiations Provide reliable data for the technical layout of facility • Computational tools and data required – D-Li neutron source term simulation – Neutron transport (En> 20 Me. V) – Activation and transmutation (En> 20 Me. V) Need for experimental data, need for validation U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom D-Li Neutron Source Term • Monte Carlo Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom D-Li Neutron Source Term • Monte Carlo Code Mc. De. Licious Developed to enable a proper representation of the d-Li neutron source term in Monte Carlo transport calculations for IFMIF • Enhancement to MCNP with ability to sample the generation of d. Li source neutrons on the basis of tabulated double-differential d + 6, 7 Li cross-sections - Modelling of deuteron beam configuration, orientation and profile - Use of evaluated d+ 6, 7 Li data to sample source neutrons - d + 6, 7 Li cross-sections for deuteron energies up to 50 Me. V ( A. Konobeyev et al, NSE 139 (2001)) - Updated evaluation (new methodology, P. Pereslavtsev, 2005) U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft New d + 6, 7 Li Association FZK-Euratom Data Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft New d + 6, 7 Li Association FZK-Euratom Data Evaluation P. Pereslavtsev et al, 2005 Neutron emission spectra in forward direction U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Mc. De. Licious validation analyses: Thick Li-target Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Mc. De. Licious validation analyses: Thick Li-target neutron forward yields as function of deuteron incidence energy U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF Material Irradiation Tests • IFMIF’ s Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF Material Irradiation Tests • IFMIF’ s primary mission is to generate a materials irradiation database for the design, construction, licensing and operation of DEMO • Major neutronics task in this context: – Provide the data required for the design and optimisation of the irradiation test modules and the lay-out of the test cell Neutron/photon transport calculations (Mc. De. Licious) for flux distributions and nuclear responses such as nuclear heating, radiation damage accumulation and gas production. U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Materials for IFMIF • Highest priority: structural Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Materials for IFMIF • Highest priority: structural materials of the reduced activation ferritic-martensitic (RAFM) type (Eurofer, F 82 H). A variety of Eurofer specimens will be irradiated in the high flux test module (HFTM) up to the target fluence of 150 dpa. • Other materials of (possibly) lower priority: – Si. C, V/V-alloy, divertor materials (e. g. W) – Breeder materials, neutron multiplier – Ceramic insulators and others U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Chemical Composition of RAFM Steel Eurofer U. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Chemical Composition of RAFM Steel Eurofer U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Neutron Cross-Sections E 20 Me. V - Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Neutron Cross-Sections E 20 Me. V - General purpose data ENDF evaluations • IFMIF project – 1 H, 56 Fe, 23 Na, 39 K, 28 Si, 12 C, 52 Cr, 51 V, 6, 7 Li, 9 Be (INPE/FZK) 180, 182 -184, 186 W, 181 Ta, 55 Mn (EFF/JEFF) • LANL 150 Me. V data files (ENDF/B-VI/-VII) 1, 2 H, 12 C, 16 O, 14 N, 27 Al, 28, 29, 30 Si, 31 P, 40 Ca, 50, 52, 53, 54 Cr, 54, 56, 57, 58 Fe, 58, 60, 61, 62, 64 Ni, 63, 65 Cu, 93 Nb, 182, 183, 184, 186 W, 196, 198, 199, 200, 201, 202, 204 Hg, 208 Pb, 209 Bi • • • NRG evaluations – 40, 42 -44, 46, 48 Ca, 206, 45 Sc, 46 -50 Ti, 54, 56 -, 58 Fe, 70, 72 -74, 76 Ge, 204, 206 -208 Pb, 209 Bi JENDL-HE data file (to be extended in 2007) – 1 H, 12, 13 C, 14 N, 16 O, 24 -26 Mg, 27 Al, 28 -30 Si, 39, 41 K, 40, 42 - 46, 48 Ca, 50, 52 -54 Cr, 55 Mn, 54, 56 -58 Fe, 59 Co, 58, 60 -62, 64 Ni, 63, 65 Cu, 92, 94, 96 Zr, 93 Nb, 180, 182 -184, 186 W, 196, 198 -202, 204 Hg Few other evaluations – KAERI (12 C, 27 Al, 56 Fe, 208 Pb), BNL (12 C, 56 Fe, 208 Pb, 209 Bi), (232 -238 U, 237, 239 Np, 236 -244 Pu) U. Fischer et al, Fusion Nuclear Data Needs 46 -50 Ti, 51 V, 64, 66 -68, 70 Zn, 90 - IPPE ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Activation Data Libraries for IFMIF • Intermediate Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Activation Data Libraries for IFMIF • Intermediate Energy Activation File IEAF-2001 (FZK/INPE) – Complete cross-section data library for activation and transmutation analyses up to En 150 Me. V (1 Z 84) – Uses lumped MT=5 reaction cross-sections with production yield vectors (LAW=0) on MF=6 file • Updated neutron data library underway P. Pereslavstev, this conference • Complementary proton data library available A. Konobeev, this conference • European Activation File EAF-2007 (UKAEA) – Neutron data up to 60 Me. V for 65, 565 reactions on 816 targets • EAF data format using non-standard MT-numbers – Supplementary data libraries for d- and p-induced reactions • Developed for IFMIF accelerator activation calculations • Largely based on TALYS model calculations R. Forrest, this conference U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Association NPI Rez Activation Experiments FZK-Euratom Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft P. Bem, this Association NPI Rez Activation Experiments FZK-Euratom Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft P. Bem, this conference Activation Foils p-D 2 O neutron spectrum Neutron Detector 37 Me. V protons 1. 7 mm 47 mm ≈ 700 cm C/E ratios of g –radioactivities induced in W D 2 O Target (Ø 30× 26 mm 2) U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Association NPI Rez Activation Experiments FZK-Euratom Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Irradiation of Ta Association NPI Rez Activation Experiments FZK-Euratom Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Irradiation of Ta C/E ratios of induced g –radio-activities • • • Significant discrepancies of measured and calculated g-radio-activities Large deviations between available activation cross-section evaluations No measured cross-section data U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Dosimetry Reaction Cross-Sections for Neutron Spectrum Determination Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Dosimetry Reaction Cross-Sections for Neutron Spectrum Determination • • Both measurements and evaluations required for dosimetry reactions cross sections above 20 Me. V Uncertainties need to be estimated U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Gas production cross-sections B. Haight, this conference Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Gas production cross-sections B. Haight, this conference U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Further Data Developments Needs - ITER and Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Further Data Developments Needs - ITER and IFMIF - U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF Data Needs • General purpose neutron Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom IFMIF Data Needs • General purpose neutron data library – Urgent need for qualified IFMIF reference data library • Activation/transmutation data – IEAF/EAF (n, p, d), to be further developed, improved and validated – Cross section measurements required for • neutrons (E >20 Me. V): Cr, Co, V, W, Ta, Pb, Bi, Au, Mn • deuterons (E < 40 Me. V): Cu, Al, Nb, • protons (E < 12 Me. V): Cu, Al, Nb, Ta, W, Au, Pb – Validation experiments, to be extended/continued • Reliable gas production cross-section data (H, He) • Dosimetry data file to be developed for E > 20 Me. V (IRDF) U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007

Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Major ITER Data Needs ü Well qualified Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Association FZK-Euratom Major ITER Data Needs ü Well qualified data available for neutronics and activation calculations of fusion reactors • Improvements mainly required for neutronics analyses of ITER TBM including e. g. Li, Be, Pb and O • Major challenge: Co-variance data for uncertainty assessments of nuclear responses in TBM To conclude: Continuous effort required for adapting computational tools and nuclear data to changing user needs, thereby improving and maintaining their quality. U. Fischer et al, Fusion Nuclear Data Needs ND 2007, Nice, April 22 - 27, 2007