Nuclear Data Project: Evaluation, Validation, and Sensitivity Analyses

A new nuclear data project focuses on validation in minor actinide and fission product data with the evaluation of 37.6 integral experiments. Priorities include S/U analysis and reduction strategies to meet budget goals. Funding supports new integral experiments for nuclear data validation and large-scale projects for cross-section studies and depletion calculations.

• Nuclear data
• Validation
• Sensitivity analyses
• Minor actinides
• Fission products

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1. New nuclear data project Evaluation of LOI: Nuclear data validation, sensitivity analyses and priorities Michal Kostal, LR-0 reactor lab, Rez SANDA 2 meeting, July 10th, 2023, CIEMAT, Madrid, Spain

2. Summary Lot of LOI 37 6 integral experiments LOI (but in 5 I have conflict of interests) The evaluated project aims on essential validation in minor actinide and fission product data 15 LOI in Nuclear data validation 13 of them focused on older or benchmark data (so not too many funding needed as acces into ICSBEP / IRPhEP / SINBAD is free) 16 S/U analysis 13 of them focus on clasical systems so ideal as PhD thesis Ranking 4 reduction by 0.9 or close to 100kE ( 6 LOI ) 3 reduction by ~ 0.15 . To reach reliable budget and inclusion as most as possible groups 2 not evaluated

3. New integral experiments New integral experiments . this should be supported because: A. Trkov: there are benchmarks with ridiculously small uncertainties. Out of about 800 benchmarks in my collection there are more than 40 with uncertainties smaller than 70 pcm (see icsbep_dk.lst). The winner is HEU-COMP-MIXED-003 with less than 1 pcm uncertainty!!! Unrealistic uncertainties distort figures of merit when comparing the performance of different evaluated data libraries. . Tentative budget Project Acronym Requested Submitter Institution Large Iron Reflector for Iron Cross Section Studies LIRICS CVREZ 19 840 Michal Ko l POSEIDON : Fission Product Oscillation Experiments Improving Depletion Calculations POSEIDON pierre leconte CEA 128 000 New Integral Experiments for Nuclear Data Validation NEWVAL CVREZ 1 500 Michal Ko l New Integral Experiments for Nuclear Data Validation NEWVAL Robert Jacqmin CEA 1 500 Veronique Bellanger- Villard Integral validation of minor actinide and fission product data AOSTA-2 CEA 100 000 90 000 New Integral Experiments for Nuclear Data Validation NEWVAL guido vittiglio SCK 1 500

4. Nuclear data validation Very large amount of validation but only few experimental Project Acronym Requested Tentative budget Submitter Institution martin schulc Vicente B cares- Palacios Mathieu Hursin Jean-Marc PALAU Mathieu Hursin Ivan Kodeli Jakub LuleySUTBratisla Measurement of Neutron Leakage from Aluminum Assembly MONALISE CVREZ 24 933 PROBENCH PROBENCH CIEMAT 52 000 5 000 Evaluations for specific JEFF-4 needs e4JEFF4 EPFL 432 600 21 630 Integral Data for Exhaustive Assimilation IDEA IDEA CEA 136 000 10 000 Integral Data for Exhaustive Assimilation IDEA EPFL 432 600 10 000 Processing and benchmarking PROBENCH UKAEA 66 000 3 000 Processing and benchmarking PROBENCH 39 000 5 000 va High-energy spectrum at n_TOF NEAR for validation of evaluated nuclear data with integral experiments Neutron spectra at low energies for validation of evaluated nuclear data with integral experiments Processing and benchmarking Integral Data for Exhaustive Assimilation Javier Praena Javier Praena Ivan Kodeli UMaribor Ivan Kodeli UMaribor Oscar Cabellos Raphaelle ICHOU Fr d ric Fernex Erik Andersson Sund n HINEAR UGranada 169 000 95 000 NEVA UGranada 188 000 95 000 PROBENCH IDEA 46 000 23 000 3 000 2 300 Nuclear Data Assessment on Ex-core Calculations NDEXCORE UPMadrid 18 500 3 700 REBUND REBUND IRSN 133 000 Integral Data for Exhaustive Assimilation IDEA IRSN 80 000 8 000 Integral Data for Exhaustive Assimilation (IDEA) IDEA UUppsala 75 800 7 580

5. Sensitivity analyses and nuclear data priorities SPR-III Godiva Flattop-25 Project Acronym Requested Tentative budget Submitter Institution Vicente B cares- Palacios S/U analysis of new systems and parameters SUNEW CIEMAT 52 000 10 400 Francisco Alvarez Velarde Uncertainty propagation in advanced fuel cycles UNFUEL CIEMAT 32 000 6 400 Francisco Alvarez Velarde Uncertainty propagation in practical reactor applications UNPRAC CIEMAT 82 000 12 300 Uncertainty propagation in practical reactor applications UNPRAC JSI 62 500 9 375 Ga per erovnik Uncertainty propagation in practical reactor applications UNPRAC Lydie GIOT CNRS 96 500 14 475 Uncertainty propagation in practical reactor applications Uncertainty propagation in practical reactor applications UNPRAC UNPRAC Ivan Kodeli Ivan Kodeli UKAEA UMaribor 66 000 9 900 46 000 6 900 Integral Data for Exhaustive Assimilation IDEA Oscar Cabellos UPMadrid 42 000 4 200 S/U analysis of new systems and parameters SUNEW Oscar Cabellos UPMadrid 35 000 7 000 Nuclear Data Assessment on Proton-Therapy Centers NDA-PTC Oscar Cabellos UPMadrid 27 088 24 379 Uncertainty propagation in practical reactor applications UNPRAC Oscar Cabellos UPMadrid 52 000 7 800 S/U analysis of new systems and parameter SUNEW Luca Fiorito SCK 69 000 9 000 Integral Data for Exhaustive Assimilation IDEA Pablo Romojaro SCK 71 000 7 100 Pu236 contaminant in Pu238 production for Space applications PooinSpace Pablo Romojaro SCK 104 000 93 600 AntiNeutrinoAnalysis to COnstrain Nuclear DAta ANACONDA Magali Estienne CNRS 7 958 7 163 S/U analysis of new systems and parameters SUNEW Jakub Luley SUTBratislava 39 000 7 800

6. Thank you for your attention Michal.Kostal@cvrez.cz 5