Name: 2nd Fusion Neutronics Meeting 2026
Start: 2026-06-08T09:00:00+02:00
End: 2026-06-12T19:30:00+02:00
Location: Karlsruhe Institute of Technology, Campus north

2nd Fusion Neutronics Meeting 2026

from Monday, 8 June 2026 (09:00) to Friday, 12 June 2026 (19:30)

Monday, 8 June 2026

09:00 OpenMC Workshop: OpenMC code presentation and learning course
OpenMC code presentation and learning course
09:00 - 10:30
Room: FTU

10:30 Coffee Break
Coffee Break
10:30 - 11:00
Room: FTU

11:00 OpenMC Workshop: OpenMC Users' Feedback and Discussion
OpenMC Users' Feedback and Discussion
11:00 - 12:00
Room: FTU

12:00 Lunch for the OpenMC Workshop participants
Lunch for the OpenMC Workshop participants
12:00 - 13:00

13:00 Welcome

13:00 - 13:30
Room: FTU
13:30 Invited Session
13:30 - 14:30
Room: FTU
Contributions

13:30 Fusion Neutronics: Highlights from Fifty Years of Development - Ulrich Fischer (Retired, ex-KIT)

14:00 Status of ITER Neutronics - G. Náfrádi
14:30 Fusion Reactor Design and Safety
14:30 - 15:30
Room: FTU
Contributions

14:30 The latest release of ITER Tokamak model: E-lite_R250630 - Aljaz Kolsek (Fusion for Energy (F4E))

14:50 Best Estimate ITER Mode-0 Radiation Maps - Gabriel Pedroche (UNED)

15:10 Best Estimate ITER Full Model for radiation safety demonstration - Pol Guijosa (UNED)
15:30 Coffee Break
Coffee Break
15:30 - 16:00
Room: FTU
16:00 Overviews and Neutronics Strategies
16:00 - 17:00
Room: FTU
Contributions

16:00 Overview of the UKAEA Neutronics Research Programme - Alex Valentine (UKAEA)

16:20 Empowering Neutronics Fusion Development and Excellence: F4E’s Approach to Knowledge, Open-Source Tools, and Industry Collaboration - Marco Fabbri (Fusion For Energy)

16:40 Overview of the neutronics studies for the Divertor Tokamak Test facility - Flammini Davide (ENEA)
17:00 Poster Session
17:00 - 18:00
Room: FTU
Contributions

17:00 OPERA: Advanced Radiation Transport Solution with CAD Integration and Hybrid Methodologies - Jean-Christophe Trama (CEA Paris-Saclay)

17:00 Radioisotope Production in the Volumetric Neutron Source Tokamak - Christopher Ehrich (Forschungs-Neutronenquelle Heinz Maier- Leibnitz (FRM II) Technische Universität München)

17:00 MCNP Simulation of gamma background in the ITER Radial Gamma Ray Spectrometer - Stefano Colombi (University of Milano-Bicocca)

17:00 Recent Developments in Fusion Neutronics Capabilities of the Reactor Monte Carlo code RMC - Kok Yue Chan (Department of Engineering Physics, Tsinghua University)

17:00 Neutronic analyses for the shielding design of the DTT Neutral Beam Injector Transmission Line - Samuele Castegnaro (ENEA)

17:00 W7-X neutronics simulations for new neutron diagnostics with application to fast-ion confinement - Riccardo Brambilla (TU Eindhoven, IPP Max Planck)

17:00 Closed-Form and Machine-Learned Surrogates for Determining Impurity Limits and Operating Windows in Low-Activation Fusion Materials - Jhovanna Garcia (ORNL)

17:00 Comparative Analysis of Activated Corrosion Products in Key Systems of a Burning Plasma Experimental Tokamak - Chen Yang (Institute of Energy, Hefei Comprehensive National Science Center)

17:00 Addition of a 1D multi-group neutron diffusion model to the fusion systems code PROCESS - Christopher Ashe (UKFE)

17:00 Neutron flux characterisation inside the inner irradiation Snail head of the KATANA facility - Domen Kotnik (Jozef Stefan Institute)

17:00 Isomeric Branching and GENDF XS in OpenMC Deplete - Perry Young

17:00 Nuclear Analysis of the High Resolution Neutron Spectrometer (HRNS): Activation and Radioactive Waste Assessment - Anna Wójcik-Gargula (Institute of Nuclear Physics Polish Academy of Sciences)

17:00 AI-based Program for Nuclear Design and Safety Evaluation - TopMC - Shanqi Chen (1)SuperSafety Science & Technology Co., Ltd., Hefei 230088, China; 2)International Academy of Neutron Science, Chongqing, 401331, China)

17:00 14-MeV Neutron Irradiation Experiments for Fusion Applications - Dr Sudhirsinh Vala (Institute for Plasma Research)

17:00 Neutronic and Structural Optimization of a Novel Pin-Type HCPB Breeding Blanket for the DEMO LAR - Jin Hun Park (Karlsruhe Institute of Technology)

17:00 Differentiable deterministic neutronics for stellarator design - Timo Bogaarts (Eindhoven University of Technology)

17:00 Characterization of the irradiation cavity of the GENeuSIS Neutron Assembly - Marta Damiano (tor vergata university)
Tuesday, 9 June 2026
09:00 Invited Session: Invited Session
Invited Session
09:00 - 10:00
Room: FTU
Contributions

09:00 Is It Time for a Fusion-Specific Monte Carlo Code? - Jonathan Shimwell (Proxima fusion)

09:30 FERMI: Fusion Energy Reactor Models Integrator - Vittorio Badalassi (ORNL)
10:00 Fusion Reactor Design and Safety
10:00 - 11:00
Room: FTU
Contributions

10:00 An overview of STEP Breeder Blanket nuclear analysis using OpenMC - Henry Marden (UK Atomic Energy Authority)

10:20 Parametric Multiphysics Workflow for Evaluating Tritium Breeder Blanket Performance - Alexandre Sureda Croguennoc (IDOM)

10:40 Neutronics Analysis of Ceramic Breeder blankets for the Infinity 2 Stellarator - Jonathan Naish (Type One Energy)
11:00 Coffee Break
Coffee Break
11:00 - 11:30
Room: FTU
11:30 Neutron Source Facilities Design and Exploitation
11:30 - 12:30
Room: FTU
Contributions

11:30 Predictive neutron source modelling for the ITER 15MA/5.3T D-T baseline scenario - Žiga Štancar (UK Atomic Energy Authority)

11:50 Shielding Optimization for a Neutron Source Using Monte Carlo Methods - Sara Abad Jiménez (IDOM)

12:10 Evaluation of Shutdown Dose Rate at JET after the second Deuterium–Tritium Campaign - Ylenia Kogovšek Žiber (Jožef Stefan Institute (JSI))
12:30 Neutronics Tools, Nuclear Data and Workflow Integration
12:30 - 13:00
Room: FTU
Contributions

12:30 FENDL: Status and Future - Georg Schnabel (IAEA)
13:00 Lunch Time
Lunch Time
13:00 - 14:00
14:00 Neutronics Tools, Nuclear Data and Workflow Integration
14:00 - 15:20
Room: FTU
Contributions

14:00 A Reliability-Based Framework for Prioritizing Nuclear Data Needs: Application to the Fusion Nuclear Science Facility - Enrique Miralles-Dolz (Princeton Plasma Physics Laboratory)

14:20 Latest V&V results on FENDL 3.2c and OpenMC using JADE - Davide Laghi (Fusion For Energy)

14:40 Evaluation of Nuclear Data Libraries and Simulation Methods for IFMIF-DONES Test System - Victor Lopez Ochoa (Universidad Nacional de Educación a Distancia (UNED))

15:00 Sensitivity Analysis and Uncertainty Quantification of Nuclear Data for Tritium Breeding Ratio in Fusion Reactor Blankets Based on the Differential Operator Perturbation Method - QingMing He
15:20 Coffee Break
Coffee Break
15:20 - 15:50
Room: FTU
15:50 Neutronics Tools, Nuclear Data and Workflow Integration
15:50 - 16:50
Room: FTU
Contributions

15:50 Concrete Shielding Experiment at FNG: Benchmarking MCNP Simulations using JEFF 3.3 and JEFF 4.0 nuclear data libraries - Virginie Lombardi (DIEE Department, La Sapienza University of Rome, 00186, Roma, Italy)

16:10 Overview of measurements with silicon-carbide, lithium glass and optical fibers detectors in the FNG Concrete Shielding Experiment - Andrea Colangeli (ENEA)

16:30 The ICSBEP Concrete Labyrinth Benchmark: A comparative analysis between OpenMC and MCNP - Marta Campos Fornés (ATG Science & Engineering S.L.)
Wednesday, 10 June 2026
09:00 Neutron Source Facilities Design and Exploitation
09:00 - 10:00
Room: FTU
Contributions

09:00 Status and Recent Developments of IFMIF‑DONES: Neutronics Activities - Miguel Macias (IFMIF-DONES Consortium)

09:20 Comprehensive Radiological Dose Mapping of the IFMIF-DONES Accelerator System During Operation and Shutdown - ANTONIO JESUS LOPEZ REVELLES (UNIVERSIDAD NACIONAL DE EDUCACION A DISTANCIA (UNED))

09:40 High Intensity D-T Neutron Source HINEG and Its Applications - Qi Yang (Iternational Academy of Neutron Science) Jun Gao (International Academy of Neutron Science) Wei Wang (International Academy of Neutron Science)
10:00 Fusion Reactor Design and Safety
10:00 - 10:40
Room: FTU
Contributions

10:00 Neutronics analyses of the VNS divertor and lower port - Aljaž Čufar (Jožef Stefan Institute)

10:20 Comprehensive Neutronics Analysis of Shielding Performance and Effects on Tokamak and building Structures in a Volumetric Neutron Source - Jin Hun Park (Karlsruhe Institute of Technology)
10:40 Coffee Break
Coffee Break
10:40 - 11:10
Room: FTU
11:10 Fusion Reactor Design and Safety
11:10 - 12:30
Room: FTU
Contributions

11:10 Neutronics simulations for magnetic diagnostics in DEMO - Raul Luís (Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal)

11:30 Preliminary design and assessment of a Fusion-Fission Hybrid TBM for Tokamak Devices - xilong Tong (University of Science and Technology of China)

11:50 Neutronics Activities at ENEA-Frascati: Experimental and Computational Developments - Fabio Moro (ENEA, Nuclear Department)

12:10 Study of Activated Corrosion Products supporting the ITER and fusion pilot plant reactors: from neutronics to safety analyses and experiments - Simone Noce (ENEA)
12:30 Neutronics Tools, Nuclear Data and Workflow Integration
12:30 - 13:10
Room: FTU
Contributions

12:30 Automated CAD to Neutronics Workflows with Stellarmesh - Alexander Koen (Thea Energy)

12:50 Development of parallel automatic void generation capabilities in GEOUNED conversion tool - Juan García Bueno
13:10 Lunch Time
Lunch Time
13:10 - 14:10
14:10 Neutronics Tools, Nuclear Data and Workflow Integration
14:10 - 15:10
Room: FTU
Contributions

14:10 A User‑Friendly OpenMC‑Based Workflow for CAD‑Driven Fusion Neutronics and Engineering Design - Jonathan Walg (marvel fusion)

14:30 Implementation of a Deuterium-Lithium Neutron Source in OpenMC for IFMIF-DONES Neutron Calculation tasks - Roman Afanasenko (Karlsruher Institut für Technologie (KIT))

14:50 Experimental verification and improvement of the TCV facility computational model - Mark Fortuna (University of Ljubljana; "Jožef Stefan" Institute)
15:10 Coffee Break
Coffee Break
15:10 - 15:40
Room: FTU
15:40 Invited Session
15:40 - 16:10
Room: FTU
Contributions

15:40 EUROfusion Stellarator Neutronics - Iole Palermo (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain)
16:10 Panel discussion on urgent fusion neutronics tasks for fusion energy realization. Directions for following which neutronics can accelerate the practical use of fusion energy.

16:10 - 17:40
Room: FTU

17:45 Bus transportation to Fusion Neutronics Dinner at "Brauhaus Kühler Krug"

17:45 - 18:30
Room: Brauhaus Kühler Krug

18:30 Fusion Neutronics Dinner at "Brauhaus Kühler Krug" https://brauhaus-karlsruhe.de/

18:30 - 21:30
Room: Brauhaus Kühler Krug
Thursday, 11 June 2026
09:00 Invited Session
09:00 - 10:00
Room: FTU
Contributions

09:00 A STEP on the path to commercial fusion: a nuclear analysis overview - Tim Eade (UKIFS)

09:30 Gauss Fusion Neutronics Overview - Egor Vezhlev (gauss-fusion)
10:00 Neutronics Tools, Nuclear Data and Workflow Integration
10:00 - 10:40
Room: FTU
Contributions

10:00 First application of N1S code for calculation of dose due to movement of activated DONES components - Tom Berry (UKAEA)

10:20 Adapting the D1S Methodology for High-Fluence Fusion Environments with Tungsten: application to ITER - Alberto Bittesnich (ATG Europe (F4E))
10:40 Coffee Break
Coffee Break
10:40 - 11:10
Room: FTU
11:10 Neutronics Tools, Nuclear Data and Workflow Integration
11:10 - 12:30
Room: FTU
Contributions

11:10 R2SUNED implicit stochastic uncertainty propagation scheme applied to JET - Javier Alguacil (UNED)

11:30 Recent Progress in Nuclear Response Cross-Section Research at Harbin Engineering University - Wen Yin (Harbin Engneering University)

11:50 Building programmable study platform for Activated Corrosion Products assessment - Alberto Previti (ENEA)

12:10 Time-Aware Conformal Uncertainty Quantification with Physics-Consistent Projection for Radioactivity-Related Time-Series Prediction in Fusion Blankets - Xiaokang Zhang (Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences)
12:30 Neutron Source Facilities Design and Exploitation
12:30 - 13:10
Room: FTU
Contributions

12:30 Estimation of the STUMM-DONES detector's responses using the MC method - Urszula Wiącek (Institute of Nuclear Physics Polish Academy of Sciences, Radzikowskiego 152, PL-31342 Krakow, Poland)

12:50 Assessment of irradiation modules diagnostics and capsule filling in IFMIF-DONES - Irene Álvarez Castro
13:10 Lunch Time
Lunch Time
13:10 - 14:10
14:10 Neutron Source Facilities Design and Exploitation
14:10 - 15:10
Room: FTU
Contributions

14:10 Neutron irradiation conditions in the IFMIF-DONES Test Cell and Complementary Experiments Room R160 - Arkady Serikov (Karlsruhe Institute of Technology (KIT))

14:30 Radiation Transport Analysis of Beam Loss in the LIPAc Superconducting RF Accelerator - Kohki Kumagai (QST)

14:50 Investigation of proton-induced 7Li nuclear data for fusion neutron facilities - Saerom Kwon (National Institutes for Quantum Science and Technology (QST))
15:10 Coffee Break
Coffee Break
15:10 - 15:40
Room: FTU
15:40 Neutron Source Facilities Design and Exploitation
15:40 - 16:40
Room: FTU
Contributions

15:40 Assessment of the Neutron Generator emission parameters for the in situ calibration of ITER neutron diagnostics - Aleksei Pankratenko (ITER RF DA)

16:00 The TU-Dresden Neutron Generator - Bjoern Lehnert (TU-Dresden)

16:20 Commissioning and hydrogen test of the ion source for Sorgentina-RF - Nicola Fonnesu (ENEA)
Friday, 12 June 2026
09:00 Fusion Reactor Design and Safety
09:00 - 10:40
Room: FTU
Contributions

09:00 Activation Analysis and Radiological Assessment of the ITER X-Ray Crystal Survey Spectrometer for Interspace Support Structure - Bhargav Soni (ITER-India, Institute for Plasma Research)

09:20 Comprehensive modeling of activated water radiation sources of ITER Tokamak Cooling Water System - Pablo Martínez Albertos (UNED)

09:40 From Tokamak to Research Reactor: Replicating JET Water Activation Experiment at KATANA Facility - Julijan Peric (Jozef Stefan Institute - JSI)

10:00 Evaluation of SRO mode-0 conditions and TSSI design - Alvaro Cubi (F4E)

10:20 Neutron Transport Analysis for ITER DNFM in situ Calibration in the Tokamak Environment - Egor Afanasenko (ITER RF DA)
10:40 Coffee Break
Coffee Break
10:40 - 11:10
Room: FTU
11:10 Fusion Reactor Design and Safety
11:10 - 12:30
Room: FTU
Contributions

11:10 Stellarator reactor modeling and simulation approach using a fast-meshing method for MCNP6 - Yuefeng Qiu (KIT)

11:30 Assessment of Divertor Activation Caused by 14.1 MeV Neutron Streaming through Monoblock and Inter-Module Gaps - Seonghee Hong (Korea Institute of Fusion Energy)

11:50 Radiation safety analyses of EAST tokamak for the D-T experiment campaign - Kun XU (ASIPP)

12:10 OpenMC Verification and Validation for Well Logging Applications - Bor Kos (Baker Hughes)
12:30 Closing Session

12:30 - 13:00
Room: FTU

13:00 Lunch Time
Lunch Time
13:00 - 14:00
14:00 Technical visits (Friday, June 12th, full afternoon)
14:00 - 16:00
Room: FTU
Contributions

14:00 KIT Fusion Materials Lab (FML)

14:00 KIT Research Accelerator (KARA)

14:00 KIT Tritium Laboratory (TLK)

14:00 KIT Helium Loop (HELOKA-HP)

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