PROGRAM

SESSION G

Dosimetry and Facilities

Chairs: Camille Bélanger-champagne & Christoph Tscherne

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G-1

Characterization of a Galactic Cosmic Ray Simulator with an SOI Microdosimeter

Authors: V. Pan(1), L. Tran(1), J. Vohradsky(1), E. Pierobon(2), L. Lunati(2), T. Wagner(2), A. Gera(2), Y. Weber(2), D. Boscolo(2), M. Durante(2), A. Rosenfeld(1), C. Schuy(2)
1. University of Wollongong, Australia,
2. GSI Helmholtzzentrum für Schwerionenforschung, Germany

Presenting author: Vladimir Pan

This work involves the characterization and validation of a GCR simulator at GSI using an SOI microdosimeter. Good agreement was found between the experimentally measured spectra and the simulated spectra.

G-2

Thermal Neutron Flux Estimation in an Irradiation Facility Using a Low-Cost Computing Board

Authors: E. Atukpor(1), U. Koester(1), J. Marchal(1), S. Riabi(2), S. Fuard(1), R. Davies(1), P. Rodrigo(3)
1. Institut Laue-Langevin, France,
2. Univ. Grenoble Alpes, 38000 Grenoble, France, France,
3. Univ. Grenoble Alpes, CNRS, Grenoble INP, TIMA, 38000 Grenoble, France, France

Presenting author: Emmanuel Atukpor

A low‑cost COTS FPGA–SRAM board was evaluated as a neutron‑flux estimator. Thermal‑neutron exposures produced SRAM bit‑flip rates strongly correlated with independently measured fluxes, demonstrating a compact, practical tool for real‑time neutron‑field diagnostics during irradiation campaigns.

G-3

Bonner-Sphere Spectrometry of Neutron Spectral Fluence at RCNP WN and Impact of Sub-10 MeV Contributions on Terrestrial SER Estimation

Authors: S. Manabe(1), A. Masuda(1), T. Matsumoto(1), D. Satoh(2), S. Abe(2), Y. Watanabe(3), H. Harano(1), T. Yorita(4), N. Kobayashi(4), M. Fukuda(4), H. Kanda(4)
1. National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology (AIST), Japan,
2. Nuclear Science and Engineering Center, Japan Atomic Energy Agency, Japan,
3. Department of Physics, Kyushu University, Japan,
4. Research Center for Nuclear Physics (RCNP), Osaka University, Japan

Presenting author: Seiya Manabe

Neutron spectrum from thermal to 400 MeV was evaluated at RCNP test field, providing the first experimental validation below 1 MeV. Sub-10 MeV contributions are non-negligible, yet terrestrial SER estimates stay within ±30% overall.

G-4

Towards Fiber-based Beam Instrumentation for the GANIL Neutron For Science (NFS) facility

Authors: F. Fricano(1), J. Vidalot(1), X. Ledoux(2), J. Foy(2), D. Lambert(1), E. Dessay(2), P. Paillet(1), S. Girard(3)
1. CEA, France,
2. Ganil, France,
3. Université de Saint Etienne, France

Presenting author: Fiammetta Fricano

We evaluate the potential of the fiber-based dosimetry for beam monitoring at the Neutron for Science (NFS) facility at GANIL producing neutrons with energies up to 40 MeV.

G-5

Radioluminescent Silica-based Optical Fibers for Low-Dose-Rate Space Dosimetry

Authors: S. Acid(1), M. Aubry(2), A. Morana(3), F. Fricano(4), Y. Padie(2), J. Seguret(2), N. Kerboub(1), J. Guillermin(2), J. Mekki(1), Y. Ouerdane(3), M. Darnon(3), H. El hamzaoui(5), B. Capoen(5), M. Bouazaoui(5), A. Boukenter(3), S. Girard(3)
1. CNES, France, 2. TRAD, France, 3. Laboratory Hubert Curien, France, 4. CEA, France, 5. PhLAM laboratory, France

Presenting author: Selyan Acid

We evaluated the performances of different radioluminescent probes under gamma-rays. During the tests, the dosimeters monitor doses as low as 18µGy (64mGy/h) and have the potential to measure lower dose and dose-rates with space requirements.

POSTERS

PG-1

Optimizing Ce-doped Fiber-based Dosimetry through H2-Loading of Transport Fibers

Authors: L. Breccia(1), F. Fricano(1), D. Lambert(1), A. Morana(2), H. Boiron(3), A. Boukenter(2), H. El hamzaoui(4), Y. Ouerdane(2), B. Capoen(4), B. Mohamed(4), P. Paillet(5), S. Girard(2)
1. CEA/CESTA, France,
2. Université de Saint Etienne, France,
3. Exail, France,
4. University of Lille, France,
5. CEA, France

Presenting author: Letizia Breccia

We investigate how the H2 loading of the pure silica core fibers used as transport fibers for radioluminescence (RIL)- based dosimeters, allows reducing their radiation-induced attenuation and parasitic RIL and then improve sensor performance.

PG-2

Optical Fiber-based Dose Monitor for Very High Dose Rate X-ray Facilities

Authors: J. Vidalot(1), M. Coville(1), R. Rosch(1), M. Roche(1), D. Denis-petit(1), C. Varignon(1), I. Lantuéjoul(1), A. Morana(2), S. Girard(3), P. Paillet(1)
1. CEA, France,
2. Laboratory Hubert Curien, France,
3. Université de Saint Etienne, France

Presenting author: Jeoffray Vidalot

We investigate how the radiation induced attenuation in Ge-doped multimode optical fiber can be used to monitor radiation doses up to 280 Gy(SiO2) under very high dose rate conditions using MeV high intensity X-ray generator.

PG-3

Benchmarking Heavy‑ions Induced SEE on a COTS DC/‍DC Buck Converter at VHE Against Conventional Ion Irradiation Source

Authors: C. Altomare(1), G. Cucinella(1), M. Perelli(1), G. Longo(1), S. Talamo(1), G. Fontanella(2), M. Abdullahi(2), A. Portaluri(3), R. Mancini(4), S. Francola(3)
1. imt s.r.l., Italy,
2. Gran Sasso Science Institute, Italy,
3. Thales Alenia Space, Italy,
4. Thales Alenia Space Italy, Italy

Presenting author: Corrado Altomare

This work compares SEE responses in a COTS buck converter tested at HEARTS@CERN and GANIL facilities, supported by GEANT4 simulations assessing energy deposition, LET dependencies, and beam to device interaction to check for irradiations consistency.

PG-4

Characterization of a novel airborne secondary cosmic-ray detector AMORE at the Paul Scherrer Institute PSI

Authors: G. Auriemma(1), J. Tabbett(1), W. Hajdas(1), M. Gantert(1), M. Müller(1), M. Hildebrandt(1)
1. PSI-Paul Scherrer Institut, Switzerland

Presenting author: Gabriele Auriemma

A new compact airborne radiation monitor has been developed and characterized using proton irradiation and neutron source exposure at PSI. The instrument is intended to be deployed on commercial aircraft and stratospheric balloons.

PG-5

Feasibility Study of Soft Error Test Using Compact Neutron Sources Based on Wide-Energy SEU Cross Section Measurements

Authors: Y. Sunada(1), R. Kiuchi(1), H. Iwashita(1), Y. Hiroshima(1), K. Ishiguro(2), H. Sato(2), T. Kamiyama(2), M. Furusaka(2), Y. Kiyanagi(2)
1. NTT, Inc., Japan,
2. Graduate School of Engineering, Hokkaido University, Japan

Presenting author: Yuji Sunada

Feasibility of compact accelerator-driven neutron sources for SEU test was evaluated using continuous SEU cross sections from 10 meV to 100 MeV. Test accuracies were derived from the cross sections and neutron energy spectra.

PG-6

Event-to-Event Variability under Medium- and Very-High-Energy Heavy-Ion Irradiation

Authors: M. Bagatin(1), A. Waets(2), R. Garcia(2), S. Gerardin(3)
1. University of Padova, Italy, 2. CERN, Switzerland, 3. DEI – Padova University, Italy

Presenting author: Marta Bagatin

This work examines event-to-event variability in energy deposition for very-high-energy ions compared with lower-energy ions with similar LET, using Geant4 simulations. Lower-energy ions exhibit greater fluctuations and non-Gaussian tails, affecting single-event-effect interpretation in nanoscale devices.

PG-7

Temperature Dependence of Radiation-Induced Attenuation in cladding-depressed Ce/Gd co-doped optical fiber

Authors: C. Sadik(1), A. Morana(2), Y. Ouerdane(2), H. El hamzaoui(1), M. Bouet(1), V. Andrieux(1), A. Cassez(1), S. Girard(2), A. Boukenter(2), M. Bouazaoui(1), B. Capoen(1)
1. Université de Lille, France,
2. Université de Saint Etienne, France

Presenting author: Charbel Sadik

Optical fibered systems are attracting significant attention in radiation environments. The radiation-induced attenuation (RIA) of a depressed-cladding Ce/Gd co-doped core fiber was measured at different temperatures. The temperature effect is observed and the RIA is compared with similar fibers.

PG-8

Evaluation of TID-SEE Interaction in an SRAM-Based Dosimeter Under Proton Irradiation

Authors: M. Jo(1)
1. QRT, Korea, Republic of

Presenting author: Charbel Sadik

This work evaluates TID-SEE interaction in SRAM-based dosimeter under proton irradiation. Results indicate limited TID impact on SEU response, suggesting instead that displacement damage plays a dominant role in SEE sensitivity in the tested device.

PG-9

Impact of Bias Conditions on the Total Ionizing Dose Response of SOI PMOS Radiation Dosimeter On-Chip

Authors: J. Li(1), F. Liu(1), J. Li(1), C. Zhang(1)
1. Institute of Microelectronics of the Chinese Academy of Sciences, China

Presenting author: Jiaji Li

The back-gate transistors based on SOI wafers were designed and their TID response was measured under different biases for on-chip dosimeter applications. A maximum sensitivity of 131 mV/krad(Si) is achieved.

PG-10

Cost-Effective Multilayer Radiators for Soft X-Ray Transition Radiation Production: Experimental Validation at the ELSA Beamline

Authors: A. Gupta(1), S. Rajaram(1), C. Li(1), R. Pius(1), W. Pua(1), P. Bechtle(2), F. Bernlochner(2), C. Bespin(2), K. Desch(2), J. Dingfelder(2), F. Frommberger(2), S. Gürbüz(2), S. Laudage(2), S. Linden(2), R. Partzsch(2), D. Proft(2), K. Schmieden(2), J. Szela(1)
1. Centennial High School, USA,
2. Universität Bonn, Germany

Presenting author: Avin Gupta

We experimentally validated low-cost multilayer radiators for transition radiation emission under a 2.5 GeV electron beam at ELSA. Measured energy and angular distributions align with theoretical predictions, demonstrating the production of detectable photon yield.

PG-11

Binary Optical Encoding for Logarithmic Scaling of Sensor Count in Scintillation Imaging

Authors: T. Xia(1), A. Ziegler(1), L. Perez moran(1), E. Parasol(1)
1. Dawson College, Canada

Presenting author: Evan Parasol

We achieve logarithmic scaling of silicon photomultiplier (SiPM) sensor count with respect to pixel detector imaging resolution by segmenting a polyvinyl toluene (PVT) scintillator detection region into optically isolated regions with binary-encoded readout.