PROGRAM

SESSION I

Radiation Environments

Chairs: Cesar Boatella Polo & Stuart George

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I-1

Deriving Proton Pitch Angle Distributions Using Sentinel 6 – MF NGRM Observations

Authors: E. Christodoulou(1), H. Evans(2), M. Vuolo(2), G. Santin(2), I. Daglis(1), P. Nieminen(2)
1. National and Kapodistrian University of Athens, Greece,
2. ESA, Netherlands

Presenting author: Evangelia Christodoulou

We develop an angular response function for NGRM, using GRAS/GEANT4. We then retrieve the anisotropy indices of the parametrized pitch angle distributions and convert the Sentinel-6 Michael Freilich 9 MeV proton measurements to omnidirectional fluxes.

I-2

Characterisation of the Radiation Field in the LHC IR2 tunnel using Timepix Radiation Monitors

Authors: D. Prelipcean(1), B. Bergmann(2), P. Burian (3), P. Farkas (4), R. Garcia (1), G. Lerner (1), C. Lesmes Ramirez (5), O. Ruzicka (6), P. Smolyanskiy (7), D. Sodestrom (1)
1. CERN, Switzerland
2. Insitute of Experimental and Applied Physics, Czech Technical University in Prague, Czech Republic
3. Faculty of Electrical Engineering, University of West Bohemia, Czech Republic
4. Faculty of Electrical Engineering, University of West Bohemia, Czech Republic
5. Insitute of Experimental and Applied Physics, Czech Technical University in Pragu, Czech Republic
6. Faculty of Electrical Engineering, University of West Bohemia, Czech Republic
7. Institute of Experimental and Applied Physics, Czech Republic

Presenting author: Stefan Gohl

A Trident of Timepix3 Radiation Monitors was deployed at the Large Hadron Collider in the tunnel of Interaction Region 2, to observe or exclude high LET particles in the accelerator environment during ion operation.

I-3

Single Event Effect Measurements in an Electron-Induced Photoneutron Field Representative of the FCC-ee Accelerator Environment

Authors: G. Lerner(1), M. Cecchetto(1), D. Soderstrom(1), D. Prelipcean(1), B. Humann(1), A. Frasca(1), D. Calzolari(1), D. Lucsanyi(1), B. Tissot Ferraz(1), R. Garcia Alia(1), A. Lechner(1), A. Lechner(1), W. Farabolini(1)
1. CERN, Switzerland

Presenting author: Daniel Prelipcean

Single Event Effect measurements are performed in an electron-beam-generated photoneutron field representative of the environment produced by synchrotron radiation at the FCC-ee. Results confirm variability in SEE responses, informing radiation hardness assurance strategies for FCC-ee electronics.

POSTERS

PI-1

Development of a High-Sensitivity High-Pressure Ionization Chamber for Environmental Radiation Monitoring

Authors: L. Jinwon(1), J. Shin(1), H. Baek(1), S. Kim(1), M. Park(1), S. Park(1), S. Jeong(1), J. Heo(1), S. Choi(1)
1. Neosiskorea, Korea, Republic of

Presenting author:

A high-sensitivity HPIC demonstrated linear radiation response, stable plateau characteristics, and reliable directional response, confirming its technical feasibility and supporting further development toward standardized validation and long-term field deployment.

PI-2

Measurement of Galactic Cosmic Ray Composition in Low Earth Orbit with the SATRAM Timepix Detector

Authors: S. Gohl(1), B. Bergmann(2)
1. IEAP, CTU in Prague, Czech Republic
2. Insitute of Experimental and Applied Physics, Czech Technical University in Prague, Czech Republic

Presenting author:

Launched in 2013, SATRAM is a single-layer Timepix radiation monitor on Proba‑V measuring Galactic Cosmic Rays in low‑background orbit regions. Stopping‑power spectra at high incident angles resolve ions up to Z=11 via Bethe–Bloch analysis formally.

PI-3

Validation of Proton Energy Loss in Regolith Simulants Using PSI-PIF Beam Tests and MRADSIM Simulations

Authors: Z. Güzel(1), M. Waqas(1), A. Alpat(2), T. Wusimanjiang(1), C. Okan(3), D. Dolek(1), E. Alpat(1), M. Casu(4), R. Orrù(4), G. Cao(4), W. Hajdas(5), R. Marcinkowski(6)
1. Beamide S.r.l., Italy,
2. INFN, Beamide S.r.l., Italy,
3. Beamide S.r.l., Turkey,
4. University of Cagliari, Italy,
5. Paul Scherrer Institute, SE2S, Switzerland,
6. SE2S, Switzerland

Presenting author: Zehra Güzel

PSI-PIF proton-beam measurements were benchmarked against GEANT4 11.3.0-based MRADSIM simulations for MGS-1 and JEZ-1 Martian regolith simulants. Calibrated LYSO responses validated proton energies, while chi-square analysis identified the best-converging hadronic model for Martian shielding studies.

PI-4

Nuclear Spallation Efficiency: Target Material Optimization

Authors: B. Buluttekin(1), D. Karaoğluol(1), E. Kırdemir(1), M. Musluoğlu(1), Y. Başman(1), Z. Çabukel(1), E. Özaktaş(1)
1. BL4S(2025 Winner), Turkey

Presenting author: Ela Nur Kırdemir

We study nuclear spallation using beams at 1–10 GeV directed onto tungsten & copper targets of varying lengths. Results show where spallation predominantly occurs and how target geometry, beam polarity, energy and different particles affect spallation.

PI-5

Solar Energetic Particle Measurements: Improving Radiation Monitor Response Functions with Pulse Shape Analysis

Authors: Q. Gibaru(1), P. Caron(1), S. Bourdarie(1)
1. ONERA, France

Presenting author: Quentin Gibaru

Pulse shape analysis is used to improve the response of a SSD space radiation monitor for the measurement of solar energetic particles, by removing cross-contamination between particles of different Z depositing the same energy.

PI-6

Energetic Electrons Measure with MeDDEA Solar Flare Hard X-ray Spectrometer on Board the PADRE CubeSat along its Polar Orbit

Authors: D. Renaud(1), O. Limousin(1), A. Claret(1), G. Marc(1), S. Christe(2), N. Godbole(2), K. Gregory(2), N. Saghafi(2), S. Krucker(3), M. Stiefel(3), A. Caspi(4), C. Moeckel(5), J. Martinez Oliveros(5), S. Perez-piel(5), E. Warren(5), C. Smith(5), A. Stratton(5)
1. CEA Saclay, France,
2. NASA, USA,
3. FHNW, Switzerland,
4. SWRI, USA,
5. UCB/SSL, USA

Presenting author: Diana Renaud

PADRE CubeSat studies intense solar flares directivity. Its continuous operation enables unique characterization of space radiation environment, using indirect measurements to reconstruct electron spectra and characterize orbital radiation flux in polar orbit.

PI-7

In-Flight Validation of the Scalable Radiation Monitor on the International Space Station

Authors: M. Patecki(1), M. Marek(1), K. Bresler-przybyl(2), K. Sielewicz(1), M. Mrozowski(1)
1. SigmaLabs, Poland,
2. Warsaw University of Technology and SigmaLabs, Poland

Presenting author: Marcin Patecki

The RadMon-on-ISS experiment validated the Scalable Radiation Monitor as a compact technology demonstrator for in-flight radiation awareness, showing stable long-term operation onboard the ISS and delivering meaningful measurements of both cumulative dose and single-event activity.

PI-8

Radiation Field Monitoring in LEO Using a Timepix-based X-ray/Gamma-ray Imager on VZLUSAT-2

Authors: K. Sýkorová(1), D. Hladik(1), D. Doubravova(1), C. Granja(1), J. Jakubek(1), T. Baca(2), V. Marsikova(3), Z. Matej(3), V. Daniel(4), A. Inneman(3)
1. Advacam s.r.o., Czech Republic,
2. Czech Technical University, Czech Republic,
3. Rigaku Innovative Technologies Europe s.r.o., Czech Republic,
4. VZLU AEROSPACE a.s., Czech Republic

Presenting author: Kateřina Sýkorová

X-ray/Gamma-ray Imager onboard VZLUSAT-2 enabled long-term radiation monitoring in LEO, resolving spatial, temporal, and particle-type variations. Radiation maps and regional particle composition analysis were used to characterise the radiation environment.

PI-9

MRADSIM-SPACE Update: Integration of GCR and Geomagnetic Shielding Forecasting

Authors: D. Pelosi(1), A. Alpat(2), M. Orcinha(2), Z. Guzel(3), M. Waqas(3), T. Wisumanjiang(3)
1. University of Perugia and INFN Sezione di Perugia, Italy,
2. INFN Sezione di Perugia, Italy,
3. BEAMIDE SRL, Italy

Presenting author: David Pelosi

We present an extension of MRADSIM-SPACE with internally integrated Galactic cosmic-ray flux forecasting and geomagnetic shielding, enabling the computation of dosimetric quantities for space mission scenarios. The framework supports time-dependent analyses across multiple nuclei species.

PI-10

Shields-1 in Polar Low Earth Orbit Observes Most Energetic Solar Particle Event since 2005

Authors: D. Thomsen(1), D. Voloshin(2), J. Cutler(2), J. Minow(3)
1. NASA Langley Research Center, USA,
2. University of Michigan, USA,
3. NASA, USA

Presenting author: Donald Thomsen

The Shields-1 spacecraft was operating with dosimeters in polar low earth orbit at 290 km altitude on 11 November 2025 and measuring dose from the most energetic solar particle event in 19 years.

PI-11

Stratospheric Balloon Flight Radiation Dosimetry with Timepix2 Lite Detector

Authors: O. Pavlas(1), B. Bergmann(2), M. Malich(2), P. Smolyanskiy(2), H. Cintas(2), S. Gohl(2), L. Krivanekova(3), D. Braunn(3), J. Kneißl(3), T. Döhring(3), G. Hildenbrand(3), J. Kościelniak (4), G. Spirytulski (4), W. Kajfosz(4)
1. Institute of Experimental and Applied Physics Czech Technical University in Prague, 110 00 Prague, Czech Republic and also with Faculty of Electrical Engineering, Czech Technical University in Prague, 166 27 Prague, Czech Republic, Czech Republic,
2. Institute of Experimental and Applied Physics Czech Technical University in Prague, Czech Republic,
3. TH Aschaffenburg – University of Applied Sciences, Germany,
4. AGH University of Krakow, Poland

Presenting author: Ondrej Pavlas

Two stratospheric balloon missions – ASTRABAX (34.4 km) and OURANOS (27.3 km) – used a Timepix2 Lite detector to measure TID dose rates, stopping power spectra, and particle flux profiles, consistent with the Pfotzer-Regener maximum.

PI-12

Directional Analysis of Space Radiation in LEO Using the Timepix3 Detector Onboard OneWeb JoeySat

Authors: T. Kuchař(1), C. Granja(1), J. Jakůbek(1), L. Marek(1)
1. ADVACAM, Czech Republic

Presenting author: Tobiáš Kuchař

We demonstrate that a single-layer Timepix3 detector in LEO resolves directional signatures of space radiation without a stacked telescope. Mean elevation angle mapping reveals a pronounced proton and heavy-ion enhancement over the South Atlantic Anomaly.

PI-13

Physics-based Modeling of Radiation Environment in Electric Aviation for Beamline Test Protocols

Authors: A. Sengupta(1), K. Gnerlich(1), I. Koch(1), S. Kazula(1)
1. Deutsche Zentrum für Luft- und Raumfahrt (DLR), Germany

Presenting author: Arijit Sengupta

Reliability of electric aircraft systems is addressed by physics-based modeling of the aviation radiation environment, and their influence in the design of a semi-accelerated beamline testing for stochastic failures in power electronic components are discussed.

PI-14

Detection of bit-flip effects induced by ultra-short ultra-intense LWFA electron beam in SRAM module

Authors: I. Zymak(1), M. Nevrkla(1), J. Šišma(1), F. Vitha(1), S. Lorenz(1), A. Zymakova(1), C. Lazzarini(1), R. Versaci(2), G. Grittani(1)
1. ELI ERIC ELI Beamlines, Czech Republic,
2. ELI ERIC, Czech Republic

Presenting author: Illia Zymak

Bit flip effects induced by ultrashort GeV-range LWFA electron beams and reference continuous X-ray radiation are observed in conventional static memory modules, making LPA a candidate for R2E and proxy SEE tests of electronics.