| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Hall, David
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2025Investigation of electric field-induced phase transitions in unfilled tungsten bronze relaxor ceramics designed by the high entropy conceptcitations
- 2024In situ electric field-dependent structural changes in (Ba,Ca)(Zr,Ti)O 3 with varying grain sizecitations
- 2024Temperature-Dependent Ferroelectric Properties and Aging Behavior of Freeze-Cast Bismuth Ferrite-Barium Titanate Ceramicscitations
- 2024Broadband dielectric spectroscopy of Nb-doped 0.7BiFeO 3 -0.3BaTiO 3 ceramics
- 2024Temperature-Dependent Ferroelectric Properties and Aging Behavior of Freeze-Cast Bismuth Ferrite–Barium Titanate Ceramicscitations
- 2024Influence of Grain Size on Electromechanical Properties of (Ba,Ca)(Zr,Ti)O 3 : A Multiscale Analysis Using Spark Plasma Sintering and Aerosol Depositioncitations
- 2024Organic Light-Emitting Diodes Comprising an Undoped Thermally Activated Delayed Fluorescence Emissive Layer and a Thick Inorganic Perovskite Hole Transport Layer
- 2024Domain switching and shear-mode piezoelectric response induced by cross-poling in polycrystalline ferroelectricscitations
- 2023Re-entrant Relaxor Ferroelectric Behaviour in Nb-Doped BiFeO3-BaTiO3 Ceramicscitations
- 2022Residual stress and domain switching in freeze cast porous barium titanatecitations
- 2020Reducing the Athena WFI charged particle background: results from Geant4 simulationscitations
- 2018Influence of K 0.5 Bi 0.5 TiO 3 on the structure, dielectric and ferroelectric properties of (Ba,Ca)(Zr,Ti)O 3 ceramicscitations
- 2018Optimisation of functional properties in lead-free BiFeO 3 –BaTiO 3 ceramics through La 3+ substitution strategycitations
- 2017Chemical heterogeneity and approaches to its control in BiFeO 3 - BaTiO 3 lead-free ferroelectricscitations
- 2015Revisiting the blocking force test on ferroelectric ceramics using high energy x-ray diffractioncitations
- 2015The development of Zn–Ce hybrid redox flow batteries for energy storage and their continuing challengescitations
- 2014Development of EM-CCD-based X-ray detector for synchrotron applicationscitations
Places of action
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document
Reducing the Athena WFI charged particle background: results from Geant4 simulations
Abstract
One of the science goals of the Wide Field Imager (WFI) on ESA's Athena X-ray observatory is to map hot gas structures in the universe, such as clusters and groups of galaxies and the intergalactic medium. These deep observations of faint diffuse sources require low background and the best possible knowledge of that background. The WFI Background Working Group is approaching this problem from a variety of directions. Here we present analysis of Geant4 simulations of cosmic ray particles interacting with the structures aboard Athena, producing signal in the WFI. We search for phenomenological correlations between these particle tracks and detected events that would otherwise be categorized as X-rays, and explore ways to exploit these correlations to flag or reject such events in ground processing. In addition to reducing the Athena WFI instrumental background, these results are applicable to understanding the particle component in any silicon-based X-ray detector in space....