Dr
Pete Truscott
(Kallisto Consultancy Ltd)
10/04/2017, 09:30
Mr
keith ryden
(University of Surrey Space Centre)
10/04/2017, 09:40
Prof.
Zhenlong Zhang
(National Space Science Center, CAS)
10/04/2017, 11:50
Dr
Grigory Protopopov
(Branch of Joint-Stock Company United Rocket and Space Corporation - Institute Of Space Device Engineering)
10/04/2017, 13:40
The special degraders are used to achieve required heavy ion’s characteristics at the only in Russia SEE test facilities based on high-energy ion sources. Heavy ion’s characteristics (an energy, a linear energy transfer, a range) at electronic components’ sensitive volume are calculated using different software, including GEANT4. Examples of GEANT4 and analogue software calculations results...
Dr
Robert Reed
(ISDE/Vanderbilt University)
10/04/2017, 14:05
MRED (Monte Carlo Radiative Energy Deposition) is Vanderbilt University’s Geant4 application for simulating radiation events in semiconductors. Geant4 is comprised of the best available computational physics models for the transport of radiation through matter. Geant4 is a library of c++ routines for describing radiation interaction with matter assembled by a large and diverse international...
Ricardo Peterson
(PhD Student, Department of Electrical Engineering)
10/04/2017, 14:30
Device reliability is critical to the integrity of electronics systems used in the aerospace industry (e.g. satellites, cubesats, spacecrafts, etc.). In particular, R&D in device reliability is indispensable for electronics operating in harsh environments, such as in Low Earth Orbit (LEO), where particle radiation is prevalent. In particular, radiation-induced degradation at...
Dr
Mauro Tacconi
(INFN and University Milano Bicocca)
10/04/2017, 14:55
Single scattering classes G4eSingleCoulombScatteringModel and G4IonCoulombScatteringModel, included in Geant4, implement the screened-relativistic treatment for protons, ions and electrons incident on nuclei. This treatment accounts for effects due to the screened Coulomb fields, finite sizes and rest masses of nuclei. For electrons scattering on nuclei a complete treatment of Mott...
Dr
Simone Lotti
(INAF-IAPS)
10/04/2017, 15:40
AREMBES (Athena Radiation Environment Models and x-ray Background Effects Simulator) is an ESA contract that foresees the development of a software simulator based on Geant4, capable of addressing all the background issues that the ATHENA mission will experience during its lifetime, together with the development of improved environment models for the L2 halo orbit radiation. The project, that...
Dr
Gang Li
(IHEP,CAS), Dr
Juan Zhang
(IHEP,CAS)
10/04/2017, 16:05
To estimate the influence of radiation environment, performance of critical detectors and radiation damage, event by event simulation methods are necessary for space-based telescope development. In this presentation an outline of space-based mission in IHEP is given, which emphasize on the Geant4 analysis performed in support of the performance estimate, detector responses, shielding optimize...
Dr
Valentina Fioretti
(INAF/IASF Bologna)
10/04/2017, 16:30
The accuracy of Monte Carlo simulations in reproducing the scientific performance of space telescopes (e.g. angular resolution) is mandatory for a correct design of the mission. This is particularly the case of gamma-ray Compton and pair production trackers, where the reconstruction of the primary photon energy and direction requires the full physical understanding of the particle tracks....
Dr
DONGHUA ZHAO
(NAOC, CAS,CHINA)
10/04/2017, 16:55
Einstein Probe (EP) is a proposed small scientific satellite dedicated to time-domain astrophysics working in the soft X-ray band. It will discover transients and monitor variable objects in 0.5-4 keV, for which it will employ a very large instantaneous field-of-view (60o × 60o). Gravitational Waves will be its one of the important objectives. EP has two kinds of payloads including a...
Mr
Pablo Portillo
(Instituto Nacional de Técnica Aeroespacial)
10/04/2017, 17:20
The modelling of X-ray micropore optics have raised a considerable interest, in the framework of some recent and future missions like BepiColombo or the next X-ray observatory ATHENA, in order to not only help during design phases but also provide a precise knowledge of the low-energy particle focusing on the focal plane detectors.
As a first step, we have fully simulated the BepiColombo...
Dr
Eamonn Daly
(European Space Agency)
11/04/2017, 09:30
Mr
Petteri Nieminen
(ESA)
11/04/2017, 10:00
Dr
Makoto ASAI
(SLAC)
11/04/2017, 10:20
Prof.
Vladimir Ivantchenko
(CERN, G4AI)
11/04/2017, 11:00
Dr
Dennis Wright
(SLAC)
11/04/2017, 11:25
Dr
John Allison
(Geant4 Associates International Ltd and Manchester University)
11/04/2017, 11:50
Dr
Paolo Dondero
(SWHARD SRL)
11/04/2017, 13:40
During the passed year a detailed Geant4 physics validation review and new verification studies were performed within the ESA AREMBES project. Several electromagnetic and hadronic models were addressed, focusing in particular on the space related physics. The low energy proton and electron scattering was considered, comparing the condensed history algorithms with respect to the single...
Dr
Denis Bernard
(LLR, CNRS/IN2P3)
11/04/2017, 14:05
Past and current pair gamma-ray space telescopes use tungsten converters interleaved with tracker layers, for which the contribution of multiple scattering of the pair electrons in the tungsten dominates the single-photon angular resolution (example the Fermi LAT) and polarimetry with pairs has never been performed by a space polarimeter.
All-silicon telescopes could provide an angular...
Ms
Sarah Hanschke
(IAAT / University of Tuebingen)
11/04/2017, 14:30
Orbital soft protons with energies from tens of keV to a few MeV can seriously degrade solid-state detectors in X-ray observatories. In order to improve and validate Geant4 simulations of soft proton grazing angle scattering in Wolter-type optics and to get a handle on the physical processes at work, measurements with eROSITA gold coated mirror samples have been performed at the accelerator...
Dr
Valentina Fioretti
(INAF/IASF Bologna)
11/04/2017, 14:55
Low energy protons (< 300 keV) can enter the field of view of X-ray space telescopes, scatter at small incident angles, and deposit energy on the detector. This phenomenon can cause intense background flares at the focal plane decreasing the mission observing time (e.g. the XMM-Newton mission) or in the most extreme cases, damaging the X-ray detector. Among the many physical processes that...
Dr
Neophytos Messios
(BIRA-IASB)
11/04/2017, 15:40
For some time now, various Geant4 applications have been employed for the planning of space and planetary exploration missions and the significance of such tools has been also reflected in the evolution of the web-based ESA Space Environment Information System (SPENVIS, www.spenvis.oma.be). SPENVIS has been providing interfaces to various Geant4-based tools that can be used for a number of...
Dr
Fan Lei
(RadMod Research, On behalf of the CIRSOS team)
11/04/2017, 16:05
CIRSOS is an integrated modelling environment (IME) for radiation effects analysis in space mission developments. It provides a complete set of models and tools required for a mission radiation effects analysis at different phases of its developments from conception to operation. It was initially developed in support of the ESA Cosmic Version programme, the JUICE mission in particular. It will...
Mr
Oskar Baumgartner
(Global TCAD Solutions GmbH)
11/04/2017, 16:55
Modern electronic systems can be disrupted or damaged by high energy particles. Radiation effects have become a critical reliability issue in nanometer-scaled logic devices, particularly for aviation applications or space environments, and now increasingly for safety critical ground-level applications such as transportation and medicine. In the industrial development process of such devices...
Dr
Paolo Dondero
(SWHARD SRL)
12/04/2017, 09:30
AREMBES (ATHENA Radiation Environment Models and X-Ray Background Effects Simulators) is the new ESA software simulator designed for the ATHENA mission. It is created within the CIRSOS simulation framework to fully address the radiation background issues encountered by Athena and to be adaptable to other future X-ray missions.
Within this framework the correct and precise simulation of all...
Mr
Benjamin RUARD
(Artenum)
12/04/2017, 09:55
The increasing complexity of future commercial missions and space environments of new scientific missions impact more aggressively and deeply the design of next generation space systems, payloads as well as the platforms. The use of COTS components and the mass optimization require a finer modeling of the impact of space environment on spacecraft, especially regarding radiation and internal...
Dr
Simone Lotti
(INAF-IAPS)
12/04/2017, 10:20
ATHENA (Advanced Telescope for High Energy Astrophysics) is the second large mission in ESA Cosmic Vision 2015-2025, with a launch foreseen in 2028 towards the L2 orbit. The mission addresses the science theme “The Hot and Energetic Universe”, by coupling a high-performance X-ray Telescope with two complementary focal-plane instruments. One of these, the X-ray Integral Field Unit (X-IFU) is a...
Mr
Pierre Sarrailh
(ONERA - The French Aerospace Lab)
12/04/2017, 11:05
Despite the shielding of the spacecraft payloads, the internal charging events are resulting from the high energy electrons accumulation inside thick dielectrics. On long time scales, this can create IESD (internal electrostatic discharges). This internal charging phenomenon, potentially leading to part or system failure, is well known to spacecraft designers and requires efficient shielding...
Mr
Pierre Pourrouquet
(TRAD)
12/04/2017, 11:30
Proton beam irradiation on a cryostat can induce device activation that causes radio protection issues and cryostat transportation delay. The aim of this study, funded by CNES, was to predict the behaviour of a cryostat during and after irradiation using a chain of software tools:
- FASTRAD for cryostat modelling and import to GEANT4,
- GEANT4 for dose and transmitted spectra calculation...
Dr
Mark Looper
(The Aerospace Corporation)
12/04/2017, 11:55
Geant4 is a vital tool for understanding and calibrating the response of space-borne radiation sensors at The Aerospace Corporation, and for understanding the space radiation environment that they measure. In the year and a half since the last Geant4 Space Users’ Workshop, we have used the code to continue to refine our understanding of the response, both foreground and background, of sensors...
Mr
Kang Wang
12/04/2017, 12:45
