30 September 2002 Geant4 Workshop, CERN 1
ESA Geant4 Activities
ESA Space Environment & Effects Analysis Section
P. Nieminen, E. Daly, H.D.R. Evans, A. Keating, A. Mohammadzadeh, R. Nartallo, G. Santin
ESA-ESTEC
30 September 2002 Geant4 Workshop, CERN 2
ESA Space Environment & Effects Analysis Section
Sun – a large particle accelerator
30 September 2002 Geant4 Workshop, CERN 3
Solar flare electrons,protons, and heavy ions
Jovianelectrons
Solar flare neutronsand -rays
SolarX-rays
Galactic and extra-galacticcosmic rays
Induced emission
(Neutrinos)
Trapped particles
Anomalouscosmic rays
30 September 2002 Geant4 Workshop, CERN 4
ESA Space Environment & Effects Analysis Section
X-Ray Multi-mirror Mission (XMM) Study of black holes, formation of galaxies, … Length 10 m, span of solar panels 16 m Mass 3.8 tons
30 September 2002 Geant4 Workshop, CERN 5
ESA Space Environment & Effects Analysis Section
1
10
100
0 2 4 6 8 10 12 14
Scatter Angle (degrees)
Flu
x (
#/cm
2 /st/
inc.
p+
)
Columbia: 1.3 MeV, 1.576deg G4: 1.3 MeV, 1.576deg
RGS Acceptance Range
p
6Geant4 Workshop, CERN30 September 2002
ESA Space Environment & Effects Analysis Section
Standard Radiation
Environment Monitor (SREM)
7Geant4 Workshop, CERN30 September 2002
ESA Space Environment & Effects Analysis Section
Standard Radiation
Environment Monitor (SREM)
8Geant4 Workshop, CERN30 September 2002
ESA Space Environment & Effects Analysis Section
Standard Radiation
Environment Monitor (SREM)
30 September 2002 Geant4 Workshop, CERN 9
SREM on PROBA: protons and electrons
ESA Space Environment & Effects Analysis Section
SREM
South Atlantic Anomaly (SAA)
“Polar horns”
30 September 2002 Geant4 Workshop, CERN 10
SREM data from solar event of 26 December 2001
ESA Space Environment & Effects Analysis Section
30 September 2002 Geant4 Workshop, CERN 11
ESA Space Environment & Effects Analysis Section
MULASSIS: WWW tool for shielding calculations
Particle Fleunce after 20 mm Aluminium
1.E-02
1.E-01
1.E+00
1.E+01
1.E+02
1.E+03
1.E+04
1.E+05
1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06
Energy (keV)
Pa
rtic
le/c
m2/k
eV
Proton
Neutron
Electron
Gamma
Incident proton
PHS in the Si detector
1.E-08
1.E-07
1.E-06
1.E-05
1.E-04
1.E-03
1.E-02
1.E-01
1.E+00
1.E+01 1.E+02 1.E+03 1.E+04 1.E+05
Energy (keV)
Co
un
ts/k
eV
/in
cid
en
t p
roto
n
5 mm Al
1 mm Al
20 mm Al
30 September 2002 Geant4 Workshop, CERN 12
ESA Space Environment & Effects Analysis Section
MULASSIS: WWW tool for shielding calculationsNIEL Dose per Year
1.E+02
1.E+03
1.E+04
1.E+05
1.E+06
1.E+07
1.E+08
0 10 20 30 40 50
Aluminium Shield Thickness (mm)
NIE
L D
os
e (
Me
Vc
m2 /g (
Si)
)
Total
Proton
Neutron
Electron
Doses in Si After Al Shield
5
15
25
35
45
55
65
0 5 10 15 20 25 30 35 40 45 50
Thickness (mm)
Do
se
(R
ad
(Si)
/Ye
ar)
ShieldDose-2
MULASSIS
30 September 2002 Geant4 Workshop, CERN 13
A.Keating1, A.Mohammadzadeh1, B.Nickson1, A.Jaksic2 , W. Hajdas3
1 ESA/ESTEC/TOS-QCA, Postbus 299 - NL 2200 AG Noordwijk, The Netherlands.2 NMRC, University College Cork, Lee Maltings, Prospect Row, Cork, Ireland.
3 PSI, Paul Scherrer Institut, CH-5232 Villigen, Switzerland
Modelling packaging effects on proton irradiation responseModelling packaging effects on proton irradiation responseof NMRC RadFETsof NMRC RadFETs
Metallis
ation
Drain
& so
urce
Field Oxide
Radfet #2
Radfet #4
Radfet #1#3
S300/50G300/50 D300/50
D690/15
DG300/50
G690/15
S690/15
DG690/15
Bulk
Bulk
Diode
Geometry description
30 September 2002 Geant4 Workshop, CERN 14
• Investigating Secondary Particles and Package Effect
• Simulated Response to Proton Irradiation
Main results:
30 September 2002 Geant4 Workshop, CERN 15
ESA Space Environment & Effects Analysis Section
ESA Columbus module on ISS
30 September 2002 Geant4 Workshop, CERN 16
ESA Space Environment & Effects Analysis Section
DESIRE (Dose Estimation by Simulation of the
ISS Radiation Environment): http://www.particle.kth.se/desire/
Prediction of the ambient energetic particle environment (SPENVIS & additional models)
Construction of COLUMBUS geometry Radiation transport, including secondary
particle production, through the geometry.
Geant4, HZETRN, and SHIELD inter-comparison.
Calculation of astronaut radiation doses Connection to the INTAS-00-629
activity
Neutrons
30 September 2002 Geant4 Workshop, CERN 17
ESA Space Environment & Effects Analysis Section
INTAS project 00-629
Radiation environments and effects, and their dependence on time, position, and mission duration
Development of associated techniques for prediction of spacecraft radiation hazards
Evaluation of shielding strategies and methods; development and implementation of new models in Geant4, comparisons to the Russian SHIELD code and experimental data
Study of the High-Energy Interplanetary Radiation Fields and Radiation Effect Simulation for Spacecraft Missions
http://srd.sinp.msu.ru/INTAS/
30 September 2002 Geant4 Workshop, CERN 18
ESA Space Environment & Effects Analysis Section
INTAS project 00-629
Differential cross sections for secondary particles Cross sections of production of residual nuclei Energy spectra of residual nuclei Distribution of energy deposition over the target Total and differential yield of particles
Study of the High-Energy Interplanetary Radiation Fields and Radiation Effect Simulation for Spacecraft Missions
30 September 2002 Geant4 Workshop, CERN 19
ESA Space Environment & Effects Analysis Section
INTAS-00-629: heavy ion fragmentation data base
10 100 10001E-3
0.01
0.1
1
10
100
Cro
ss s
ectio
n, m
b
Alpha energy, MeV
Be7 H3 Na22 Na24
Production of radioisotopes 3H, 7Be 22Na and 24Na from interaction of ‑particles with Al.
7 8 9 10 11 12 13 14 15 16 170
20
40
60
80
100
120
140
160
Cro
ss S
ectio
n, m
b
Z
Production of elements from fragmentation of 40Ar (213 MeV/u) on nucleus-target C.
30 September 2002 Geant4 Workshop, CERN 20
ESA Space Environment & Effects Analysis Section
INTAS-00-629: heavy ion fragmentation data base
0 5 10 15 20 25 30 35 40 451E-4
1E-3
0.01
0.1
1
10
d2 /d
Ed
, m
b/s
r*M
eV
EA=24
, MeV
10 deg 30 deg 60 deg 90 deg
Energy spectra of residual nuclei with A=24. Projectile energy Eα=117.4 MeV on 28Si.
Energy spectra of secondary protons in the reaction 12C(3.6 GeV/u) + C.
0 50 100 150 200 250 300 350 4001E-3
0.01
0.1
1
10
mb/(
sr*M
eV
)
Proton energy, MeV
30o
40o
90o
99o
138o
150o
30 September 2002 Geant4 Workshop, CERN 21
ESA Space Environment & Effects Analysis Section
Radioactive Decay Module (RDM)
Energy (keV)
122Cd decay ENSDF 2 on-line database used
by a Java utility - and -particles, -rays, ,
daughter nuclides if unstable Times of observation as
required by the user Specific parts of the geometry Nuclide selection by the user Analogue Monte Carlo
potentially inefficient: variance reduction techniques used
Applications: Astrophysics missions, medical use, mineralogical analysis, ...
30 September 2002 Geant4 Workshop, CERN 22
ESA Space Environment & Effects Analysis Section
Radioactive Decay Module (RDM)
Simulation of decay chains Simulation time (s)
30 September 2002 Geant4 Workshop, CERN 23
ESA Space Environment & Effects Analysis Section
INTEGRAL
Study supernova explosions, gamma ray bursts, black holes, formation of elements Length 5 m, mass 4.1 tons Energy range 15 keV – 10 MeV Orbit 10000 km perigee,153000 km apogee => radiation belts
30 September 2002 Geant4 Workshop, CERN 24
ESA Space Environment & Effects Analysis Section
X-Ray Surveys of Solar System Bodies
Induced X-ray line emission:indicator of target composition(~100 m surface layer)
Cosmic rays,jovian electrons
Geant3.21
ITS3.0, EGS4
Geant4
Solar X-rays, e, p
Courtesy SOHO EIT
C, N, O line emissions included
25Geant4 Workshop, CERN30 September 2002
HERMES X-Ray Spectrometer on
Mercury Planetary Orbiter
PIXE from solar proton events
ESA Space Environment & Effects Analysis Section
26Geant4 Workshop, CERN30 September 2002
HERMES X-Ray Spectrometer on
Mercury Planetary Orbiter
ESA Space Environment & Effects Analysis Section
BESSY-II data
30 September 2002 Geant4 Workshop, CERN 27
ESA Space Environment & Effects Analysis Section
Laser Interferometer Space Antenna (LISA)
30 September 2002 Geant4 Workshop, CERN 28
Laser Interferometer Space Antenna (LISA)Satellite Test of the Equivalence Principle (STEP)Charging of test masses by cosmic rays and solar particles, -rays, and displaced gold ions
Analysis by Geant3.21 down to 10 keV; interfacing with ITS3.0 down to 1 keV. [Y. Jafry et al., Class. Quantum Grav. 13, 1996]
p+, Au+
-rays
Geant4: Analysis possible in one framework down to 250 eV.
SMART-2 application
ESA Space Environment & Effects Analysis Section
30 September 2002 Geant4 Workshop, CERN 29
ESA Space Environment & Effects Analysis Section
Electron spectra
30 September 2002 Geant4 Workshop, CERN 30
ESA Space Environment & Effects Analysis Section
Radiation Effects Analysis Tools (REAT), SPENVIS and Geant4 interface for Multi-Layered Shielding Simulation Software (MULASSIS), including WWW version [QinetiQ, University of Southampton, BISA]
Dose Estimation by Simulation of the ISS Radiation Environment (DESIRE) [KTH Stockholm, Karolinska Institut, EAC, ESTEC, INR]
Geant4 simulations on the ESA SREM instrument [University of Bern] Predicting displacement damage effects in electronic components by method of
simulation (NIEL). [University of Cologne] Further work on low-energy e.m. extensions, e.g. for Bepi Colombo [INFN
Genova, ESA Astrophysics, other Institutes and Universities] Improvement of graphical representation of solids, investigation of STEP to
XML translation [E. Chernaev, CERN] Development of Internal Conversion process; hadronics comparisons [QinetiQ] SpaceGRID, WP on Geant4 application [Datamat, QinetiQ] INTAS project 00-629: comparisons with SHIELD code [ESTEC, BISA,
CNES, Russian Institutes]
Recent and on-going Geant4-related R&D funded by ESA
30 September 2002 Geant4 Workshop, CERN 31
ESA Space Environment & Effects Analysis Section
Upcoming Geant4 R&D and other activities
Energetic Particle Shielding and Interactions Software, major R&D item. 5 ESA Science missions + 4 other activities for Geant4 development and applications [QinetiQ + 4 other Institutes / Teams]
Proposal for ESA-Portugal Task Force: Study on EUSO and AMS on the ISS [LIP Lisbon]
Proposals in the 2003-04 ESA General Studies Programme for plasma and components tools and applications
In-house simulations for the Herchel infrared mission, due for launch in 2007 Geant4 Space Users’ Forum 20-22 January 2003 at ESTEC:
http://www.estec.esa.nl/conferences/03C05/index.html
30 September 2002 Geant4 Workshop, CERN 32
ESA Space Environment & Effects Analysis Section
AURORAManned and unmanned Solar System Exploration initiative in 20-30 years time frame. Items for radiation environments and effects:
Radiation Shielding and Effects (Geant4 models, open competition) Radiation Exposure and Mission Strategies for Interplanetary
Manned Missions (Geant4 applications, open competition)
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