Applications of Geant4

Applications of Applications of Geant4Geant4

Geant4 Mini-TutorialGeant4 Mini-TutorialHebden BridgeHebden Bridge

15 September 200715 September 2007Joseph Perl, SLACJoseph Perl, SLAC

(mostly stolen from a talk (mostly stolen from a talk byby

Makoto Asai)Makoto Asai)

http://www-unix.oit.umass.edu/~blaylock/hepex/sm-text-logo.gif

Kernel I - M.Asai (SLAC)Kernel I - M.Asai (SLAC) 22

BaBarBaBar BaBar at SLAC is the pioneer experiment in HEP in use of BaBar at SLAC is the pioneer experiment in HEP in use of

Geant4Geant4 Started in 2000Started in 2000 Simulated 5*10Simulated 5*1099 events so far events so far Produced at 20 sites in North America and EuropeProduced at 20 sites in North America and Europe Current average production rate 6.1 x 10Current average production rate 6.1 x 1077 events/week events/week

Now simulating PEP beam line as well (-9m < zIP < 9m)

Courtesy of D.Wright (SLAC)







Boulby Mine dark matter Boulby Mine dark matter search Prototype search Prototype

SimulationSimulation

Courtesy of H. Araujo, A. Howard, IC London

LXe

GXe

PMT

mirror

source

One High Energy event


Geant4 for beam Geant4 for beam transportationtransportation

Courtesy of V.D.Elvira (FNAL)

Kernel I - M.Asai (SLAC)Kernel I - M.Asai (SLAC) 1010Courtesy of G.Blair (CERN)

Kernel I - M.Asai (SLAC)Kernel I - M.Asai (SLAC) 1111Courtesy of S.Incerti (IN2P3/CNRS)


Chandra X-ray Chandra X-ray observatory, with similar observatory, with similar orbit, experienced orbit, experienced unexpected degradation of unexpected degradation of CCDs CCDs

Possible effects on XMM?Possible effects on XMM?BafflBaffleses

X-ray X-ray detectorsdetectors(CCDs)(CCDs)

MirrorMirrorss

Telescope Telescope tubetube

X-ray Multi-Mirror mission X-ray Multi-Mirror mission (XMM)(XMM) Launch December Launch December

19991999 Perigee 7000 kmPerigee 7000 km apogee 114000 kmapogee 114000 km Flight through the Flight through the

radiation belts radiation belts


astrophysicsastrophysics--ray burstsray bursts

AGILE GLAST

Typical telescope: Tracker Calorimeter Anticoincidence

conversion electron interactions multiple scattering-ray production charged particle tracking

GLAST

GLAST

Kernel I - M.Asai (SLAC)Kernel I - M.Asai (SLAC) 1414MAXIISS Columbus AMS

EUSO

Bepi Colombo SWIFT

LISA

Smart-2

ACE

INTEGRAL

Astro-E2

JWSTGAIA

Herschel

Cassini

GLAST

XMM-Newton


Cou

rtes

y T

. Ers

mar

k, K

TH

Sto

ckho

lm


X-Ray Surveys of X-Ray Surveys of Asteroids and Asteroids and

MoonsMoons

Induced X-ray line emission:indicator of target composition(~100 m surface layer)

Cosmic rays,jovian electrons

Geant3.21Geant3.21

G4 “standard”G4 “standard”

Geant4 low-EGeant4 low-E

Solar X-rays, e, p

Courtesy SOHO EIT

C, N, O line emissions includedC, N, O line emissions included

ESA Space Environment & Effects Analysis SectionGeant4 in Geant4 in

space sciencespace science


Bepi Colombo: X-Ray Bepi Colombo: X-Ray Mineralogical Survey of Mineralogical Survey of MercuryMercury

Alfonso Mantero, Thesis, Univ. Genova, 2002

Space Environments Space Environments and Effects Sectionand Effects Section

BepiColomboESA cornerstone mission to Mercury

Courtesy of ESA Astrophysics






Harald Paganetti

GEANT4 based proton dose calculation in a clinical environment: technical aspects, strategies and challenges


Screen shots of gMocrenScreen shots of gMocren


CT-simulation with a Rando phantomExperimental data obtained with TLD LiF dosimeter

CT images used to define the

geometry:

a thorax slice from a Rando

anthropomorphic phantom

Comparison with commercial treatment planning Comparison with commercial treatment planning systemssystems

M. C. Lopes 1, L. Peralta 2, P. Rodrigues 2, A. Trindade 2

1 IPOFG-CROC Coimbra Oncological Regional Center - 2 LIP - Lisbon

Agreement better than 2% between GEANT4 and TLD dosimeters

Comparison of Geant4 Results to EGSnrc andComparison of Geant4 Results to EGSnrc andMeasured Data in Large Field Electron Dose Measured Data in Large Field Electron Dose

DistributionsDistributions

Central axis depth dose curves and dose profiles of 6-21 MeV Primus electron beams Central axis depth dose curves and dose profiles of 6-21 MeV Primus electron beams were measured for a 40x40 cm field and simulated in EGS4 in work presented at the were measured for a 40x40 cm field and simulated in EGS4 in work presented at the First McGill International Workshop in 2004.First McGill International Workshop in 2004.

Those Monte Carlo treatment head and water phantom simulations have now been Those Monte Carlo treatment head and water phantom simulations have now been replicated with EGSnrc and the Geant4 Simulation Toolkit (version 8.2.p01).replicated with EGSnrc and the Geant4 Simulation Toolkit (version 8.2.p01).In each case, as with the original EGS4 simulation, source and geometry have been In each case, as with the original EGS4 simulation, source and geometry have been adjusted to best match simulation results to measurement. adjusted to best match simulation results to measurement.

Geant4 simulations were also shown for case of using the exact same source and Geant4 simulations were also shown for case of using the exact same source and geometry parameters used in the EGSnrc simulations.geometry parameters used in the EGSnrc simulations.

Bruce Faddegon (UCSF), Joseph Perl (SLAC)Bruce Faddegon (UCSF), Joseph Perl (SLAC)Jane Tinslay (SLAC), Makoto Asai (SLAC)Jane Tinslay (SLAC), Makoto Asai (SLAC)

Work supported in part by the U.S. Department of Energy under contract number DE-AC02-76SF00515 and NIH Work supported in part by the U.S. Department of Energy under contract number DE-AC02-76SF00515 and NIH R01 CA104777-01A2.R01 CA104777-01A2.

Monte Carlo Techniques in Radiotherapy delivery and verification:Monte Carlo Techniques in Radiotherapy delivery and verification:Third McGill International WorkshopThird McGill International WorkshopMontreal, May 29 - June 1, 2007Montreal, May 29 - June 1, 2007


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Applications of Geant4