[Gate-users] Gate-users Digest, Vol 128, Issue 20
Jinxia Guo
jinxia.guo2009 at gmail.com
Mon Jan 23 15:54:32 CET 2017
For the Y90 with energy distribution of ion source and fastY90 source
question, attached is the figure for four energy distributions in case the
figure can't be shown in the email.
Thanks for help!
Jinxia
2017-01-23 22:30 GMT+08:00 <
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> Today's Topics:
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> 1. Why Y90 has different energy distributions when using ion
> source and fastY90 source? (Jinxia Guo)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 23 Jan 2017 22:30:44 +0800
> From: Jinxia Guo <jinxia.guo2009 at gmail.com>
> To: gate-users at lists.opengatecollaboration.org
> Subject: [Gate-users] Why Y90 has different energy distributions when
> using ion source and fastY90 source?
> Message-ID:
> <CABvHvJv4-r1GNtNwqow5OcfVDWKKRda4sWa9Y5-0uugX=
> eq36g at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi guys,
>
>
>
> Recently I’ve done some simulation with Y90 source in Gate7.2 develop
> version. Two settings are with the same camera, digitizer and output but
> respectively with normal ion source and fastY90 source. The energy
> distributions of singles in coincidences for each setting are shown below.
> It
> seems that the energy distribution with the normal ion source is very
> different with the fastY90 source. I thought they should be the same, but
> why the results actually are not? Anything wrong in the simulations
> setting? Thanks!
>
>
> *The energy distributions of each setting.*
>
> (1) fastY90 source (energy window: [420, inf]) (2) ion
> source (energy window:[420, inf])
>
>
>
>
> (3) fastY90 source (energy window: [0, inf])
> (4) ion source (energy window:[0, inf])
>
>
>
>
> （1）Setting1: simulation with fastY90
>
> #-----------------Phantom--------------------------------
>
> /gate/world/daughters/name cylinder_phantom
>
> /gate/world/daughters/insert cylinder
>
> /gate/cylinder_phantom/setMaterial Water
>
> /gate/cylinder_phantom/geometry/setRmax 10 cm
>
> /gate/cylinder_phantom/geometry/setRmin 0 cm
>
> /gate/cylinder_phantom/geometry/setHeight 30.5 cm
>
> /gate/cylinder_phantom/placement/setTranslation 0. 0. 0. mm
>
> /gate/cylinder_phantom/attachPhantomSD
>
>
>
> #-----------------Source--------------------------------
>
> /gate/source/addSource ionsrc fastY90
>
> /gate/source/ionsrc/setActivity 0.1 Ci
>
> /gate/source/ionsrc/useDefaultHalfLife
>
> /gate/source/ionsrc/gps/angtype iso
>
> /gate/source/ionsrc/gps/number 1
>
>
>
> /gate/source/ionsrc/setMinBremEnergy 50 keV
>
> /gate/source/ionsrc/setPositronProbability 0.00003186
>
>
>
> /gate/source/ionsrc/gps/type Volume
>
> /gate/source/ionsrc/gps/shape Cylinder
>
> /gate/source/ionsrc/gps/radius 10 cm
>
> /gate/source/ionsrc/gps/halfz 15.0325 cm
>
> /gate/source/ionsrc/gps/centre 0. 0. 0. Mm
>
> /gate/source/ionsrc/gps/confine cylinder_phantom
>
>
>
> #-----------------Physics--------------------------------
>
> /gate/physics/addProcess Decay
>
> /gate/physics/addProcess RadioactiveDecay
>
>
>
> /gate/physics/addProcess PhotoElectric
>
> /gate/physics/processes/PhotoElectric/setModel StandardModel
>
>
>
> /gate/physics/addProcess Compton
>
> /gate/physics/processes/Compton/setModel StandardModel
>
>
>
> /gate/physics/addProcess RayleighScattering
>
> /gate/physics/processes/RayleighScattering/setModel PenelopeModel
>
>
>
> /gate/physics/addProcess ElectronIonisation
>
> /gate/physics/processes/ElectronIonisation/setModel StandardModel e-
>
> /gate/physics/processes/ElectronIonisation/setModel StandardModel e+
>
>
>
> /gate/physics/addProcess Bremsstrahlung
>
> /gate/physics/processes/Bremsstrahlung/setModel StandardModel e-
>
> /gate/physics/processes/Bremsstrahlung/setModel StandardModel e+
>
>
>
> /gate/physics/addProcess PositronAnnihilation
>
> /gate/physics/addProcess MultipleScattering e+
>
> /gate/physics/addProcess MultipleScattering e-
>
>
>
> /gate/physics/setEMin 0.1 keV
>
> /gate/physics/setEMax 2.0 GeV
>
> /gate/physics/setDEDXBinning 220
>
> /gate/physics/setLambdaBinning 220
>
>
>
> /gate/physics/processList Enabled
>
> /gate/physics/processList Initialized
>
>
>
> （2）Setting2: simulation with the ion source
>
> #-----------------Phantom--------------------------------
>
> /gate/world/daughters/name cylinder_phantom
>
> /gate/world/daughters/insert cylinder
>
> /gate/cylinder_phantom/setMaterial Water
>
> /gate/cylinder_phantom/geometry/setRmax 10 cm
>
> /gate/cylinder_phantom/geometry/setRmin 0 cm
>
> /gate/cylinder_phantom/geometry/setHeight 30.065 cm
>
> /gate/cylinder_phantom/placement/setTranslation 0. 0. 0. mm
>
> /gate/cylinder_phantom/attachPhantomSD
>
>
>
> #-----------------Source--------------------------------
>
> /gate/source/addSource ionsrc
>
> /gate/source/ionsrc/setActivity 0.10 Ci
>
> /gate/source/ionsrc/gps/particle ion
>
> /gate/source/ionsrc/gps/ion 39 90 0 0
>
> /gate/source/ionsrc/setForcedUnstableFlag true
>
> #/gate/source/ionsrc/setForcedHalfLife 230544 s
>
> /gate/source/ionsrc/useDefaultHalfLife
>
> /gate/source/ionsrc/gps/angtype iso
>
> /gate/source/ionsrc/gps/number 1
>
>
>
> /gate/source/ionsrc/gps/type Volume
>
> /gate/source/ionsrc/gps/shape Cylinder
>
> /gate/source/ionsrc/gps/radius 10 cm
>
> /gate/source/ionsrc/gps/halfz 15.0325 cm
>
> /gate/source/ionsrc/gps/centre 0. 0. 0. mm
>
>
>
> /gate/source/ionsrc/gps/confine cylinder_phantom
>
>
>
> #-----------------Physics--------------------------------
>
> /gate/physics/addProcess Decay
>
> /gate/physics/addProcess RadioactiveDecay
>
>
>
> /gate/physics/addProcess PhotoElectric
>
> /gate/physics/processes/PhotoElectric/setModel StandardModel
>
>
>
> /gate/physics/addProcess Compton
>
> /gate/physics/processes/Compton/setModel StandardModel
>
>
>
> /gate/physics/addProcess RayleighScattering
>
> /gate/physics/processes/RayleighScattering/setModel PenelopeModel
>
>
>
> /gate/physics/addProcess GammaConversion
>
> /gate/physics/processes/GammaConversion/setModel StandardModel
>
>
>
> /gate/physics/addProcess ElectronIonisation
>
> /gate/physics/processes/ElectronIonisation/setModel StandardModel e-
>
> /gate/physics/processes/ElectronIonisation/setModel StandardModel e+
>
>
>
> /gate/physics/addProcess Bremsstrahlung
>
> /gate/physics/processes/Bremsstrahlung/setModel StandardModel e-
>
> /gate/physics/processes/Bremsstrahlung/setModel StandardModel e+
>
>
>
> /gate/physics/addProcess PositronAnnihilation
>
> /gate/physics/addProcess MultipleScattering e+
>
> /gate/physics/addProcess MultipleScattering e-
>
>
>
> /gate/physics/setEMin 0.1 keV
>
> /gate/physics/setEMax 2.0 GeV
>
> /gate/physics/setDEDXBinning 220
>
> /gate/physics/setLambdaBinning 220
>
>
>
> /gate/physics/processList Enabled
>
> /gate/physics/processList Initialized
>
>
>
>
>
> Regards,
>
> Jinxia
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