[Gate-users] nano particles 2

[Asra Talebi]

  i am trying to calculate the energy spectrum of  bremshterlung x ray  around a nano particle. as you can see in figure,  any photons are not produced around nano particles and the energy spectrum of  bremshterlung x ray  is zero.


 Do anyone else know what is the problem???


#### geometry
# World
/gate/world/geometry/setXLength 1 cm
/gate/world/geometry/setYLength 1 cm
/gate/world/geometry/setZLength 1 cm
/gate/world/setMaterial G4_WATER



############au nanoparticle
/gate/world/daughters/name Au_nanoparticle
/gate/world/daughters/insert sphere
/gate/Au_nanoparticle/placement/setTranslation 0 0 0 cm
/gate/Au_nanoparticle/geometry/setRmax 5  nm
/gate/Au_nanoparticle/setMaterial gold
/gate/Au_nanoparticle/vis/forceSolid
/gate/Au_nanoparticle/vis/setColor red


#####physics
/gate/physics/addPhysicsList emDNAphysics



/gate/actor/addActor EnergySpectrumActor        spectrumm
/gate/actor/spectrumm/attachTo                 volumedosimetryone
/gate/actor/spectrumm/save                       ./spectrum_result/volumedosimetrygamma.root
/gate/actor/spectrumm/addFilter          particleFilter
/gate/actor/spectrumm/particleFilter/addParticle gamma
/gate/actor/spectrumm/addFilter           IDFilter
/gate/actor/spectrumm/IDFilter/selectID   2
/gate/actor/spectrumm/energySpectrum/setEmin          0 eV
/gate/actor/spectrumm/energySpectrum/setEmax           0.1 keV
/gate/actor/spectrumm/energySpectrum/setNumberOfBins   100
/gate/actor/spectrumm/energyLossHisto/setEmin       0 eV
/gate/actor/spectrumm/energyLossHisto/setEmax         0.1 keV
/gate/actor/spectrumm/energyLossHisto/setNumberOfBins 100



thanks


asra sadat talebi
PhD Scholar
Tarbiat Modares University
Department of medical physics
Tehran - Iran
E-mail address:  asra.talebi at modares.ac.ir
asra.talebi at yahoo.com

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