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test58

test58 is the reference example for NIEL and nuclear stopping power calculation in Geant4.

The physical values returned, computed as an average on the number of impinging particles, are:

 Two examples, with protons and electrons as incident particles are provided.

 

Protons

One single proton of 10 MeV energy is impinging on a Silicon cube (1x1x1 cm3). The threshold energy for displacement is set to 21 eV. The only physical process selected in the physic list is the single coulomb scattering. The output result is given:

 

The visualization of the event is also provided. The big external box is the world where the event took place. The internal box is the Silicon absorber (1x1x1 cm3). The impinging proton track is in cyan and the projected direction of the displaced Silicon atoms are in light grey.

 

Electrons

One single electron of 10 MeV energy is impinging on a Silicon cube (1x1x1 cm3). The threshold energy for displacement is set to 21 eV. The only physical process selected in the physic list is the single coulomb scattering. The output result is given:

 

The visualization of the event is also provided. The big external box is the world where the event took place. The internal box is the Silicon absorber (1x1x1 cm3). The impinging electron track is in red and the projected direction of the displaced silicon atoms are in light grey.

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