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For the latest released version, please have a look at v0.5.1.

8. Physics commands#

Macro commands related to Electromagnetic and Hadronic physics of the simulation.

See brief descriptions of the different available physics modules and models on the Physics List page.

Macro command

Type

M?

Description

Example value

Default value

/SEE/physics/addPhysics

string

n

Adding a G4 Physics module

G4IonPhysics

See Physics List

/SEE/physics/removeProcess

string, string

n

Remove a process of a particle type

e-, eIoni

-

/SEE/physics/setGammaCut

double u

n

Production range cut for \(\gamma\) *

2.5 mm

1 mm

/SEE/physics/setElectronCut

double u

n

Production range cut for \(e^-\) *

100 nm

1 um

/SEE/physics/setPositronCut

double u

n

Production range cut for \(e^+\) *

10 um

1 um

/SEE/physics/setHadronCut

double u

n

Production range cut for \(p\) and other hadrons *

200 nm

100 nm

/SEE/physics/setAllParticleCuts

double u

n

Production range cut for all particles *

1 um

-

/cuts/setLowEdge

double u

n

Lowest E threshold used when range cut is converted to energy

1 keV

10 eV

* Production range cuts are converted to energy internally.

Default production cuts in Silicon (both in range and energy):

Index : 2     used in the geometry : Yes
 Material : G4_Si
 Range cuts        :  gamma  1 mm           e-  1 um           e+  1 um       proton 100 nm 
 Energy thresholds :  gamma  6.95825 keV    e-  860.484 eV     e+  846.06 eV  proton 10 eV 
 Region(s) which use this couple : 
    Bulk
    Sensitive