run1.mac

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# Macro file for example B2
# 
# Can be run in batch, without graphic
# or interactively: Idle> /control/execute run1.mac
#
# Change the default number of workers (in multi-threading mode) 
#/run/numberOfThreads 4
#
# Initialize kernel
/run/initialize
#
# Default kinematics: 
# proton 3 GeV in direction (0.,0.,1.)
# 1 event with tracking/verbose
#
/tracking/verbose 1
/run/beamOn 1
#
# 1 event with printing hits
#
/tracking/verbose 0
/hits/verbose 2
/run/beamOn 1
#
# set target and chamber material
#
/B2/det/setTargetMaterial G4_WATER
/B2/det/setChamberMaterial G4_Ar
/run/beamOn 3
# 
# set a magnetic field and max allowed step length
# 3 event with printing hits
#
/globalField/verbose 1
/globalField/setValue 0.2 0 0 tesla
/B2/det/stepMax 1.0 mm
/gun/energy 0.3 GeV
/run/beamOn 3
#
# muon 300 MeV in the direction (0.,0.,1.)
# 3 event with detailed printing
#
/gun/particle mu-
/gun/energy 300 MeV
/run/beamOn 3