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     Geant4 - an Object-Oriented Toolkit for Simulation in HEP
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                            TestEm0
                            -------

  This program is not a simulation. It prints the cross sections and stopping
  power used by the standard electromagnetic package, via G4EmCalculator
  which extracts these data from the PhysicsTables.
	
  The program can be used in batch or interactively.	
 
  - execute TestEm0 in 'batch' mode from macro files :
	% TestEm0   TestEm0.in
 		
  - Interactively, a typical sequence will be :
	% TestEm0
  ....
  Idle> /run/initialize
  ...
  Idle> /testem/det/setMat Silicon
  Idle> /run/setCut 100 um
  Idle> /gun/particle e-
  Idle> /gun/energy 10 MeV
  Idle> /run/beamOn
	 
  The last command triggers BuildPhysicsTable() and executes the program.
  
  Macros provided in this example:
  - muon.mac: muon incident
  - ion.mac: generic ion incident
  - xenonGas.mac: illustrate gas definition  
   
                            DirectAccess
                            ------------
			    
  DirectAccess.cc is a small batch program which shows how to compute the same
  basic data directly from the processes (indeed the models).
