Gabriele Cosmo
280 lines
7.9 KiB
C++
280 lines
7.9 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4UnitsTest.hh,v 1.4 1999/11/19 09:19:30 gcosmo Exp $
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// GEANT4 tag $Name: geant4-01-01 $
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//
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// ----------------------------------------------------------------------
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//
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// Class description:
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//
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// This file is a modified version of SystemOfUnits.h
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// It is provided for checking the overall 'units coherence' of the
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// Geant4 kernel.
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// -------
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// Warning: if you use it, do not forget to recompile the whole Geant4 kernel
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// -------
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// The basic units are those of the International System:
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//
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// meter
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// second
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// kilogram
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// ampere
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// degree kelvin
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// the amount of substance (mole)
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// luminous intensity (candela)
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// radian
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// steradian
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//
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//
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// The SI numerical value of the positron charge is defined here,
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// as it is needed for conversion factor : positron charge = e_SI (coulomb)
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//
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// The others physical constants are defined in the header file :
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// PhysicalConstants.h
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//
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// Authors: M.Maire, S.Giani
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//
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// History:
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//
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// 10.03.99 created
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#ifndef G4UNITSTEST_HH
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#define G4UNITSTEST_HH
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#include <CLHEP/config/CLHEP.h>
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//
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// Length [L]
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//
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static const HepDouble meter = 1.;
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static const HepDouble meter2 = meter*meter;
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static const HepDouble meter3 = meter*meter*meter;
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static const HepDouble millimeter = 0.001*meter;
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static const HepDouble millimeter2 = millimeter*millimeter;
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static const HepDouble millimeter3 = millimeter*millimeter*millimeter;
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static const HepDouble centimeter = 10.*millimeter;
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static const HepDouble centimeter2 = centimeter*centimeter;
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static const HepDouble centimeter3 = centimeter*centimeter*centimeter;
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static const HepDouble kilometer = 1000.*meter;
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static const HepDouble kilometer2 = kilometer*kilometer;
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static const HepDouble kilometer3 = kilometer*kilometer*kilometer;
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static const HepDouble micrometer = 1.e-6 *meter;
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static const HepDouble nanometer = 1.e-9 *meter;
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static const HepDouble angstrom = 1.e-10*meter;
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static const HepDouble fermi = 1.e-15*meter;
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static const HepDouble barn = 1.e-28*meter2;
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static const HepDouble millibarn = 1.e-3 *barn;
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static const HepDouble microbarn = 1.e-6 *barn;
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static const HepDouble nanobarn = 1.e-9 *barn;
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static const HepDouble picobarn = 1.e-12*barn;
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// symbols
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static const HepDouble mm = millimeter;
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static const HepDouble mm2 = millimeter2;
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static const HepDouble mm3 = millimeter3;
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static const HepDouble cm = centimeter;
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static const HepDouble cm2 = centimeter2;
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static const HepDouble cm3 = centimeter3;
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static const HepDouble m = meter;
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static const HepDouble m2 = meter2;
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static const HepDouble m3 = meter3;
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static const HepDouble km = kilometer;
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static const HepDouble km2 = kilometer2;
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static const HepDouble km3 = kilometer3;
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//
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// Angle
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//
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static const HepDouble radian = 1.;
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static const HepDouble milliradian = 1.e-3*radian;
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static const HepDouble degree = (3.14159265358979323846/180.0)*radian;
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static const HepDouble steradian = 1.;
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// symbols
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static const HepDouble rad = radian;
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static const HepDouble mrad = milliradian;
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static const HepDouble sr = steradian;
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static const HepDouble deg = degree;
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//
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// Time [T]
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//
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static const HepDouble second = 1.;
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static const HepDouble nanosecond = 1.e-9 *second;
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static const HepDouble millisecond = 1.e-3 *second;
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static const HepDouble microsecond = 1.e-6 *second;
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static const HepDouble picosecond = 1.e-12*second;
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static const HepDouble hertz = 1./second;
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static const HepDouble kilohertz = 1.e+3*hertz;
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static const HepDouble megahertz = 1.e+6*hertz;
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// symbols
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static const HepDouble ns = nanosecond;
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static const HepDouble s = second;
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static const HepDouble ms = millisecond;
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//
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// Mass [E][T^2][L^-2]
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//
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static const HepDouble kilogram = 1.;
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static const HepDouble gram = 1.e-3*kilogram;
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static const HepDouble milligram = 1.e-3*gram;
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// symbols
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static const HepDouble kg = kilogram;
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static const HepDouble g = gram;
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static const HepDouble mg = milligram;
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//
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// Electric current [Q][T^-1]
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//
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static const HepDouble ampere = 1.;
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static const HepDouble milliampere = 1.e-3*ampere;
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static const HepDouble microampere = 1.e-6*ampere;
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static const HepDouble nanoampere = 1.e-9*ampere;
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//
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// Electric charge [Q]
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//
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static const HepDouble coulomb = ampere*second;
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static const HepDouble e_SI = 1.60217733e-19; // positron charge in coulomb
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static const HepDouble eplus = e_SI*coulomb ; // positron charge
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//
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// Energy [E]
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//
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static const HepDouble joule = kg*m*m/(s*s);
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static const HepDouble electronvolt = e_SI*joule;
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static const HepDouble kiloelectronvolt = 1.e+3*electronvolt;
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static const HepDouble megaelectronvolt = 1.e+6*electronvolt;
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static const HepDouble gigaelectronvolt = 1.e+9*electronvolt;
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static const HepDouble teraelectronvolt = 1.e+12*electronvolt;
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static const HepDouble petaelectronvolt = 1.e+15*electronvolt;
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// symbols
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static const HepDouble MeV = megaelectronvolt;
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static const HepDouble eV = electronvolt;
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static const HepDouble keV = kiloelectronvolt;
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static const HepDouble GeV = gigaelectronvolt;
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static const HepDouble TeV = teraelectronvolt;
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static const HepDouble PeV = petaelectronvolt;
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//
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// Power [E][T^-1]
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//
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static const HepDouble watt = joule/second; // watt = 6.24150 e+3 * MeV/ns
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//
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// Force [E][L^-1]
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//
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static const HepDouble newton = joule/meter; // newton = 6.24150 e+9 * MeV/mm
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//
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// Pressure [E][L^-3]
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//
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#define pascal hep_pascal // a trick to avoid warnings
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static const HepDouble hep_pascal = newton/m2; // pascal = 6.24150 e+3 * MeV/mm3
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static const HepDouble bar = 100000*pascal; // bar = 6.24150 e+8 * MeV/mm3
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static const HepDouble atmosphere = 101325*pascal; // atm = 6.32420 e+8 * MeV/mm3
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//
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// Electric potential [E][Q^-1]
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//
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static const HepDouble megavolt = megaelectronvolt/eplus;
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static const HepDouble kilovolt = 1.e-3*megavolt;
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static const HepDouble volt = 1.e-6*megavolt;
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//
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// Electric resistance [E][T][Q^-2]
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//
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static const HepDouble ohm = volt/ampere; // ohm = 1.60217e-16*(MeV/eplus)/(eplus/ns)
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//
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// Electric capacitance [Q^2][E^-1]
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//
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static const HepDouble farad = coulomb/volt; // farad = 6.24150e+24 * eplus/Megavolt
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static const HepDouble millifarad = 1.e-3*farad;
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static const HepDouble microfarad = 1.e-6*farad;
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static const HepDouble nanofarad = 1.e-9*farad;
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static const HepDouble picofarad = 1.e-12*farad;
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//
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// Magnetic Flux [T][E][Q^-1]
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//
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static const HepDouble weber = volt*second; // weber = 1000*megavolt*ns
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//
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// Magnetic Field [T][E][Q^-1][L^-2]
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//
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static const HepDouble tesla = volt*second/meter2; // tesla =0.001*megavolt*ns/mm2
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static const HepDouble gauss = 1.e-4*tesla;
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static const HepDouble kilogauss = 1.e-1*tesla;
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//
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// Inductance [T^2][E][Q^-2]
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//
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static const HepDouble henry = weber/ampere; // henry = 1.60217e-7*MeV*(ns/eplus)**2
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//
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// Temperature
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//
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static const HepDouble kelvin = 1.;
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//
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// Amount of substance
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//
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static const HepDouble mole = 1.;
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//
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// Activity [T^-1]
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//
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static const HepDouble becquerel = 1./second ;
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static const HepDouble curie = 3.7e+10 * becquerel;
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//
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// Absorbed dose [L^2][T^-2]
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//
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static const HepDouble gray = joule/kilogram ;
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//
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// Luminous intensity [I]
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//
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static const HepDouble candela = 1.;
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//
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// Luminous flux [I]
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//
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static const HepDouble lumen = candela*steradian;
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//
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// Illuminance [I][L^-2]
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//
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static const HepDouble lux = lumen/meter2;
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//
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// Miscellaneous
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//
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static const HepDouble perCent = 0.01 ;
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static const HepDouble perThousand = 0.001;
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static const HepDouble perMillion = 0.000001;
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#endif /* G4UNITSTEST_HH */
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