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- (* :Title: PhysicalConstants *)
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- (* :Author: Stephen Wolfram *)
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- (* :Summary: *)
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- (* :Package Version: 1.2 *)
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- (* :Copyright: *)
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- (* :Context: Miscellaneous`PhysicalConstants` *)
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- (* :History:
- Revised by ECM (Wolfram Research), November, 1990.
- Version 1.1 by Stephen Wolfram (Wolfram Research), 1988. *)
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- (* :Keywords: *)
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- (* :Source: *)
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- (* :Warning: none. *)
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- (* :Mathematica Version: 2.0 *)
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- (* :Limitation: none. *)
- (* :Discussion: *)
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- BeginPackage["Miscellaneous`PhysicalConstants`","Miscellaneous`SIUnits`"]
-
- Map[(#::"usage" =
- StringJoin[ToString[#]," is a physical constant."])&,
- {SpeedOfLight,PlanckConstant,PlanckConstantReduced,ElectronCharge,
- ElectronMass,ProtonMass,AvogadroConstant,
- FaradayConstant,GravitationalConstant,FineStructureConstant,
- PlanckMass,BohrRadius,RydbergConstant,ElectronComptonWavelength,
- ClassicalElectronRadius,ThomsonCrossSection,
- ElectronMagneticMoment,ElectronGFactor,
- MagneticFluxQuantum,BoltzmannConstant,MolarGasConstant,MolarVolume,
- StefanConstant,IcePoint,WeakMixingAngle,AgeOfUniverse,HubbleConstant,
- AccelerationDueToGravity,SolarRadius,
- SolarConstant,EarthMass,EarthRadius,SpeedOfSound}]
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-
- Begin["`Private`"]
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- SpeedOfLight = 2.99792458 10^8 Meter/Second
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- PlanckConstant = 6.6260755 10.^-34 Joule Second
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- PlanckConstantReduced = PlanckConstant / (2 Pi)
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- ElectronCharge = 1.60217733 10^-19 Coulomb
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- ElectronMass = 9.1093897 10^-31 Kilogram
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- ProtonMass = 1.6726231 10^-27 Kilogram
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- AvogadroConstant = 6.0221367 10.^23 Mole^-1
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- FaradayConstant = 9.648456 10^4 Coulomb/Mole
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- GravitationalConstant = 6.67260 10^-11 Newton Meter^2 Kilogram^-2
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- FineStructureConstant = 1/137.0359895
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- PlanckMass = 2.17671 10^-8 Kilogram
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- BohrRadius = 0.529177249 10^-10 Meter (* infinite mass nucleus *)
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- RydbergConstant = 1.09737318 10^7 Meter^-1
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- ElectronComptonWavelength = 2.426309 10^-12 Meter
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- ClassicalElectronRadius = 2.817938 10^-15 Meter
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- ThomsonCrossSection = 6.652245 10^-29 Meter^2
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- ElectronMagneticMoment = 9.284832 10^-24 Joule/Tesla
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- ElectronGFactor = 1.0011596567
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- MagneticFluxQuantum = 2.0678506 10^-15 Weber (* h / ( 2 e ) *)
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- BoltzmannConstant = 1.380658 10^-23 Joule/Kelvin
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- MolarGasConstant = 8.3144 Joule Kelvin^-1 Mole^-1
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- MolarVolume = 22.41410 10^-3 Meter^3/Mole (* ideal gas, STP *)
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- StefanConstant = 5.67051 10^-8 Watt Meter^-2 Kelvin^-4
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- IcePoint = 273.15 Kelvin
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- WeakMixingAngle = 0.230 (* Sin[ThetaW]^2 *)
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- AgeOfUniverse = 4.7 10^17 Second
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- HubbleConstant = 3.2 10^-18 Second^-1
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- AccelerationDueToGravity = 9.80665 Meter/Second^2
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- SolarRadius = 6.9599 10^8 Meter
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- SolarConstant = 1.37 10^3 Watt/Meter^2
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- EarthMass = 5.976 10^24 Kilogram
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- EarthRadius = 6.378164 10^6 Meter (* equatorial radius *)
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- SpeedOfSound = 340.29205 Meter/Second (* standard atmosphere *)
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- End[]
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- EndPackage[]
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