/*
Copyright??1999?CERN?-?European?Organization?for?Nuclear?Research.
Permission?to?use?copy?modify?distribute?and?sell?this?software?and?its?documentation?for?any?purpose?
is?hereby?granted?without?fee?provided?that?the?above?copyright?notice?appear?in?all?copies?and?
that?both?that?copyright?notice?and?this?permission?notice?appear?in?supporting?documentation.?
CERN?makes?no?representations?about?the?suitability?of?this?software?for?any?purpose.?
It?is?provided?“as?is“?without?expressed?or?implied?warranty.
*/
package?cern.clhep;

/**
?*?High?Energy?Physics?coherent?Physical?Constants.
?*?This?class?is?a?Java?port?of?the?C++?version?found?in?CLHEP?1.4.0?which?in?turn?has?been?provided?by?Geant4?（a?simulation?toolkit?for?HEP）.
?*?

?*?For?aliasing?see?{@link?#physicalConstants}.
?*?
?*?@author?wolfgang.hoschek@cern.ch
?*?@version?1.0?09/24/99
?*/
public?class?PhysicalConstants?extends?object?{
/**
?*?Little?trick?to?allow?for?“aliasing“?that?is?renaming?this?class.
?*?Normally?you?would?write
?*?

?*?PhysicalConstants.twopi;
?*?PhysicalConstants.c_light;
?*?PhysicalConstants.h_Planck;
?*?

?*?Since?this?class?has?only?static?methods?but?no?instance?methods
?*?you?can?also?shorten?the?name?“PhysicalConstants“?to?a?name?that?better?suits?you?for?example?“P“.
?*?

?*?PhysicalConstants?P?=?PhysicalConstants.physicalConstants;?//?kind?of?“alias“
?*?P.twopi;
?*?P.c_light;
?*?P.h_Planck;
?*?

?*/
public?static?final?PhysicalConstants?physicalConstants?=?new?PhysicalConstants（）;

//
//?
//
public?static?final?double?????pi??=?Math.PI;?//3.14159265358979323846;
public?static?final?double??twopi??=?2*pi;
public?static?final?double?halfpi??=?pi/2;
public?static?final?double?????pi2?=?pi*pi;

//
//?
//
public?static?final?double?Avogadro?=?6.0221367e+23/Units.mole;

//
//?c???=?299.792458?mm/ns
//?c^2?=?898.7404?（mm/ns）^2?
//
public?static?final?double?c_light???=?2.99792458e+8?*?Units.m/Units.s;
public?static?final?double?c_squared?=?c_light?*?c_light;

//
//?h?????=?4.13566e-12?MeV*ns
//?hbar??=?6.58212e-13?MeV*ns
//?hbarc?=?197.32705e-12?MeV*mm
//
public?static?final?double?h_Planck??????=?6.6260755e-34?*?Units.joule*Units.s;
public?static?final?double?hbar_Planck???=?h_Planck/twopi;
public?static?final?double?hbarc?????????=?hbar_Planck?*?c_light;
public?static?final?double?hbarc_squared?=?hbarc?*?hbarc;

//
//
//
public?static?final?double?electron_charge?=?-?Units.eplus;?//?see?SystemOfUnits.h
public?static?final?double?e_squared?=?Units.eplus?*?Units.eplus;

//
//?amu_c2?-?atomic?equivalent?mass?unit
//?amu????-?atomic?mass?unit
//
public?static?final?double?electron_mass_c2?=?0.51099906?*?Units.MeV;
public?static?final?double???proton_mass_c2?=?938.27231?*?Units.MeV;
public?static?final?dou

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2004-09-09?20:36??colt\
?????目錄???????????0??2004-09-09?20:35??colt\doc\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\clhep\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\clhep\class-use\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\bitvector\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\bitvector\class-use\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\buffer\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\buffer\class-use\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\class-use\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\function\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\function\class-use\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\list\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\list\adapter\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\list\adapter\class-use\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\list\class-use\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\map\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\map\class-use\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\matrix\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\matrix\bench\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\matrix\bench\class-use\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\matrix\bench\doc-files\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\matrix\class-use\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\matrix\doc-files\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\matrix\doublealgo\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\matrix\doublealgo\class-use\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\matrix\impl\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\matrix\impl\class-use\
?????目錄???????????0??2004-09-09?20:36??colt\doc\api\cern\colt\matrix\linalg\
............此處省略1128個文件信息