constants.hpp

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/* Copyright (c) 2012 Taneli Kalvas. All rights reserved.
 *
 * You can redistribute this software and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option)
 * any later version.
 * 
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this library (file "COPYING" included in the package);
 * if not, write to the Free Software Foundation, Inc., 51 Franklin
 * Street, Fifth Floor, Boston, MA 02110-1301 USA
 * 
 * If you have questions about your rights to use or distribute this
 * software, please contact Berkeley Lab's Technology Transfer
 * Department at TTD@lbl.gov. Other questions, comments and bug
 * reports should be sent directly to the author via email at
 * taneli.kalvas@jyu.fi.
 * 
 * NOTICE. This software was developed under partial funding from the
 * U.S.  Department of Energy.  As such, the U.S. Government has been
 * granted for itself and others acting on its behalf a paid-up,
 * nonexclusive, irrevocable, worldwide license in the Software to
 * reproduce, prepare derivative works, and perform publicly and
 * display publicly.  Beginning five (5) years after the date
 * permission to assert copyright is obtained from the U.S. Department
 * of Energy, and subject to any subsequent five (5) year renewals,
 * the U.S. Government is granted for itself and others acting on its
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 */
 
#ifndef CONSTANTS_HPP
#define CONSTANTS_HPP 1
 
 
// Permittivity of space (F/m)
// From NIST, official value of Apr 7 2008
#define EPSILON0 8.854187817e-12
 
// Atomic mass unit (kg)
#define MASS_U        1.66053873e-27
// Electron mass (kg)
#define MASS_E        9.10938291e-31
// Proton mass (kg)
#define MASS_P        1.67262178e-27
 
// Elementary charge (C)
#define CHARGE_E      1.602176462e-19
 
// Speed of light (m/s)
#define SPEED_C       299792458.0
// Speed of light squared (m^2/s^2)
#define SPEED_C2      89875517873681764.0
 
 
#endif