/* Header file based on Physical Constants (p.1233) of RPP
 * T. M. Sanders (sanders@umich.edu) 1/95
 */

/* speed of light in vacuum (def) m/s		*/
#define FPC_c 2.99792458E8

/* Planck constant (40)J s                 */
#define FPC_h 6.6260755E-34

/* Planck constant, reduced (63) J s       */
#define FPC_h_BAR 1.05457266E-34

/* Planck constant, reduced (20) MeV s       */
#define FPC_h_BAR_MeVs 6.5821220E-22 

/* electron charge magnitude (49) C      */
#define FPC_e_C 1.60217733E-19

/* electron charge magnitude (15) esu      */
#define FPC_e_ESU 4.8032068E-10

/* conversion constant hbar*c (59) MeV Fm            */
#define FPC_hBARc 197.327053

/* conversion constant (hbar*c)^2 (23) GeV^2 mbarn            */
#define FPC_hBARc2 0.38937966

/* electron mass (54) kg                  */
#define FPC_m_e_kg 9.1093897E-31

/* electron mass (15) MeV/c^2                   */
#define FPC_m_e_MeV 0.51099906

/* proton mass (28) MeV/c^2                     */
#define FPC_m_P_MeV 938.27231

/* proton mass (12) u                    */
#define FPC_m_P_u 1.007276470

/* proton mass (10) kg                    */
#define FPC_m_P_kg 1.6726231E-27

/* proton mass (37) m_e                    */
#define FPC_m_P_M_E 1836.152701

/* deuteron mass (57) MeV/c^2                  */
#define FPC_m_D_MeV 1875.61339

/* unified atomic mass unit (u) (28) MeV/c^2   */
#define FPC_u_MeV 931.49432

/* unified atomic mass unit (u) (10) kg   */
#define FPC_u_kg 1.6605402E-27

/* permittivity of free space F/m      */
#define FPC_EPSILON_0 8.854187817E-12

/* permeability of free space N/A^2      */
#define FPC_MU_0 12.566370614E-7

/* fine-structure constant (61)        */
#define FPC_ALPHA 1/137.0359895

/* classical electron radius (38) m     */
#define FPC_r_e 2.81794092E-15

/* electron Compton wavelength (35) m   */
#define FPC_LAMBDA_BAR_e 3.86159323E-13

/* Bohr radius (mnucleus= infty) (24) m     */
#define FPC_a_0 0.529177249E-10

/* wavelength of 1 eV/c particle (37) m   */
#define FPC_LAMBDA_1EV 1.23984244E-6

/* Rydberg energy (mnucleus = infinity) (40) eV                 */
#define FPC_R_INFINITY_EV 13.6056981

/* Thomson cross section (18) barn          */
#define FPC_SIGMA_0_BARN 0.66524616

/* Bohr magneton (52)  MeV/T                 */
#define FPC_MU_B_MeV_T 5.78838263E-11

/* nuclear magneton (28) MeV/T               */
#define FPC_MU_N_MeV_T 3.15245166E-14

/* electron cyclotron freq./field (53) C/kg (rad/sT) */
#define FPC_E_M_e 1.75881962E11

/* proton cyclotron freq./field (29) C/kg (rad/sT) */
#define FPC_E_M_P 9.5788309E7

/* gravitational constant (85) m^3/kgs^2         */
#define FPC_G_SI 6.67259E-11

/* gravitational constant (86) h_bar c (GeV/c^2)^{-2}       */
#define FPC_G_P 6.70711E-39

/* standard grav. accel., sea level m/s^2 */
#define FPC_g 9.80665 

/* Avogadro constant (36)  /mole            */
#define FPC_N_A 6.0221367E23 

/* Boltzmann constant (12) J/K             */
#define FPC_K_B 1.380658E-23

/* Boltzmann constant (73) eV/K            */
#define FPC_K_B_EV 8.617385E-5

/* molar volume, ideal gas at STP (19) m^3/mole  */
#define FPC_V_MOLAR 22.41410E-3

/* Wien displacement law constant (24) m K */
#define FPC_LAMBDAT 2.897756E-3

/* Stefan-Boltzmann constant (19) W/m^2K^4       */
#define FPC_SIGMA_SB 5.67051E-8

/* Fermi coupling constant (2)  GeV^{-2}        */
#define FPC_G_F 1.16639E-5

/* weak mixing angle  (5)  at M_Z           */
#define FPC_SIN2_THETA_W 0.23192

/* W boson mass (26) GeV/c^2                  */
#define FPC_M_W 80.22

/* Z_0 boson mass (7) GeV/c^2                  */
#define FPC_M_Z0 91.187

/* strong coupling constant (5))  at M_Z     */
#define FPC_G_S 0.117