#ifndef PDG_H
#define PDG_H

#define SPEED_OF_LIGHT 29.9792458 /* cm/ns */
/* From http://pdg.lbl.gov/2017/AtomicNuclearProperties/HTML/water_liquid.html */
#define RADIATION_LENGTH 36.08 /* g/cm^2 */
#define MUON_MASS 105.6583745 /* MeV */
#define FINE_STRUCTURE_CONSTANT 7.297352566417e-3

double get_scattering_rms(double x, double p, double beta, double z, double rho);

#endif