10 static const double urad = 1. / 1000000.;
static const double c_light_s
static const double s_to_ns
static const double cm_to_um
static const double c_light_ns
static const double m_to_cm
static const double um_to_mm
static const double m_to_um
static const double um_to_cm
static const double ProtonMass
static const double m_to_mm
static const double mm_to_um
static const double mm_to_cm
static const double mm_to_m
static const double cm_to_m
static const double ProtonMassSQ
static const double cm_to_mm