/* Number of photons in pulse */
#define FLUENCE (1.0e13)

/* Detector's quantum efficiency (ADU per photon, front detector) */
#define DQE (167.0)

/* Radius of the water column */
#define WATER_RADIUS (3.0e-6 / 2.0)

/* Radius of X-ray beam */
#define BEAM_RADIUS (3.0e-6 / 2.0)