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#ifndef ELECTRON_H
#define ELECTRON_H
#include <stddef.h> /* for size_t */
/* Number of photons in the range 200 nm - 800 nm generated per MeV of energy
* lost to radiation for electrons.
*
* FIXME: This is just a rough estimate, should use an energy dependent
* quantity from simulation. */
#define ELECTRON_PHOTONS_PER_MEV 400.0
void electron_get_position_distribution_parameters(double T0, double *a, double *b);
double electron_get_angular_distribution_alpha(double T0);
double electron_get_angular_distribution_beta(double T0);
double electron_get_angular_pdf_no_norm(double cos_theta, double alpha, double beta, double mu);
double electron_get_angular_pdf_norm(double alpha, double beta, double mu);
double electron_get_angular_pdf_delta_ray(double cos_theta, double alpha, double beta, double mu);
double electron_get_angular_pdf(double cos_theta, double alpha, double beta, double mu);
double electron_get_range(double T, double rho);
double electron_get_dEdx_rad(double T, double rho);
double electron_get_dEdx(double T, double rho);
#endif
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