/* This is the header file for the functions that specify the
   eta wavefunction. */

#ifndef eta_wavefunction_h
#define eta_wavefunction_h

#include <default.h>
#include <complex.h>

#define F_ETA 0.138          /* 0.138 */  
                             /* eta decay constant in GeV */   


double eta_distribution_ampl(double x);
double eta_wavef_impactpar(double x, double b);
double eta_wavef_momspace(double x, double k_perp);



#endif