semi_empirical_mass Class Reference

#include <nuclear_mass.h>

Inheritance diagram for semi_empirical_mass:

nuclear_mass_fit nuclear_mass

Detailed Description

Semi-empirical mass formula.

A naive semi-empirical mass formula.

Note:
The default parameters are arbitrary, and are not determined from a fit.

Definition at line 325 of file nuclear_mass.h.


Public Member Functions

 semi_empirical_mass ()
virtual double mass_excess_d (double Z, double N)
 Given Z and N, return the mass excess in MeV.
virtual int fit_fun (size_t nv, const ovector_view &x)
 Fix parameters from an array for fitting.
virtual int guess_fun (size_t nv, ovector_view &x)
 Fill array with guess from present values for fitting.

Data Fields

double B
 Binding energy (negative and in MeV, default -16).
double Sv
 Symmetry energy (in MeV, default 23.7).
double Ss
 Surface energy (in MeV, default 18).
double Ec
 Coulomb energy (in MeV, default 0.7).
double Epair
 Pairing energy (MeV, default 13.0).

The documentation for this class was generated from the following file:

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