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Mask/include/Nucleus.h

59 lines
1.9 KiB
C++

/*
Nucleus.h
Nucleus is a derived class of Vec4. A nucleus is the kinematics is essentially a 4 vector with the
additional properties of the number of total nucleons (A), the number of protons (Z), a ground state mass,
an exctitation energy, and an isotopic symbol.
--GWM Jan 2021
*/
#ifndef NUCLEUS_H
#define NUCLEUS_H
#include "Vec4.h"
#include <string>
namespace Mask {
class Nucleus : public Vec4 {
public:
Nucleus();
Nucleus(int Z, int A);
Nucleus(int Z, int A, double px, double py, double pz, double E);
~Nucleus();
bool SetIsotope(int Z, int A);
inline void SetThetaCM(double tcm) { m_theta_cm = tcm; }; //save theta in rxn CM frame
inline int GetZ() const { return m_z; };
inline int GetA() const { return m_a; };
inline double GetExcitationEnergy() const { return GetInvMass() - m_gs_mass; };
inline double GetGroundStateMass() const { return m_gs_mass; };
inline const char* GetIsotopicSymbol() const { return m_symbol.c_str(); };
inline double GetThetaCM() const { return m_theta_cm; };
inline Nucleus& operator=(const Nucleus& rhs) {
SetIsotope(rhs.GetZ(), rhs.GetA());
SetVectorCartesian(rhs.GetPx(), rhs.GetPy(), rhs.GetPz(), rhs.GetE());
SetThetaCM(rhs.GetThetaCM());
return *this;
};
//Conservation of nucleons and momentum
inline Nucleus operator+(const Nucleus& daughter) {
return Nucleus(GetZ()+daughter.GetZ(), GetA()+daughter.GetA(), GetPx()+daughter.GetPx(), GetPy()+daughter.GetPy(), GetPz()+daughter.GetPz(), GetE()+daughter.GetE());
};
inline Nucleus operator-(const Nucleus& daughter) {
return (GetZ() - daughter.GetZ()) <= 0 || (GetA() - daughter.GetA()) <= 0 ? Nucleus() :
Nucleus(GetZ()-daughter.GetZ(), GetA() - daughter.GetA(), GetPx()-daughter.GetPx(), GetPy()-daughter.GetPy(), GetPz()-daughter.GetPz(), GetE()-daughter.GetE());
};
private:
int m_z, m_a;
double m_gs_mass;
double m_theta_cm;
std::string m_symbol;
};
};
#endif