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90 lines
2.3 KiB
C++
90 lines
2.3 KiB
C++
#include "TwoStepSystem.h"
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#include "KinematicsExceptions.h"
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TwoStepSystem::TwoStepSystem() :
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ReactionSystem()
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{
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}
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TwoStepSystem::TwoStepSystem(std::vector<int>& z, std::vector<int>& a) :
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ReactionSystem()
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{
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SetNuclei(z, a);
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}
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TwoStepSystem::~TwoStepSystem() {
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}
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bool TwoStepSystem::SetNuclei(std::vector<int>&z, std::vector<int>& a) {
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if(z.size() != a.size() || z.size() < 4) {
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return false;
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}
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int zr = z[0] + z[1] - z[2];
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int ar = a[0] + a[1] - a[2];
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step1.SetNuclei(z[0], a[0], z[1], a[1], z[2], a[2]);
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step2.SetNuclei(zr, ar, 0, 0, z[3], a[3]);
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SetSystemEquation();
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return true;
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}
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void TwoStepSystem::LinkTarget() {
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step1.SetLayeredTarget(&target);
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step2.SetLayeredTarget(&target);
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rxnLayer = target.FindLayerContaining(step1.GetTarget().GetZ(), step1.GetTarget().GetA());
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if(rxnLayer != -1) {
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step1.SetRxnLayer(rxnLayer);
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step2.SetRxnLayer(rxnLayer);
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target_set_flag = true;
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} else {
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throw ReactionLayerException();
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}
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}
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void TwoStepSystem::SetSystemEquation() {
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m_sys_equation = step1.GetTarget().GetIsotopicSymbol();
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m_sys_equation += "(";
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m_sys_equation += step1.GetProjectile().GetIsotopicSymbol();
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m_sys_equation += ", ";
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m_sys_equation += step1.GetEjectile().GetIsotopicSymbol();
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m_sys_equation += ")";
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m_sys_equation += step1.GetResidual().GetIsotopicSymbol();
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m_sys_equation += "-> ";
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m_sys_equation += step2.GetEjectile().GetIsotopicSymbol();
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m_sys_equation += "+";
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m_sys_equation += step2.GetResidual().GetIsotopicSymbol();
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}
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void TwoStepSystem::RunSystem() {
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if(!gen_set_flag) return;
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//Link up the target if it hasn't been done yet
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if(!target_set_flag) {
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LinkTarget();
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}
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//Sample parameters
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double bke = generator->Gaus(m_beamDist.first, m_beamDist.second);
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double rxnTheta = acos(generator->Uniform(cos(m_theta1Range.first), cos(m_theta1Range.second)));
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double rxnPhi = 0;
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double decay1Theta = acos(generator->Uniform(-1, 1));
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double decay1Phi = generator->Uniform(0, M_PI*2.0);
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double residEx = generator->Gaus(m_exDist.first, m_exDist.second);
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step1.SetBeamKE(bke);
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step1.SetPolarRxnAngle(rxnTheta);
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step1.SetAzimRxnAngle(rxnPhi);
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step1.SetExcitation(residEx);
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step2.SetPolarRxnAngle(decay1Theta);
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step2.SetAzimRxnAngle(decay1Phi);
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step1.Calculate();
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step2.SetTarget(step1.GetResidual());
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step2.TurnOnResidualEloss();
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step2.Calculate();
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} |