rtang/ANASEN_analysis
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proper kinematic technique

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This commit is contained in:
James Szalkie 2026-09-24 13:46:04 -04:00
parent 29ae11a035
commit f2c53940f6
2 changed files with 27 additions and 20 deletions
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39
Armory/anasenMS.cpp
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@ -415,12 +415,10 @@ int main(int argc, char **argv){
tree1->Branch("qqqUp", &qqqUp, "qqqUp/I"); tree1->Branch("qqqUp", &qqqUp, "qqqUp/I");
tree1->Branch("qqqBk", &qqqBk, "qqqBk/I"); tree1->Branch("qqqBk", &qqqBk, "qqqBk/I");
double EBeam_Kin_gs=NAN, EBeam_Kin_2_2=NAN, EBeam_Kin_3_4=NAN, Ex_recon=NAN, Ebeam_track=NAN; double EBeam_Kin_gs=NAN, EBeam_Kin_2_2=NAN, EBeam_Kin_3_4=NAN;
tree1->Branch("EBeam_Kin", &EBeam_Kin_gs, "EBeam_Kin/D"); tree1->Branch("EBeam_Kin", &EBeam_Kin_gs, "EBeam_Kin/D");
tree1->Branch("EBeam_Kin_2.2", &EBeam_Kin_2_2, "EBeam_Kin_2.2/D"); tree1->Branch("EBeam_Kin_2.2", &EBeam_Kin_2_2, "EBeam_Kin_2.2/D");
tree1->Branch("EBeam_Kin_3.4", &EBeam_Kin_3_4, "EBeam_Kin_3.4/D"); tree1->Branch("EBeam_Kin_3.4", &EBeam_Kin_3_4, "EBeam_Kin_3.4/D");
tree1->Branch("Ex_recon", &Ex_recon, "Ex_recon/D");
tree1->Branch("Ebeam_track", &Ebeam_track, "Ebeam_track/D");
// reconstructed angles from PW track fit, method 1 and 2 // reconstructed angles from PW track fit, method 1 and 2
double reTheta, rePhi; double reTheta, rePhi;
@ -437,12 +435,19 @@ int main(int argc, char **argv){
tree1->Branch("sigma_a", &sigma_a, "sigma_a/D"); tree1->Branch("sigma_a", &sigma_a, "sigma_a/D");
tree1->Branch("theta_recon", &theta_recon, "theta_recon/D"); tree1->Branch("theta_recon", &theta_recon, "theta_recon/D");
double vX_kin, vY_kin, vZ_kin, vZ_track, EBeam_kin; double vX_track, vY_track, vZ_track, EBeam_track, Ex_track;
tree1->Branch("vX_track", &vX_track, "vX_track/D");
tree1->Branch("vY_track", &vY_track, "vY_track/D");
tree1->Branch("vZ_track", &vZ_track, "vZ_track/D");
tree1->Branch("EBeam_track", &EBeam_track, "EBeam_track/D");
tree1->Branch("Ex_track", &Ex_track, "Ex_track/D");
double vX_kin, vY_kin, vZ_kin, EBeam_kin, Ex_kin;
tree1->Branch("vX_kin", &vX_kin, "vX_kin/D"); tree1->Branch("vX_kin", &vX_kin, "vX_kin/D");
tree1->Branch("vY_kin", &vY_kin, "vY_kin/D"); tree1->Branch("vY_kin", &vY_kin, "vY_kin/D");
tree1->Branch("vZ_kin", &vZ_kin, "vZ_kin/D"); tree1->Branch("vZ_kin", &vZ_kin, "vZ_kin/D");
tree1->Branch("vZ_track", &vZ_track, "vZ_track/D");
tree1->Branch("EBeam_kin", &EBeam_kin, "EBeam_kin/D"); tree1->Branch("EBeam_kin", &EBeam_kin, "EBeam_kin/D");
tree1->Branch("Ex_kin", &Ex_kin, "Ex_kin/D");
// reconstructed vertex Z from PW fit // reconstructed vertex Z from PW fit
double z0; double z0;
@ -501,8 +506,8 @@ int main(int argc, char **argv){
vX_kin = TMath::QuietNaN(); vX_kin = TMath::QuietNaN();
vY_kin = TMath::QuietNaN(); vY_kin = TMath::QuietNaN();
vZ_kin = TMath::QuietNaN(); vZ_kin = TMath::QuietNaN();
Ex_recon = TMath::QuietNaN(); Ex_kin = TMath::QuietNaN();
Ebeam_track = TMath::QuietNaN(); EBeam_track = TMath::QuietNaN();
EBeam_kin = TMath::QuietNaN(); EBeam_kin = TMath::QuietNaN();
sx3ID = -1; sx3ID = -1;
sx3Up = -1; sx3Up = -1;
@ -684,15 +689,15 @@ int main(int argc, char **argv){
//TVector3 hitSigma = sx3->GetHitPosWithSigma(sigmaSX3_W, sigmaSX3_L); //TVector3 hitSigma = sx3->GetHitPosWithSigma(sigmaSX3_W, sigmaSX3_L);
//smudging //smudging
TVector3 hitSigma = sx3->GetHitPosWithSigma(15,15); // args are sigmaSX3_W, sigmaSX3_L, currently set to 0 for no smearing TVector3 hitSigma = sx3->GetHitPosWithSigma(10, 10); // args are sigmaSX3_W, sigmaSX3_L, currently set to 0 for no smearing
double hitX = hitSigma.X(); double hitX = hitSigma.X();
double hitY = hitSigma.Y(); double hitY = hitSigma.Y();
double hitZ = hitSigma.Z(); double hitZ = hitSigma.Z();
double aX_sigma = gRandom->Gaus(aX, 15); double aX_sigma = gRandom->Gaus(aX, 10);
double aY_sigma = gRandom->Gaus(aY, 15); double aY_sigma = gRandom->Gaus(aY, 10);
double aZ_sigma = gRandom->Gaus(aZ, 15); double aZ_sigma = gRandom->Gaus(aZ, 10);
double distance_A; double distance_A;
Eanode = CalculateEnergyLoss(vertexX, vertexY, vertexZ, Eanode = CalculateEnergyLoss(vertexX, vertexY, vertexZ,
@ -723,7 +728,6 @@ int main(int argc, char **argv){
Kinematics apkin_27Al(26.981538408,4.00260325413,1.00782503224,29.973770136,beamEnergy/26.981538408); //m3 is proton Kinematics apkin_27Al(26.981538408,4.00260325413,1.00782503224,29.973770136,beamEnergy/26.981538408); //m3 is proton
if (!std::isnan(aX) && !std::isnan(aY) && !std::isnan(aZ) && aZ != 54321 && (aX != 0 || aY != 0 || aZ != 0)) { if (!std::isnan(aX) && !std::isnan(aY) && !std::isnan(aZ) && aZ != 54321 && (aX != 0 || aY != 0 || aZ != 0)) {
//reconstruct theta using anode and sx3 positions, apply a sigma to the anode locations //reconstruct theta using anode and sx3 positions, apply a sigma to the anode locations
theta_recon = TVector3(hitX - aX_sigma, hitY - aY_sigma, hitZ - aZ_sigma).Theta() * 180.0 / TMath::Pi();
//calulate vertex like in experiment //calulate vertex like in experiment
TVector3 x2f(aX_sigma, aY_sigma, aZ_sigma); TVector3 x2f(aX_sigma, aY_sigma, aZ_sigma);
TVector3 x1(hitX, hitY, hitZ); TVector3 x1(hitX, hitY, hitZ);
@ -735,6 +739,8 @@ int main(int argc, char **argv){
vY_track = r_rhoMin_fix.Y(); vY_track = r_rhoMin_fix.Y();
vZ_track = r_rhoMin_fix.Z(); vZ_track = r_rhoMin_fix.Z();
EBeam_track = elossBeam->Eval((vZ_track + 450) / 10);
Tb_recon = CalculateOriginalEnergy(hitX, hitY, hitZ, Tb_recon = CalculateOriginalEnergy(hitX, hitY, hitZ,
vX_track, vY_track, vZ_track, vX_track, vY_track, vZ_track,
//0, 0, r_rhoMin_fix.Z(), //0, 0, r_rhoMin_fix.Z(),
@ -743,8 +749,9 @@ int main(int argc, char **argv){
distance_sx3); distance_sx3);
//kinematic reconstruction //kinematic reconstruction
Ex_recon = apkin_27Al.getExc(Tb_recon, theta_recon); theta_recon = TVector3(hitX - aX_sigma, hitY - aY_sigma, hitZ - aZ_sigma).Theta() * 180.0 / TMath::Pi();
EBeam_track = apkin_27Al.getEbeam_givenQ(Tb_recon, Ex_recon, theta_recon); //args are (reaction energy, Ex, thetab) still tracking Ex_kin = apkin_27Al.getExc(Tb_recon, theta_recon);
EBeam_kin = apkin_27Al.getEbeam_givenQ(Tb_recon, Ex, theta_recon); //args are (reaction energy, Ex, thetab) still tracking
vZ_kin = elossBeamInverse->Eval(EBeam_kin) * 10 - 450; vZ_kin = elossBeamInverse->Eval(EBeam_kin) * 10 - 450;
/*Checklist: anode smudge, sx3 smudge, beam position off axis, beam angle*/ /*Checklist: anode smudge, sx3 smudge, beam position off axis, beam angle*/
@ -755,8 +762,8 @@ int main(int argc, char **argv){
vX_kin = TMath::QuietNaN(); vX_kin = TMath::QuietNaN();
vY_kin = TMath::QuietNaN(); vY_kin = TMath::QuietNaN();
vZ_kin = TMath::QuietNaN(); vZ_kin = TMath::QuietNaN();
Ex_recon = TMath::QuietNaN(); Ex_kin = TMath::QuietNaN();
Ebeam_track = TMath::QuietNaN(); EBeam_track = TMath::QuietNaN();
Tb_recon = TMath::QuietNaN(); Tb_recon = TMath::QuietNaN();
vZ_track = TMath::QuietNaN(); vZ_track = TMath::QuietNaN();
EBeam_kin = TMath::QuietNaN(); EBeam_kin = TMath::QuietNaN();

8
Armory/testMacro.C
View File

@ -34,9 +34,9 @@
tree1->Draw("Ex:vZ >> h5", "sx3ID >= 0 && EPC >= 0.03", "same"); tree1->Draw("Ex:vZ >> h5", "sx3ID >= 0 && EPC >= 0.03", "same");
*/ */
new TCanvas("c1", "Canvas", 900, 600); new TCanvas("c1", "Canvas", 900, 600);
tree1->Draw("Ex_recon:vZ_kin>>h2(800,-500,300,110,-1,10)", "sx3ID >=0 && !TMath::IsNaN(vZ_kin)", "colz"); tree1->Draw("Ex_kin:vZ_kin>>h2(800,-500,300,110,-1,10)", "sx3ID >=0 && !TMath::IsNaN(vZ_kin)", "colz");
tree1->Draw("Ex:vZ_kin", "sx3ID >=0 && !TMath::IsNaN(vZ_kin)", "same"); tree1->Draw("Ex:vZ", "sx3ID >=0 && !TMath::IsNaN(vZ)", "same");
c1->SaveAs("Ex_recon.png"); c1->SaveAs("Ex_kin.png");
/* /*
new TCanvas("c2", "Canvas", 900, 600); new TCanvas("c2", "Canvas", 900, 600);
tree1->Draw("theta_recon:thetab", "sx3ID >=0 && Esx3 > 0", ""); tree1->Draw("theta_recon:thetab", "sx3ID >=0 && Esx3 > 0", "");
@ -55,7 +55,7 @@
c4->SaveAs("vZ_kin_vs_vZ.png"); c4->SaveAs("vZ_kin_vs_vZ.png");
new TCanvas("c5", "Canvas", 900, 600); new TCanvas("c5", "Canvas", 900, 600);
tree1->Draw("Ebeam_track:beamEnergy", "sx3ID >=0 && !TMath::IsNaN(Ebeam_track)", ""); tree1->Draw("EBeam_track:beamEnergy", "sx3ID >=0 && !TMath::IsNaN(EBeam_track)", "");
TF1 *line_kin_track = new TF1("line_beam_track", "x", gPad->GetUxmin(), gPad->GetUxmax()); TF1 *line_kin_track = new TF1("line_beam_track", "x", gPad->GetUxmin(), gPad->GetUxmax());
line_kin_track->SetLineColor(kRed); line_kin_track->Draw("SAME"); line_kin_track->SetLineColor(kRed); line_kin_track->Draw("SAME");
c5->SaveAs("Ebeam_track_vs_beamEnergy.png"); c5->SaveAs("Ebeam_track_vs_beamEnergy.png");