Skip to content

Draft:Remove energy cut on neutrinos for fixed target simulation #999

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
THanae wants to merge 2 commits into
base: master
Choose a base branch
from
+16 −8
Draft

Draft:Remove energy cut on neutrinos for fixed target simulation #999

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
9117f29
Remove energy cut on neutrinos exitHadronAbsorber and FixedTargetGene…
THanae Jan 13, 2026
48e5523
style: pre-commit fixes
pre-commit-ci[bot] Jan 13, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 12 additions & 6 deletions muonShieldOptimization/exitHadronAbsorber.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -89,12 +89,14 @@ Bool_t exitHadronAbsorber::ProcessHits(FairVolume* vol) {
TParticle* p = gMC->GetStack()->GetCurrentTrack();
fUniqueID = p->GetUniqueID();
Int_t pdgCode = p->GetPdgCode();
Int_t idabs = TMath::Abs(pdgCode);
gMC->TrackMomentum(fMom);
if (!(fOnlyMuons && TMath::Abs(pdgCode) != 13)) {
if (!(fOnlyMuons && idabs != 13)) {
fTime = gMC->TrackTime() * 1.0e09;
fLength = gMC->TrackLength();
gMC->TrackPosition(fPos);
if ((fMom.E() - fMom.M()) > EMax) {
if (((fMom.E() - fMom.M()) > EMax) ||
(idabs == 12 || idabs == 14 || idabs == 16)) {
AddHit(fTrackID, 111, TVector3(fPos.X(), fPos.Y(), fPos.Z()),
TVector3(fMom.Px(), fMom.Py(), fMom.Pz()), fTime, fLength, 0,
pdgCode, TVector3(p->Vx(), p->Vy(), p->Vz()),
Expand Down Expand Up @@ -185,15 +187,19 @@ void exitHadronAbsorber::EndOfEvent() {

void exitHadronAbsorber::PreTrack() {
gMC->TrackMomentum(fMom);
if ((fMom.E() - fMom.M()) < EMax) {

TParticle* p = gMC->GetStack()->GetCurrentTrack();
Int_t pdgCode = p->GetPdgCode();
Int_t idabs = TMath::Abs(pdgCode);

if (((fMom.E() - fMom.M()) < EMax) && (idabs != 12) && (idabs != 14) &&
(idabs != 16)) {
gMC->StopTrack();
return;
}
TParticle* p = gMC->GetStack()->GetCurrentTrack();
Int_t pdgCode = p->GetPdgCode();

// record statistics for neutrinos, electrons and photons
// add pi0 111 eta 221 eta' 331 omega 223
Int_t idabs = TMath::Abs(pdgCode);
if (idabs < 18 || idabs == 22 || idabs == 111 || idabs == 221 ||
idabs == 223 || idabs == 331 || idabs == 211 || idabs == 321 ||
idabs == 2212) {
Expand Down
6 changes: 4 additions & 2 deletions shipgen/FixedTargetGenerator.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -473,13 +473,15 @@ Bool_t FixedTargetGenerator::ReadEvent(FairPrimaryGenerator* cpg) {
Double_t m = fPythia->event[ii].m();
Double_t pz = fPythia->event[ii].pz();
Int_t id = fPythia->event[ii].id();
Int_t absid = fabs(id);
Bool_t wanttracking = kTRUE;
if (e - m < EMax || !fPythia->event[ii].isFinal() || pz < 0) {
if (((e - m < EMax) && (absid != 12) && (absid != 14) && (absid != 16)) ||
!fPythia->event[ii].isFinal() || pz < 0) {
wanttracking = kFALSE;
}
if (DrellYan || PhotonCollision || OnlyMuons) {
// don't track underlying event
if (fabs(id) != 13) {
if (absid != 13) {
wanttracking = kFALSE;
}
}
Expand Down
Loading