Skip to content

[PWGLF] Nuspex: hadron nuclei correlation: fix proton rejection #18333

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

Merged
vkucera merged 2 commits into from
Oct 16, 2026
Merged

[PWGLF] Nuspex: hadron nuclei correlation: fix proton rejection #18333

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
4053ba6
fix proton rejection
ercolessi Oct 16, 2026
43d863a
fix proton rejection
ercolessi Oct 16, 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
10 changes: 5 additions & 5 deletions PWGLF/Tasks/Nuspex/hadronnucleicorrelation.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -622,13 +622,13 @@ struct HadronNucleiCorrelation {
const bool isTOFPID = std::abs(track.tofNSigmaDe()) < nsigmaTOF.value;
const bool isTPCElRejection = rejectionEl.value && track.beta() < BetahasTOFthr && track.pt() < pTthrdeTPCEl.value && track.tpcNSigmaEl() >= nsigmaElDe.value;
const bool isITSPID = track.itsNSigmaDe() > nsigmaITSDe.value;
const bool isNotPr = (std::abs(track.tpcNSigmaPr()) >= nsigmaTPCPrRej.value && std::abs(track.tofNSigmaPr()) >= nsigmaTOFPrRej.value) || !doPrRej.value;
const bool isPr = (std::abs(track.tpcNSigmaPr()) < nsigmaTPCPrRej.value && std::abs(track.tofNSigmaPr()) < nsigmaTOFPrRej.value) && doPrRej.value;

const bool isQuadraticPID = std::hypot(track.tpcNSigmaDe(), track.tofNSigmaDe()) < nsigmaQuadratic.value;

// Check if the sign of the track matches the expected sign for deuterons or antideuterons
const bool signCheck = (sign > 0 && track.sign() > 0) || (sign < 0 && track.sign() < 0);
if (!isNotPr) {
if (isPr) {
return false;
}
if (!doQuadraticPID.value) {
Expand Down Expand Up @@ -1031,15 +1031,15 @@ struct HadronNucleiCorrelation {

const bool isTPCElRejection = rejectionEl.value && track.beta() < BetahasTOFthr && track.pt() < pTthrdeTPCEl.value && track.tpcNSigmaEl() >= nsigmaElDe.value;
const bool isTOFPID = std::abs(track.tofNSigmaDe()) < nsigmaTOF.value;
const bool isNotPr = (std::abs(track.tpcNSigmaPr()) >= nsigmaTPCPrRej.value && std::abs(track.tofNSigmaPr()) >= nsigmaTOFPrRej.value) || !doPrRej.value;
const bool isPr = (std::abs(track.tpcNSigmaPr()) < nsigmaTPCPrRej.value && std::abs(track.tofNSigmaPr()) < nsigmaTOFPrRej.value) && doPrRej.value;

if (track.sign() > 0) {

if (track.pt() >= pTthrprTOF.value || !doITSPID.value || track.itsNSigmaPr() > nsigmaITSPr.value) {
registryQa.fill(HIST("QA/h3dTPCTOF_Pr"), track.tpcNSigmaPr(), track.tofNSigmaPr(), track.pt());
}
if (track.pt() >= pTthrdeTOF.value || !doITSPID.value || track.itsNSigmaDe() > nsigmaITSDe.value) {
if (isNotPr) {
if (!isPr) {
registryQa.fill(HIST("QA/h3dTPCTOF_De"), track.tpcNSigmaDe(), track.tofNSigmaDe(), track.pt());
if (isTPCElRejection || isTOFPID) {
registryQa.fill(HIST("QA/h3dTPCTOF_De_Rej"), track.tpcNSigmaDe(), track.tofNSigmaDe(), track.pt());
Expand All @@ -1052,7 +1052,7 @@ struct HadronNucleiCorrelation {
registryQa.fill(HIST("QA/h3dTPCTOF_AntiPr"), track.tpcNSigmaPr(), track.tofNSigmaPr(), track.pt());
}
if (track.pt() >= pTthrdeTOF.value || !doITSPID.value || track.itsNSigmaDe() > nsigmaITSDe.value) {
if (isNotPr) {
if (!isPr) {
registryQa.fill(HIST("QA/h3dTPCTOF_AntiDe"), track.tpcNSigmaDe(), track.tofNSigmaDe(), track.pt());
if (isTPCElRejection || isTOFPID) {
registryQa.fill(HIST("QA/h3dTPCTOF_AntiDe_Rej"), track.tpcNSigmaDe(), track.tofNSigmaDe(), track.pt());
Expand Down
Loading