From a1caacccbd92121c5a98b1b6cff875652550b997 Mon Sep 17 00:00:00 2001
From: Alberto Caliva <alberto.caliva@cern.ch>
Date: Tue, 6 Jan 2026 15:33:23 +0100
Subject: [PATCH 1/5] [PWGLF] Add configurable range to limit processed
 systematic variations

---
 PWGLF/Tasks/Nuspex/antinucleiInJets.cxx | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx b/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
index 457a94ef26c..94873180fd2 100644
--- a/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
+++ b/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
@@ -203,6 +203,10 @@ struct AntinucleiInJets {
   // Number of events
   Configurable<int> shrinkInterval{"shrinkInterval", 1000, "variable that controls how often shrinking happens"};
 
+  // Range of systematic variations to be processed
+  Configurable<int> systIndexStart{"systIndexStart", 0, "First systematic index (inclusive)"};
+  Configurable<int> systIndexEnd{"systIndexEnd", 50, "Last systematic index (exclusive)"};
+
   // Coalescence momentum
   Configurable<double> coalescenceMomentum{"coalescenceMomentum", 0.15, "p0 (GeV/c)"};
 
@@ -3276,8 +3280,12 @@ struct AntinucleiInJets {
     static const std::vector<double> ptOverAbins = {0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0};
     const int nBins = ptOverAbins.size() - 1;
 
+    // Clamp systematic index range
+    const int systStart = std::max(0, systIndexStart.value);
+    const int systEnd   = std::min(nSyst, systIndexEnd.value);
+
     // Loop over systematic variations
-    for (int isyst = 0; isyst < nSyst; isyst++) {
+    for (int isyst = systStart; isyst < systEnd; isyst++) {
 
       // Fill event counter for this systematic
       registryCorr.fill(HIST("eventCounter_centrality_fullEvent_syst"), multiplicity, static_cast<double>(isyst));

From 0cccedcfb933daf0a10fb150227d8cda107cc178 Mon Sep 17 00:00:00 2001
From: Alberto Caliva <alberto.caliva@cern.ch>
Date: Tue, 6 Jan 2026 15:39:52 +0100
Subject: [PATCH 2/5] fix clang format

---
 PWGLF/Tasks/Nuspex/antinucleiInJets.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx b/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
index 94873180fd2..6325151f806 100644
--- a/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
+++ b/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
@@ -3282,7 +3282,7 @@ struct AntinucleiInJets {
 
     // Clamp systematic index range
     const int systStart = std::max(0, systIndexStart.value);
-    const int systEnd   = std::min(nSyst, systIndexEnd.value);
+    const int systEnd = std::min(nSyst, systIndexEnd.value);
 
     // Loop over systematic variations
     for (int isyst = systStart; isyst < systEnd; isyst++) {

From 4861386ee1bb83d6af07de54cabb587e33f7d15a Mon Sep 17 00:00:00 2001
From: Alberto Caliva <alberto.caliva@cern.ch>
Date: Tue, 6 Jan 2026 15:46:52 +0100
Subject: [PATCH 3/5] added #include <algorithm>

---
 PWGLF/Tasks/Nuspex/antinucleiInJets.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx b/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
index 6325151f806..e57960e8c84 100644
--- a/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
+++ b/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
@@ -68,6 +68,7 @@
 #include <fastjet/tools/JetMedianBackgroundEstimator.hh>
 #include <fastjet/tools/Subtractor.hh>
 
+#include <algorithm>
 #include <chrono>
 #include <cmath>
 #include <memory>

From 0ed1ffa84d7eeff41c4aa939cc5c65bf66fbb9d3 Mon Sep 17 00:00:00 2001
From: Alberto Caliva <alberto.caliva@cern.ch>
Date: Tue, 6 Jan 2026 17:27:54 +0100
Subject: [PATCH 4/5] fixed min function call

---
 PWGLF/Tasks/Nuspex/antinucleiInJets.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx b/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
index e57960e8c84..00ee025ff44 100644
--- a/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
+++ b/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
@@ -3282,8 +3282,8 @@ struct AntinucleiInJets {
     const int nBins = ptOverAbins.size() - 1;
 
     // Clamp systematic index range
-    const int systStart = std::max(0, systIndexStart.value);
-    const int systEnd = std::min(nSyst, systIndexEnd.value);
+    const int systStart = std::max(0, static_cast<int>(systIndexStart.value));
+    const int systEnd = std::min(nSyst, static_cast<int>(systIndexEnd.value));
 
     // Loop over systematic variations
     for (int isyst = systStart; isyst < systEnd; isyst++) {

From 087368e12706359e1a0f59a390a7c549f74cdf1e Mon Sep 17 00:00:00 2001
From: Alberto Caliva <alberto.caliva@cern.ch>
Date: Tue, 6 Jan 2026 22:13:56 +0100
Subject: [PATCH 5/5] fixed typo

---
 PWGLF/Tasks/Nuspex/antinucleiInJets.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx b/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
index 00ee025ff44..e8c866f7788 100644
--- a/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
+++ b/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx
@@ -3283,7 +3283,7 @@ struct AntinucleiInJets {
 
     // Clamp systematic index range
     const int systStart = std::max(0, static_cast<int>(systIndexStart.value));
-    const int systEnd = std::min(nSyst, static_cast<int>(systIndexEnd.value));
+    const int systEnd = std::min(static_cast<int>(nSyst), static_cast<int>(systIndexEnd.value));
 
     // Loop over systematic variations
     for (int isyst = systStart; isyst < systEnd; isyst++) {