diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 01ee584aa9bb534fcdda0bbd53c68f620838bcc8..32f5564b5637798468d993b5c56d359cde6392eb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -97,7 +97,7 @@ roman_pot_simu:
     - bash trackers/roman_pot_simu.sh
   allow_failure: true
 
-roman_pot_benchmark:
+roman_pot_nhits:
   stage: benchmarks
   tags:
     - sodium
@@ -107,6 +107,15 @@ roman_pot_benchmark:
     - root -b -q trackers/simple_tracking.cxx+
   allow_failure: true
 
+roman_pot_eta:
+  stage: benchmarks
+  tags:
+    - sodium
+  script:
+    - cp NPDet/src/GenericDetectors/trackers/compact/elements.xml trackers/.
+    - cp NPDet/src/GenericDetectors/trackers/compact/materials.xml trackers/.
+    - root -b -q trackers/roman_pot_eta.cxx+
+  allow_failure: true
 
 deploy_results:
   stage: deploy
diff --git a/trackers/roman_pot_hit_eta.cxx b/trackers/roman_pot_hit_eta.cxx
new file mode 100644
index 0000000000000000000000000000000000000000..68ce5151d076138f62d5c21da18296d3eb845822
--- /dev/null
+++ b/trackers/roman_pot_hit_eta.cxx
@@ -0,0 +1,62 @@
+//R__LOAD_LIBRARY(libfmt.so)
+//#include "fmt/core.h"
+R__LOAD_LIBRARY(libDDG4IO.so)
+//
+//#include "DD4hep/Detector.h"
+#include "DDG4/Geant4Data.h"
+//#include "DDRec/CellIDPositionConverter.h"
+//#include "DDRec/SurfaceManager.h"
+//#include "DDRec/Surface.h"
+#include "ROOT/RDataFrame.hxx"
+//
+//#include "lcio2/MCParticleData.h"
+//#include "lcio2/ReconstructedParticleData.h"
+
+//#include "Math/Vector3D.h"
+//#include "Math/Vector4D.h"
+//#include "Math/VectorUtil.h"
+#include "TCanvas.h"
+//#include "TLegend.h"
+//#include "TMath.h"
+//#include "TRandom3.h"
+//#include "TFile.h"
+//#include "TH1F.h"
+//#include "TH1D.h"
+//#include "TTree.h"
+#include "TChain.h"
+//#include "TF1.h"
+#include <random>
+//#include "lcio2/TrackerRawDataData.h"
+//#include "lcio2/TrackerRawData.h"
+
+void simple_tracking2(const char* fname = "../sim_output/roman_pot_out.root"){
+
+  ROOT::EnableImplicitMT(); // Tell ROOT you want to go parallel
+  double degree = TMath::Pi()/180.0;
+
+  TChain* t = new TChain("EVENT");
+  t->Add(fname);
+
+  ROOT::RDataFrame d0(*t);
+  auto hits_eta = [&](const std::vector<dd4hep::sim::Geant4Tracker::Hit*>& hits){
+	  std::vector<double> result;
+	  for (const auto& h: hits){
+		  result.push_back(h->momentum.eta());
+	  }
+	  return result;
+  };
+
+  auto d1 = d0.Define("hits_eta", hits_eta, {"ForwardRomanPotHits"});
+
+  auto h1 = d1.Histo1D(TH1D("h1", "hits_eta", 300, 0,20), "hits_eta");
+  auto n1 = h1->GetMean();
+  std::cout << "Pseudorapidity of hits: " << n1 << std::endl;
+  TCanvas* c = new TCanvas();
+  h1->DrawClone();
+
+  if (n1 < 5) {
+	  std::quick_exit(1);
+  }
+
+}
+