Merge branch 'AliceO2Group:dev' into new_new_geometry

Author: pkurash

Common/CMakeLists.txt

@@ -11,6 +11,7 @@
 
 add_subdirectory(Constants)
 add_subdirectory(MathUtils)
+add_subdirectory(TrackTools)
 add_subdirectory(Field)
 add_subdirectory(Types)
 add_subdirectory(Utils)

Common/SimConfig/include/SimConfig/G4Params.h

@@ -14,6 +14,7 @@
 
 #include "CommonUtils/ConfigurableParam.h"
 #include "CommonUtils/ConfigurableParamHelper.h"
+#include "SimulationDataFormat/MonopoleParticles.h"
 
 namespace o2
 {
@@ -80,6 +81,22 @@ struct G4Params : public o2::conf::ConfigurableParamHelper<G4Params> {
   bool g4scoring = false;
   bool g4fluenceweight = false;
 
+  // Enable magnetic-monopole ionisation as defined in Detectors/gconfig/O2MonopolePhysics.
+  // The G4mplIonisation process (Ahlen stopping power) is attached to
+  // the O2 monopole particles (PDG +-4110000 / +-4120000) on top of the chosen
+  // reference physics list. Off by default
+  bool monopole = false;
+  // Monopole magnetic charge in units of the Dirac charge g_D = eplus/(2*alpha)
+  // (~68.5 eplus). 1.0 corresponds to a single classic Dirac monopole.
+  // The monopole is transported with the full dual Lorentz force
+  // F = g*(B - v x E/c^2). The electric part acts inside the TPC field cage,
+  // the only volume with an electric field, and its magnitude is the TPC's own
+  // TPCGEMParam.ElectricField[0]
+  float monopoleMagneticCharge = 1.f;
+  // Monopole mass in GeV, preliminarly applied to all the monopoles species
+  // To-do: allow different monopoles masses in the same run
+  float monopoleMass = static_cast<float>(o2::sim::MonopoleMassDefaultGeV);
+
   // Fast simulation. Empty fastSimModels (the default) disables the feature
   // entirely; see Detectors/gconfig/include/SimSetup/G4FastSimulation.h.
   std::string fastSimModels = "";   // comma-separated model names to activate

Common/TrackTools/CMakeLists.txt

@@ -0,0 +1,30 @@
+# Copyright 2026-2026 CERN and copyright holders of ALICE O2.
+# See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+# All rights not expressly granted are reserved.
+#
+# This software is distributed under the terms of the GNU General Public
+# License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+#
+# In applying this license CERN does not waive the privileges and immunities
+# granted to it by virtue of its status as an Intergovernmental Organization
+# or submit itself to any jurisdiction.
+
+# Expose and install the shared public TrackTools headers without compiled sources.
+o2_add_header_only_library(
+  TrackTools
+  INTERFACE_LINK_LIBRARIES
+    O2::CommonConstants
+    O2::MathUtils
+    O2::ReconstructionDataFormats
+    O2::TPCBase
+    O2::DetectorsBase)
+
+# Keep the portable PyROOT/pytest validation available from the installed O2 module.
+set(TRACKTOOLS_TEST_INSTALL_DIR share/test/TrackTools)
+install(FILES
+  test/python/conftest.py
+  test/python/test_full_state_radius.py
+  test/python/test_sector_rows_primary_baseline.py
+  DESTINATION ${TRACKTOOLS_TEST_INSTALL_DIR}/python)
+install(FILES test/README_TESTS.md
+  DESTINATION ${TRACKTOOLS_TEST_INSTALL_DIR})