feat(r3bgen): Add method to select only p2p and ppn reactions in the INCL generator.

fix(r3bgen): Allow for non-QF p2p selection.

Author: pgrusell

r3bgen/R3BINCLRootGenerator.cxx

@@ -98,6 +98,29 @@ bool R3BINCLRootGenerator::ReadEvent(FairPrimaryGenerator* primGen)
                 fEvt++;
             }
         }
+
+        else if (fOnlyP2pSpallation)
+        {
+            Int_t nbp = 0;
+            for (Int_t j = 0; j < fParticles; j++)
+                if (fOrigin[j] == 0)
+                    validevent = true;
+            if (!validevent)
+            {
+                fEvt++;
+            }
+
+            for (Int_t j = 0; j < fParticles; j++)
+                if (fPdgCode[j] == 2212)
+                    nbp++;
+
+            if (nbp != 2 && validevent)
+            {
+                fEvt++;
+                validevent = false;
+            }
+        }
+
         else if (fOnlyP2pFission)
         {
             Int_t nbp = 0;
@@ -119,6 +142,34 @@ bool R3BINCLRootGenerator::ReadEvent(FairPrimaryGenerator* primGen)
                 validevent = false;
             }
         }
+
+        else if (fOnlyPpnSpallation)
+        {
+            Int_t nbp = 0;
+            Int_t nbn = 0;
+            for (Int_t j = 0; j < fParticles; j++)
+                if (fOrigin[j] == 0)
+                    validevent = true;
+            if (!validevent)
+            {
+                fEvt++;
+            }
+
+            for (Int_t j = 0; j < fParticles; j++)
+            {
+                if (fPdgCode[j] == 2212)
+                    nbp++;
+                if (fPdgCode[j] == 2112)
+                    nbn++;
+            }
+
+            if ((nbp != 1 || nbn != 1) && validevent)
+            {
+                fEvt++;
+                validevent = false;
+            }
+        }
+
         else
         {
             validevent = true;

r3bgen/R3BINCLRootGenerator.h

@@ -75,6 +75,16 @@ class R3BINCLRootGenerator : public FairGenerator
      **/
     void SetOnlyP2pFission(bool Opt = true) { fOnlyP2pFission = Opt; }
 
+    /**
+     **  Method to simulate only p2p-spallation events
+     **/
+    void SetOnlyP2pSpallation(bool Opt = true) { fOnlyP2pSpallation = Opt; }
+
+    /**
+     **  Method to simulate only ppn-spallation events
+     **/
+    void SetOnlyPpnSpallation(bool Opt = true) { fOnlyPpnSpallation = Opt; }
+
     /**
      **  Method to simulate only fragments (changed with SetMinPdgCode)
      **/
@@ -90,11 +100,13 @@ class R3BINCLRootGenerator : public FairGenerator
   private:
     TString fFileName; // Input file name
     TFile* fInput;
-    bool fOnlyFission = false;    // True if we want to simulate only fission events
-    bool fOnlyP2pFission = false; // True if we want to simulate only p2p-fission events
-    bool fOnlySpallation = false; // True if we want to simulate only spallation events
-    bool fOnlyFragments = false;  // True if we want to simulate only fragments
-    int fPdgCodeMin = 1000050070; // Limit in Boro-7
+    bool fOnlyFission = false;       // True if we want to simulate only fission events
+    bool fOnlyP2pFission = false;    // True if we want to simulate only p2p-fission events
+    bool fOnlyP2pSpallation = false; // True if we want to simulate only p2p-spallation events
+    bool fOnlyPpnSpallation = false; // True if we want to simulate only ppn-spallation events
+    bool fOnlySpallation = false;    // True if we want to simulate only spallation events
+    bool fOnlyFragments = false;     // True if we want to simulate only fragments
+    int fPdgCodeMin = 1000050070;    // Limit in Boro-7
     double fRotXBeam = 0.;
     double fRotYBeam = 0.;