Possibility to change the collision system.

[u/mrichter/AliRoot.git] / PYTHIA6 / AliGenPythia.h

diff --git a/PYTHIA6/AliGenPythia.h b/PYTHIA6/AliGenPythia.h
index 93e0d575e7e0ec6cb3971f01d0cf2f4645a1a10e..7fc76adad15e23888af17edcc2ada8f4c9967001 100644 (file)
--- a/PYTHIA6/AliGenPythia.h
+++ b/PYTHIA6/AliGenPythia.h
@@ -68,6 +68,8 @@ class AliGenPythia : public AliGenMC
     virtual void    SetEnergyCMS(Float_t energy = 5500) {fEnergyCMS = energy;}
     // Treat protons as inside nuclei with mass numbers a1 and a2
     virtual void    SetNuclei(Int_t a1, Int_t a2, Int_t pdfset = 0);
+    // Set colliding nuclei ("p","n",...)
+    virtual void    SetCollisionSystem(TString projectile, TString target) { fProjectile = projectile; fTarget = target; }
     virtual void    SetNuclearPDF(Int_t pdf) {fNucPdf = pdf;}
     //
     // Trigger options