Generation of Lambda1520
[u/mrichter/AliRoot.git] / STEER / AliPDG.cxx
index 2b63100459501a49e19c08093bbe22b27fb21baa..904845801efb7d5b7ce1251aabf3d4cfddb45035 100644 (file)
  * provided "as is" without express or implied warranty.                  *
  **************************************************************************/
 
-/*
-$Log$
-Revision 1.3  2001/03/16 09:48:35  morsch
-Exclude pdg particle definitions. Done by root now by default from Pythia6 table.
-
-Revision 1.2  2001/01/31 14:32:42  morsch
-Some B mesons added
-
-Revision 1.1  2000/12/21 16:48:39  morsch
-AliPDG class, first commit.
-
-*/
+/* $Id$ */
 
 // Class to encapsulate the ALICE updates to TDatabasePDG.h
 // Can be used by TGeant3 and TGeant4
@@ -44,15 +33,17 @@ ClassImp(AliPDG)
 // Add particles to the PDG data base
 
     TDatabasePDG *pdgDB = TDatabasePDG::Instance();
-
-    const Int_t kion=10000000;
     const Int_t kspe=50000000;
+/*
+    const Int_t kion=10000000;
 
     const Double_t kAu2Gev=0.9314943228;
     const Double_t khSlash = 1.0545726663e-27;
     const Double_t kErg2Gev = 1/1.6021773349e-3;
     const Double_t khShGev = khSlash*kErg2Gev;
     const Double_t kYear2Sec = 3600*24*365.25;
+
+*/
 //
 // Bottom mesons
 // mass and life-time from PDG
@@ -60,12 +51,27 @@ ClassImp(AliPDG)
   pdgDB->AddParticle("Upsilon(3S)","Upsilon(3S)",10.3552,kTRUE,
                      0,1,"Bottonium",200553);
 
+// QCD diffractive states
+  pdgDB->AddParticle("rho_diff0","rho_diff0",0,kTRUE,
+                    0,0,"QCD diffr. state",9900110);
+  pdgDB->AddParticle("pi_diffr+","pi_diffr+",0,kTRUE,
+                    0,1,"QCD diffr. state",9900210);
+  pdgDB->AddParticle("omega_di","omega_di",0,kTRUE,
+                    0,0,"QCD diffr. state",9900220);
+  pdgDB->AddParticle("phi_diff","phi_diff",0,kTRUE,
+                    0,0,"QCD diffr. state",9900330);
+  pdgDB->AddParticle("J/psi_di","J/psi_di",0,kTRUE,
+                    0,0,"QCD diffr. state",9900440);
+  pdgDB->AddParticle("n_diffr0","n_diffr0",0,kTRUE,
+                    0,0,"QCD diffr. state",9902110);
+  pdgDB->AddParticle("p_diffr+","p_diffr+",0,kTRUE,
+                    0,1,"QCD diffr. state",9902210);
 // Done by default now from Pythia6 table!
 //
 //
 // Ions 
 //
-
+/*
   pdgDB->AddParticle("Deuteron","Deuteron",2*kAu2Gev+8.071e-3,kTRUE,
                      0,1,"Ion",kion+10020);
   pdgDB->AddParticle("Triton","Triton",3*kAu2Gev+14.931e-3,kFALSE,
@@ -74,13 +80,16 @@ ClassImp(AliPDG)
                      khShGev/(12.33*kYear2Sec),2,"Ion",kion+20040);
   pdgDB->AddParticle("HE3","HE3",3*kAu2Gev+14.931e-3,kFALSE,
                      0,2,"Ion",kion+20030);
+*/
 // Special particles
 // 
   pdgDB->AddParticle("Cherenkov","Cherenkov",0,kFALSE,
                     0,0,"Special",kspe+50);
   pdgDB->AddParticle("FeedbackPhoton","FeedbackPhoton",0,kFALSE,
                     0,0,"Special",kspe+51);
-
+  pdgDB->AddParticle("Lambda1520","Lambda1520",1.5195,kFALSE,
+                    0.0156,0,"Resonance",3124);
+  pdgDB->AddAntiParticle("Lambda1520bar",-3124);
 }