(Smbat Grigoryan)

[u/mrichter/AliRoot.git] / EVGEN / AliGenSTRANGElib.h

diff --git a/EVGEN/AliGenSTRANGElib.h b/EVGEN/AliGenSTRANGElib.h
index 5cb26dd6aaeadc50a6ab4079ef2e2a02db6bdf56..55eb671cf2c0824b62e660805b603bc1d13ad99f 100644 (file)
--- a/EVGEN/AliGenSTRANGElib.h
+++ b/EVGEN/AliGenSTRANGElib.h
@@ -7,13 +7,25 @@
 
 /* $Id$ */
 
+//======================================================================
+//  AliGenSTRANGElib class contains parameterizations of the
+//  kaon, phi and hyperon (Lambda, Anti-Lambda, Xi, anti-Xi, Omega,
+//  anti-Omega)  for the PPR study of the strange particle production. 
+//
+//  Rocco CALIANDRO. Rosa Anna FINI, Tiziano VIRGILI
+//======================================================================
+
 class TRandom;
 
 class AliGenSTRANGElib :
 public AliGenLib
 {
  public:
-    enum constants{kKaon, kPhi, kLambda, kXiMinus, kOmegaMinus};
+    enum constants{kKaon, kPhi, kLambda, kXiMinus, kOmegaMinus, kLambda1520};
+    GenFunc   GetPt(Int_t param, const char* tname=0) const;
+    GenFunc   GetY (Int_t param, const char* tname=0) const;
+    GenFuncIp GetIp(Int_t param, const char* tname=0) const;    
+ private:
 // pions
     static Double_t PtPion(Double_t *px, Double_t *dummy);
     static Double_t PtScal(Double_t pt, Int_t np);
@@ -37,10 +49,11 @@ public AliGenLib
     static Double_t PtOmegaMinus(Double_t *px, Double_t *dummy);
     static Double_t YOmegaMinus( Double_t *py, Double_t *dummy);
     static Int_t    IpOmegaMinus(TRandom *ran);
+// Lambda(1520)
+    static Double_t PtLambda1520(Double_t *px, Double_t *dummy);
+    static Double_t YLambda1520(Double_t *py, Double_t *dummy);
+    static Int_t    IpLambda1520(TRandom *ran);
     
-    GenFunc   GetPt(Int_t param, const char* tname=0);
-    GenFunc   GetY (Int_t param, const char* tname=0);
-    GenFuncIp GetIp(Int_t param, const char* tname=0);    
     ClassDef(AliGenSTRANGElib,0) // Library providing y and pT parameterisations
 };
 #endif
@@ -51,3 +64,10 @@ public AliGenLib
 
 
 
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+