deal Fission Yield in decay and reaction

git-svn-id: svn+ssh://svn.in2p3.fr/class@171 0e7d625b-0364-4367-a6be-d5be4a48d228

source/trunk/include/DataBank.hxx

@@ -124,6 +124,7 @@ public :
 protected :
 
 	double  fShorstestHalflife;
+	int	fZAIThreshold;	//!< Highest Mass deal bye the evolution (default 90)
 
 	string			fDataFileName;
 	string			fDataDirectoryName;