Change TAU to TAU2

Phys/DecayTreeTuple/src/TupleToolPropertime.cpp

@@ -106,7 +106,7 @@ StatusCode TupleToolPropertime::fill( const Particle* mother, const Particle* P,
   }
 
   bool test = true;
-  test &= tuple->column( prefix + "_TAU", pt ); // nanoseconds
+  test &= tuple->column( prefix + "_TAU2", pt*pt ); // nanoseconds
   test &= tuple->column( prefix + "_TAUERR", ept );
   test &= tuple->column( prefix + "_TAUCHI2", chi2 );