#ifndef _StHbt_phys_constants_h_
#define _StHbt_phys_constants_h_
-#include "PhysicalConstants.h" // from StarClassLibrary
+#include "Base/PhysicalConstants.h" // from StarClassLibrary
// the strangeness guys used a different naming system (of course)
static const double M_LAMBDA = lambda_mass_c2;