initialisation with a existing level scheme by copying it (copy constructor for level scheme)
Check out what happens when a link is not bind to two levels
initialisation with a existing level scheme by copying it (copy constructor for level scheme)
Check out what happens when a link is not bind to two levels
a member function that initialises the X-rays list by consulting a DataCenter.
URGENT: set the correct x-rays properties (conversion,multipolarity ..). For the moment only copy of this