#NEWLINE# @ ValidateLarchPlugin #NEWLINE# def CK_probability( element , initial , final , total = True , _larch = None ) : #NEWLINE# #INDENT# "return transition probability for an element, initial, and final levels.\n\n    arguments\n    ---------\n    element:     atomic number, atomic symbol for element\n    initial:     initial level ('K', 'L1', ...)\n    final:       final level ('L1', 'L2', ...)\n    total:       whether to include transitions via possible intermediate\n                 levels (default = True)\n\n    Data from Elam, Ravel, and Sieber.\n    " #NEWLINE# xdb = get_xraydb ( _larch ) #NEWLINE# return xdb . CK_probability ( element , initial , final , total = total )