title: Applicability of the spin-orbit sum rule for the actinide 5f states.
authors.affiliation: Magnetic Spectroscopy, Daresbury Laboratory, Warrington WA4 4AD, United Kingdom.
authors.forename: G
authors.initials: G
authors.lastname: van der Laan
authors.forename: K T
authors.initials: KT
authors.lastname: Moore
authors.forename: J G
authors.initials: JG
authors.lastname: Tobin
authors.forename: B W
authors.initials: BW
authors.lastname: Chung
authors.forename: M A
authors.initials: MA
authors.lastname: Wall
authors.forename: A J
authors.initials: AJ
authors.lastname: Schwartz