title: Isospin symmetry of odd-odd mirror nuclei: identification of excited states in N=Z-2 48Mn.
abstract: Excited states have been observed in the N=Z-2 odd-odd nucleus 48Mn for the first time. Through comparison with the structure of 48V, a first high-spin study of an odd-odd mirror pair has been achieved. Differences between the T=1 analogue states in this pair have been interpreted in terms of Coulomb effects, with the aid of shell-model calculations in the full pf valence space. Unlike other mirror pairs, the energy differences have been interpreted almost entirely as due to a monopole effect associated with smooth changes in radius (or deformation) as a function of angular momentum. In addition, the large energy shift between analogue negative-parity states is interpreted in terms of the electromagnetic spin-orbit interaction in nuclei.
authors.affiliation: Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom.
authors.forename: M A
authors.initials: MA
authors.lastname: Bentley
authors.forename: C
authors.initials: C
authors.lastname: Chandler
authors.forename: M J
authors.initials: MJ
authors.lastname: Taylor
authors.forename: J R
authors.initials: JR
authors.lastname: Brown
authors.forename: M P
authors.initials: MP
authors.lastname: Carpenter
authors.forename: C
authors.initials: C
authors.lastname: Davids
authors.forename: J
authors.initials: J
authors.lastname: Ekman
authors.forename: S J
authors.initials: SJ
authors.lastname: Freeman
authors.forename: P E
authors.initials: PE
authors.lastname: Garrett
authors.forename: G
authors.initials: G
authors.lastname: Hammond
authors.forename: R V F
authors.initials: RV
authors.lastname: Janssens
authors.forename: S M
authors.initials: SM
authors.lastname: Lenzi
authors.forename: C J
authors.initials: CJ
authors.lastname: Lister
authors.forename: R
authors.initials: R
authors.lastname: du Rietz
authors.forename: D
authors.initials: D
authors.lastname: Seweryniak