Anomalous Coulomb matrix elements in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>f</mml:mi></mml:mrow><mml:mrow><mml:mn>7</mml:mn><mml:mo>/</mml:mo><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>shell
Spencer J. WilliamsSchool of Chemistry and Physics, Keele University, Staffordshire ST5 5BG, United KingdomM. A. BentleySchool of Chemistry and Physics, Keele University, Staffordshire ST5 5BG, United KingdomD. D. WarnerCLRC Daresbury Laboratory, Daresbury, Warrington WA4 4AD, United KingdomA. M. BruceSchool of Engineering, University of Brighton, Brighton BN2 4GJ, United KingdomJ. A. CameronDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4K1M. P. CarpenterArgonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, USAP. FallonLawrence Berkeley National Laboratory, Berkeley, California 94720, USAL. FranklandSchool of Engineering, University of Brighton, Brighton BN2 4GJ, United KingdomW. GelletlySchool of Physics and Chemistry, University of Surrey, Guildford, Surrey GU2 7XH, United KingdomR. V. F. JanssensArgonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, USAD. T. JossCLRC Daresbury Laboratory, Daresbury, Warrington WA4 4AD, United KingdomC. D. O’LearyDepartment of Physics, University of York, Heslington, York YO10 5DD, United KingdomC. J. ListerArgonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, USAA. PovesDepartamento de Física Teórica C-XI, Universidad Autónoma de Madrid, E-28049, SpainP. H. ReganSchool of Physics and Chemistry, University of Surrey, Guildford, Surrey GU2 7XH, United KingdomP. ReiterB. RubioCSIC, Universitat de València, E-46071 València, SpainD. SeweryniakArgonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, USAC. E. SvenssonDepartment of Physics, University of Guelph, Guelph, Ontario, Canada N1G 2W1S. M. VincentSchool of Physics and Chemistry, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom
2003lv
ABI
Annotatsiya
$\ensuremath{\gamma}$ decays from high-spin states in the $N=Z\ensuremath{-}1$ nucleus ${}_{27}^{53}{\mathrm{Co}}_{26}$ have been identified for the first time. Level energies and Coulomb energy differences between these states and their analogs in its mirror nucleus ${}^{53}\mathrm{Fe}$ have been compared with large-scale $\mathrm{pf}$ shell-model calculations, which offer excellent agreement. New information has been obtained on two-proton Coulomb matrix elements needed in the interpretation. These have been extracted from the data via a number of methods and are shown to exhibit an anomalous behavior for the $J=2$ coupling.
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