Abstract
The hyperfine structure and isotope shift of108gIn and108mIn have been investigated by means of collinear fast-beam laser spectroscopy in the resonance line atλ=451 nm. The indium isotopes were prepared at the GSI on-line mass separator following a fusion evaporation reaction. For the first time, a FEBIAD ion source with bunched release of indium was used. Magnetic dipole moments, electric quadrupole moments and isotope shifts were determined. The present results lead us to assign the spinI=2 to the108In (T 1/2=40 min) state. Spins and moments are discussed in the framework of thejj-coupling model.
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The help of G.E. Rathke, K. Rykaczewski, C. Bruske, K. Burkard, W. Hüller and other members of the GSI mass separator group as well as the support of the UNILAC operating crew and the GSI Target Laboratory are gratefully acknowledged.
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Eberz, J., Dinger, U., Horiguchi, T. et al. Collinear laser spectroscopy on108g, 108mIn using an ion source with bunched beam release. Z. Physik A - Atomic Nuclei 323, 119–123 (1986). https://doi.org/10.1007/BF01294563
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DOI: https://doi.org/10.1007/BF01294563