Abstract:
Laser spectroscopy measurements have been carried out on the very neutron-rich tin isotopes with the COMPLIS experimental setup. Using the 5s 25p 23P 0 → 5s 25p6s 3P 1 optical transition, hyperfine spectra of 126-132Sn and 125m, 127m, 129m-131mSn where recorded for the first time. The variation of the mean-square charge radius ( δ〈r 2〉) between these nuclei and nuclear moments of the isomers and the odd isotopes were thus measured. An odd-even staggering which inverts at A = 130 is clearly observed. This indicates a small appearance of a plateau on the δ〈r 2〉 which has to be confirmed by measuring the isotope shift beyond A = 132.
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Received: 21 March 2002 / Accepted: 16 May 2002 / Published online: 31 October 2002
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Le Blanc, F., Cabaret, L., Crawford, J. et al. Charge radius change in the heavy tin isotopes until A = 132 from laser spectroscopy. Eur Phys J A 15, 49–51 (2002). https://doi.org/10.1140/epja/i2001-10225-9
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DOI: https://doi.org/10.1140/epja/i2001-10225-9