Neutron-skin thickness in neutron-rich isotopes - INSPIRE

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Neutron-skin thickness in neutron-rich isotopes

2004

11 pages

Published in:

Nucl.Phys.A 731 (2004) 224-234

Published: 2004

DOI:

10.1016/j.nuclphysa.2003.11.034

View in:

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Abstract: (Elsevier)

After a short overview of the methods applied for measuring the neutron-skin thickness, we present the recent experimental results for the neutron-skin thicknesses of the 112–124 Sn even-even isotopes and of 208 Pb. We have used inelastic alpha scattering to excite the giant dipole resonance (GDR). The cross section of this process depends strongly on ΔR np /R, the relative neutron-skin thickness. We have also measured the excitation of the spin-dipole resonance (SDR) to deduce the neutron-skin thickness since the summed L=1 strength of the SDR is sensitive to it. The results obtained are in good agreement with the previous experimental and theoretical ones.

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