A new method for measuring neutron-skin thickness in rare isotope beams
- Krasznahorkay, A.
- Csatlos, M.
- Stuhl, L.
- Algora, A.
- Gulyas, J.
- Timar, J.
- Paar, N.
- Vretenar, D.
- Harakeh, M. N.
Publication date
March 2013
DOIAbstract
A new method, based on the excitation of the anti-analog giant dipole resonance (AGDR) in (p, n) reaction, for measuring the neutron-skin thickness has been tested. The gamma-decay of the AGDR to the isobaric analog state (IAS) has been measured. The difference in excitation energy of the AGDR and IAS was calculated. By comparing the theoretical results with the measured one, the Delta R-pn value for Sn-124 was deduced to be 0.209 +/- 0.066 fm. The present method provides a new possibility for measuring neutron-skin thickness of very exotic nuclei
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