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Signals of the Giant Pairing Vibration in 14C and 15C nuclei populated by (18O,16O) two-neutron transfer reactions

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Abstract

The 12C(18O,16O)14C and 13C(18O,16O)15C reactions have been explored at 84MeV incident energy and the ejectiles have been detected at forward angles by the MAGNEX spectrometer. Thanks to the peculiarities of MAGNEX and to the ray-reconstruction technique, high-resolution spectra up to 22MeV excitation energy and high-quality cross-section angular distributions have been obtained. In the region above the two-neutron emission threshold, unknown wide structures have been observed in both the 14C and 15C residual nuclei. A detailed analysis of such resonances identifies them as the long-searched Giant Pairing Vibration. These data represent the first experimental signature of it.

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Authors and Affiliations

  1. Laboratori Nazionali del Sud, INFN, Via S. Sofia 62, 95125, Catania, Italy

    D. Carbone

  2. Dipartimento di Fisica e Astronomia, Università degli Studi di Catania and INFN - Laboratori Nazionali del Sud, Catania, Italy

    D. Carbone

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  1. D. Carbone
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Correspondence to D. Carbone.

Additional information

This paper is based on the author’s PhD thesis, that was awarded the INFN “Claudio Villi” Prize in 2014.

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Carbone, D. Signals of the Giant Pairing Vibration in 14C and 15C nuclei populated by (18O,16O) two-neutron transfer reactions. Eur. Phys. J. Plus 130, 143 (2015). https://doi.org/10.1140/epjp/i2015-15143-0

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  • DOI: https://doi.org/10.1140/epjp/i2015-15143-0

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