Probing neutron pair transfer with borromean isotopes of helium

Abstract : Recent developments in reaccelerated beams and the associated improvement in experimental techniques have now made it possible to measure the pair and single neutron transfer reactions involving short-lived nuclei far from the valley of stabil-ity. Reactions involving Borromean nuclei, such as 6,8He and 11Li, whose binding arises essentially from pairing correlations and can be characterized as a pure embodiment of the Cooper effect, provide an ideal laboratory towards probing features of pairing correlations in a dynamical regime different from macroscopic superconductors. Here we present an overview of experimental challenges and the progress made in the deconvolution of one-and two-neutron transfer cross sec-tions using beams of 6,8He, on targets with A > 50 in the vicinity of the Coulomb barrier.
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Submitted on : Wednesday, September 28, 2016 - 2:49:44 PM
Last modification on : Wednesday, April 4, 2018 - 7:58:06 AM

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A. Navin, A. Lemasson. Probing neutron pair transfer with borromean isotopes of helium . Fifty Years of Nuclear BCS: Pairing in Finite Systems , World Scientific Publishing Co., pp.393-404, 2013, 978-981441249-0;978-981441248-3. ⟨10.1142/9789814412490_0029⟩. ⟨in2p3-01373295⟩

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