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Creators/Authors contains: "Coil, S."

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  1. Pakou, A; Souliotis, G; Moustakidis, C (Ed.)
    In this work, we report the measurement of elastic and Coulomb break-up channels in6He+208Pb collisions at Elab= 19.3 MeV, close to the Coulomb barrier of this system ∼ 19 MeV. In the context of the astrophysical r-process, the reaction4He(2n,γ)6He has been proposed to be a key reaction in the path of synthesizing seed nuclei for the r-process, as12C, in an environment composed mainly of alpha particles and neutrons. Based on a theoretical approach for treating three body reactions by means of which its reaction rate can be inferred, our experimental approach aims to obtain an indirect measurement of the reaction rate of4He(2n,γ)6He by measuring the Coulomb breakup of6He under the intense electric field produced by a208Pb target nucleus. The experiment was carried out at the TriSol facility operated in the Nuclear Science Laboratory of the University of Notre Dame, USA, which delivered a6He beam together with other contaminants. Particular care must be taken for the alpha particles produced in the production reaction. 
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  2. null (Ed.)