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Study of the Li-6(n, alpha)H-3 reaction via the H-2 quasi-free break-up

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    0353048 - ÚJF 2011 RIV GB eng J - Journal Article
    Gulino, M. - Spitaleri, C. - Cherubini, S. - Crucilla, V. - La Cognata, M. - Lamia, L. - Pizzone, R. G. - Romano, S. - Sergi, M. L. - Tumino, A. - Li, C. B. - Elekes, Z. - Somorjai, E. - Burjan, Václav - Kroha, Václav - Mukhamedzhanov, A. M.
    Study of the Li-6(n, alpha)H-3 reaction via the H-2 quasi-free break-up.
    Journal of Physics G-Nuclear and Particle Physics. Roč. 37, č. 12 (2010), 125105/1-125105/16. ISSN 0954-3899. E-ISSN 1361-6471
    R&D Projects: GA MŠMT LC07050
    Institutional research plan: CEZ:AV0Z10480505
    Keywords : TROJAN-HORSE METHOD * ASTROPHYSICAL ENERGIES * CROSS-SECTIONS
    Subject RIV: BG - Nuclear, Atomic and Molecular Physics, Colliders
    Impact factor: 1.770, year: 2010

    The quasi-free break-up of deuteron was used to study the neutron-induced Li-6 + n reaction via the H-2(6Li, alpha H-3)p. The aim of the experiment was to check whether the deuteron can be considered as a source of virtual neutrons. This was done by studying the excitation function of the Li-6(n, alpha)H-3 two-body reaction at low energy where the resonance corresponding to the excited level at 7.454MeV of Li-7 is present. Two experimental runs were performed at the Laboratori Nazionali del Sud (LNS) in Catania, Italy. In both experiments, the energy and the position of the outgoing alpha and H-3 particles were measured and the kinematics were reconstructed assuming a proton as the third particle. The quasi-free events were selected in order to reconstruct the Li-6(n, alpha)H-3 cross section in the center-of-mass energy by using the plane wave impulse approximation approach. The obtained cross section is in very good agreement with the directly measured one.
    Permanent Link: http://hdl.handle.net/11104/0192398

     
     
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