29 research outputs found

    Microscopic calculation of the spin-dependent neutron scattering lengths on 3He

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    We report on the spin.dependent neutron scattering length on 3He from a microscopic calculation of p-3H, n-3He, and d-2H scattering employing the Argonne v18 nucleon-nucleon potential with and without additional three-nucleon force. The results and that of a comprehensive R-matrix analysis are compared to a recent measurement. The overall agreement for the scattering lengths is quite good. The imaginary parts of the scattering lengths are very sensitive to the inclusion of three-nucleon forces, whereas the real parts are almost insensitive.Comment: 9 pages, 1 figur

    Experimente zur Bestimmung der Wirkungsquerschnitte fuer das n- He-System im Energiebereich von 1 bis 40 MeV

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    Dissertation submitted to Karlsruhe Univ. (TH) (Germany, F.R.). Fakultaet fuer PhysikSIGLEDEGerman

    Calculation of neutron- He

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