New Methods and New Results in the Three-Nucleon Continuum including Three-Nucleon-Forces

Details New Methods and New Results in the Three-Nucleon Continuum including Three-Nucleon-Forces New Methods and New Results in the Three-Nucleon Continuum including Three-Nucleon-Forces

Oct 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aps..dnp..ac02h&link_type=abstract

American Physical Society, Division of Nuclear Physics Meeting, October 5-8, 1997, abstract #AC.02

Physics

Nuclear Physics

Scientific paper

We introduced a new single Faddeev equation(D. Hüber et al.), Acta Phys. Pol. B28 (1997) 1677 for the inclusion of a 3NF into the 3N continuum, leading to a significantly more efficient numerical algorithm. Another step forward is a new partial wave decomposition (PWD) for the 3NF(D. Hüber et al.), will appear in Few-Body Systems 22 (1997), which avoids an intractable numerical difficulty showing up in the PWD used up to now for partial waves with j>2. We applied the new PWD to the Tuscon-Melbourne (TM) 3NF. In order to get rid of the ambiguity in the cut-off parameter Λ in the strong form factors of the TM 3NF we fitted Λ to the experimental value of the triton binding energy for all modern, phase equivalent NN forces(A. Nogga et al.), will appear in Phys. Lett. B. With these 3N Hamiltonians we calculated the elastic Nd spin transfers K_y^y' and K_z^x' and compared them to recent nd(P. Hempen et al.), submitted for publication and pd(L. Sydow, et al.), submitted for publication measurements. These observables scale with the triton binding energy and agree well with the pd data, but lie somewhat below the nd data.

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