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Brusegan, A., Rohr, G., Shelley, R., Macavero, E., Van Der Vorst, C., Poortmans, F., Mewissen, I. and Vanpraet, G. (1994) Very High Resolution Transmission Measurements and Resonance Parameters of Ni58 and Ni60.

has been cited by the following article:

  • TITLE: Space-Time Description of Cross Sections and Durations of Neutron-Nucleus Scattering near 1 - 2 Resonances in the C- and L-Systems

    AUTHORS: V. S. Olkhovsky

    KEYWORDS: Space-Time Approach to Nuclear Collision, Time Delay, Time Advance, Transformations of Cross Sections from the C-System to the L-System, Interference Phenomena

    JOURNAL NAME: Open Access Library Journal, Vol.2 No.7, July 20, 2015

    ABSTRACT: The appearance of time advance (due to distortion by the non-resonant background) instead of the expected time delay in the region of a compound-nucleus resonance in the center-of-mass (C-) system is known. Here at the same conditions we study cross sections and durations of the neutron-nucleus scattering in the laboratory (L-) system. Here there are a review of papers where it is shown that such time advance is a virtual paradox and in the L-system the time-advance phenomenon does not occur and only the trivial time delay is observed. At the same time the transformations from C-system into the L-system appear to be different from the standard kinematical transformations because in the C-system the motion of a compound nucleus is absent but it is present in the L-system. Here we analyze the initial wave-packet motion (after the collision origin) and the cross section in the laboratory (L-) system. Also here (as physical revelations of profound general methodic and in very good consistent accordance with the experiment) several results of the calculated cross sections for the neutron-nucleus in comparison with the experimental data in the L-system at the range of one or two overlapped compound resonances are presented. It is shown in the space-time approach that the standard cinematic transformations of cross sections from the C-system to the L-system are not valid because it is necessary to consider the center-of-mass motion in the L-system. Finally on a correct self-consistent base of the space-time description of the nuclear processes in the laboratory system with 3 particles in the final channel, the validity of the former approach is shown, which is obtained for the space-time description of the nuclear processes with 2-particle channels earlier.