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Nuclear Theory·nucl-th

Thursday·December 13, 2018

4 papers—2 primary·2 cross-listed

All4Primary2Cross-lists2
  1. 01

    [Submitted on 11 Dec 2018]

    Polarisabilities from Compton Scattering on 3He

    Harald W. Griesshammer (George Washington U.)🇺🇸 · Judith A. McGovern (U. of Manchester)🇬🇧

    This executive summary of recent theory progress in Compton scattering off 3He focuses on determining neutron polarisabilities; see ref. [2] and references therein for details and a better bibliography. Prepared for the Proceedings of the 22nd International Conference on Few-Body Problems in Physics, Caen 9-13 July 2018.

    Comments:
    4 pages LaTeX2e (pdflatex) including 3 figures as 6 .pdf files using includegraphics. Prepared for the Proceedings of the 22nd International Conference on Few-Body Problems in Physics, Caen 9-13 July 2018
    Subjects:
    Nuclear Theory (nucl-th); High Energy Physics — Phenomenology (hep-ph)
    arXiv:
    1812.04726 [pdf]
    1 citation
  2. 02

    [Submitted on 12 Dec 2018]

    A Spectral Approach for Solving the Nonclassical Transport Equation

    R. Vasques · L.R.C. Moraes · R.C. Barros · R.N. Slaybaugh

    This paper introduces a mathematical approach that allows one to numerically solve the nonclassical transport equation in a deterministic fashion using classical numerical procedures. The nonclassical transport equation describes particle transport for random statistically homogeneous systems in which the distribution function for free-paths between scattering centers is nonexponential. We use a spectral method to represent the nonclassical flux as a series of Laguerre polynomials in the free-path variable , resulting in a nonclassical equation that has the form of a classical transport equation. We present numerical results that validate the spectral approach, considering transport in slab geometry for both classical and nonclassical problems in the discrete ordinates formulation.

    Comments:
    25 pages, 6 figures, 4 tables
    Subjects:
    Nuclear Theory (nucl-th); Computational Physics (physics.comp-ph)
    arXiv:
    1812.04811 [pdf]
    J.Comput.Phys.(2020)·2 citations

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first authorsco-authorsvia INSPIRE