A discontinuous Bubnov-Galerkin spectral element spatial discretisation of the first-order form of the neutron transport equation using a discrete ordinate angular discretisation with multidimensional anisotropic dispersion and dissipation analysis - J.I. Mitchell; M.D. Eaton; R.C. Moura; C. Jones; S.G. Wilson; C. Latimer; J. Kópházi (Annals of Nuclear Energy, 2026)