Influence of anisotropy, tilt and pairing of Weyl nodes: the Weyl semimetals TaAs, TaP, NbAs and NbP Davide Grassano, Olivia Pulci, Elena Cannuccia and Friedhelm Bechstedt Eur. Phys. J. B, 93 8 (2020) 157 Published online: 17 August 2020 DOI: 10.1140/epjb/e2020-10110-x