The Heisenberg spinor field classification and its interplay with the Lounesto’s classification Marcos R. A. Arcodía, Mauricio Bellini and Roldão da Rocha Eur. Phys. J. C, 79 3 (2019) 260 Published online: 21 March 2019 DOI: 10.1140/epjc/s10052-019-6778-4