The photino sector and a confining potential in a supersymmetric Lorentz-symmetry-violating model H. Belich, L. D. Bernald, Patricio Gaete and J. A. Helayël-Neto Eur. Phys. J. C, 73 11 (2013) 2632 Published online: 05 November 2013 DOI: 10.1140/epjc/s10052-013-2632-2