Scattering states of the dirac equation under asymmetric Hulthén potential Hassan Hassanabadi, Elham Maghsoodi, Nasrin Salehi, Akpan N. Ikot and Saber Zarrinkamar Eur. Phys. J. Plus, 128 10 (2013) 127 Published online: 28 October 2013 DOI: 10.1140/epjp/i2013-13127-8