The study of spin-1/2 fermions in noncommutative formalism H. Hassanabadi, Z. Derakhshani, N. Salehi and S. Zarrinkamar Eur. Phys. J. Plus, 129 3 (2014) 45 Published online: 20 March 2014 DOI: 10.1140/epjp/i2014-14045-y