Probing R-parity violating interactions from top-quark polarization at LHC Peiying Li, Gongru Lu, Jin Min Yang and Huanjun Zhang Eur. Phys. J. C, 51 1 (2007) 163-168 Published online: 01 June 2007 DOI: 10.1140/epjc/s10052-007-0290-y