Charge asymmetry ratio as a probe of quark flavour couplings of resonant particles at the LHC Chun-Hay Kom and W.James Stirling Eur. Phys. J. C, 71 2 (2011) 1546 Published online: 01 February 2011 DOI: 10.1140/epjc/s10052-011-1546-0