Non-standard interactions using the OPERA experiment Mattias Blennow, Davide Meloni, Tommy Ohlsson, Francesco Terranova and Mattias Westerberg Eur. Phys. J. C, 56 4 (2008) 529-536 Published online: 07 August 2008 DOI: 10.1140/epjc/s10052-008-0683-6