Importance of a consistent choice of α S in the matching of AlpGen and Pythia B. Cooper, J. Katzy, M.L. Mangano, A. Messina, L. Mijović and P. Skands Eur. Phys. J. C, 72 7 (2012) 2078 Published online: 31 July 2012 DOI: 10.1140/epjc/s10052-012-2078-y