Electron Capture and Beta-Decay Rates for the Collapse of O+Ne+Mg Cores Yi Hua Lam, Gabriel Martínez-Pinedo, Karlheinz Langanke, Samuel Jones, Raphael Hirschi, Remco G. T. Zegers and B. Alex Brown EPJ Web of Conferences, 66 (2014) 07011 Published online: 20 March 2014 DOI: 10.1051/epjconf/20146607011