The physics of plasma-driven accelerators and accelerator-driven fusion : the Proceedings of Norman Rostoker Memorial Symposium : Newport Beach, CA, USA, 24-25 August 2015 / editors, Toshiki Tajima, University of California, Irvine, California, USA, Michl Binderbauer, Tri Alpha Energy, Foothill Ranch, California, USA ; sponsoring organizations, University of California, Irvine, Tri Alpha Energy.