Schedule 0 3:40 PM - 4:00 PM [HEDS-7-01] Charge coupling in multi-stage Laser Wakefield Acceleration *Naveen Chandra Pathak1,2, Zhan Jin2, Yasuo Sakai1,2, Keichi Sueda2, Alexei Zhidkov1,2, Ryosuke Kodama1, Tomonao Hosokai1,2 (1. Osaka University, Japan, 2. Riken Spring8)