Solar Energetic Particle Acceleration at a Spherical CME-Driven Shock with the Shock Normal Angle Evolving in Space and Time

Xiaohang Chen, University of Arizona, Tucson, AZ, United States, Joe Giacalone, University of Arizona, Planetary Sciences, Tucson, AZ, United States and Fan Guo, Los Alamos National Laboratory, Los Alamos, NM, United States