COROTATING PARTICLE EVENTS - REPORT OF WORKING GROUP-2

The corotating particle events give us a unique opportunity to probe t he three-dimensional structures of the heliosphere. This is especially true if we have observations over a period of extreme stability of th e CIRs, such as existed over the recent solar minimum. We discuss how the observations fit into the context of current heliospheric magnetic field models. The energetic particle signatures of CIRs throughout th e regions of the heliosphere covered by the deep-space missions are re viewed. The CIRs accelerate these particles and at the same time modul ate both the high energy galactic cosmic rays and the anomalous cosmic rays.