Role of Heliospheric Current Sheet in High Energy Solar Energetic Particle Events

Silvia Dalla1, Markus C Battarbee2, Bill Swalwell1, Michael S Marsh3 and Timo LM Laitinen1, (1)Univ. of Central Lancashire, Preston, United Kingdom, (2)University of Helsinki, Department of Physics, Helsinki, Finland, (3)Met Office, Exeter, United Kingdom