Geomagnetic effects on cosmic rays during the very strong magnetic storms in November 2003 and November 2004

A. Belov, L. Baisultanova , R. Buetikofer, E. Eroshenko, E. O. Flueckiger, G. Mariatos, H. Mavromichalaki, V. Pchelkin and V.Yanke (a) Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation RAS (IZMIRAN), 142190, Troitsk, Moscow region, Russia (b) Physikalisches Institut, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland (c) Nuclear and Particle Physics Section, Physics Department, Athens University, Pan/polis-Zografos, 15771 Athens, Greece (d) Polar Geophysical Institute, 183010 Murmansk, Russia Presenter: E. Eroshenko (erosh@izmiran.rssi.ru ), rus-eroshenko-E-abs1-sh35-oral