Physics of auroral phenomena : proceedings of the 40th annual seminar, Apatity, 13-17 March, 2017 / [ed. board: N. V. Semenova, A. G. Yahnin]. - Апатиты : Издательство Кольского научного центра РАН, 2017. - 143 с. : ил., табл.

“Physics o f Auroral Phenomena”, Proc. XL Annual Seminar, Apatity, pp. 6-10, 2017 © Polar Geophysical Institute, 2017 Polar Geophysical Institute Dedicated to the memory o f Ludmila Vasilievna Tverskaya AURORAL OVAL AND OUTER ELECTRON RADIATION BELT E.E. Antonova1,2, V.G. Vorobjev3, M.O. Riazantseva2, P. Kirpichev2, O.I. Yagodkina3,1.L . O vch inn ikov1, V.V. Vovchenko2, M.S. Pulinets1, S.S. Znatkova1, A.I. Demianov4, N.A. Sotnikov4, M.V. S tepanova5, P.S. Moya6, V.A. Pinto7 ]Skobeltsyn Institute o f Nuclear Physics, Moscow State University, Moscow, 119991, Russia, e-mail: elizaveta. antonova@gmail. com 2Space Research Institute (1K1) Russian Academy o f Science, Moscow, Russia 'Polar Geophysical Institute, Apatity, Russia 4Physicalfaculty Moscow State University, Moscow, Russia 5University o f Santiago de Chile, Chile 6Universidad de Chile, Santiago, Chile 1 Department o f Atmospheric and Oceanic Sciences, University o f California, Los Angeles, California, USA Abstract. We try to summarize results of experimental and theoretical works demonstrating the close connection of auroral phenomena with the processes of the outer radiation belt formation in the magnetosphere o f the Earth. Anomalously high relativistic electron fluxes in the outer radiation belt are frequently named electrons-killers. Such electrons formed due to seed population acceleration. The seed population is produced during storm time substorms. We discuss the auroral oval mapping to the equatorial plane and show its mapping to the outer part o f the ring current. We try to show that adiabatic acceleration can be rather important in the process of formation of anomalously high fluxes of relativistic electrons. 1. Introduction Physics of the outer radiation belt formation is ordinarily considered as selected region of magnetospheric researches mainly connected with wave-particle interactions and turbulent acceleration. However, it was known, that the formation of new outer radiation belt starts from the appearance of seed population {Baker, 2013) accelerated during storm time magnetospheric substorms. Most exiting findings in the physics of outer radiation belt are connected with the name of Ludmila Vasilievna Tverskaya (18.11.1937- 16.10.2012). She obtained [ Tverskya , 1976] the dependence of the position of the new belt maximum (Xmax) for electrons accelerated daring a magnetic storm on the storm Dst amplitude ( IDst Imax) having the form: i^ L x = 2 . 7 5 x l 0 4/ I 4max (1) and later supported by numerous results [ Tverskya, 2011; Kuznetsov et al., 2002; Slivka et a i, 2006; Antonova and Stepanova, 2015]. Fig. 1 shows this dependence. Blue star on Fig. 1 corresponds to 8-9 October 2012 geomagnetic storm, analyzed by Reeves et al. [2013] and Antonova and Stepanova [2015] using data of RBSP, DMSP and ground- based observations. 20 50 Figure 1. Tverskaya’s dependence o f the position of the new belt maximum for electrons accelerated during a magnetic storm on the storm Dst variation amplitude. 100 200 400 Pstlmax ’nT 1000 6