Physics of auroral phenomena : proceedings of the 38th annual seminar, Apatity, 2-6 march, 2015 / [ed. board: A. G. Yahnin, N. V. Semenova]. - Апатиты : Издательство Кольского научного центра РАН, 2015. - 189 с. : ил., табл.

Laboratory studies o fkinetic instabilities under double plasma resonance condition in a mirror-confined nonequilibrium plasma •140 1075 1080 1085 10S0 1095 1100 1105 1110 ....... 1115 time, (is Figure 4. Fragment of Fig. 3 with a higher time resolution: a series of quasiperiodic bursts of plasma emission (a) and synchronous precipitations o f energetic electrons from the trap ( b ). tim e, де time, us Figure 5. Fragment of Fig. 4 with a higher time resolution: a series of quasiperiodic bursts of plasma emission (a) and synchronous precipitations of energetic electrons from the trap (A). 4. Discussion In this section, we will discuss the possible origin of the observed high-frequency plasma radiation. Consider conditions in the decaying plasma after the ECR heating at which this radiation is observed. The dynamics of the density and temperature of the plasma after the end of ECR heating was calculated within the framework of the approach based on the balance equations for the different plasma components density and its energy content, which were averaged over the trap volume [11,15]. The corresponding plots of variations in the density and temperature of the background plasma electrons are shown in Fig. 6 . One can see in the plots that when high-frequency 67 Intensity, dB Intensity, dB

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