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SUMMARY:Study of spatial and energy characteristics of relativistic electr
 on bursts in magnetosphere with robust methods
DTSTART;VALUE=DATE-TIME:20151009T133000Z
DTEND;VALUE=DATE-TIME:20151009T134500Z
DTSTAMP;VALUE=DATE-TIME:20260314T054709Z
UID:indico-contribution-348@cern.ch
DESCRIPTION:Speakers: Temir Zharaspayev (National Research Nuclear Univers
 ity MEPhI (Moscow Engineering Physics Institute))\nElectron bursts are wel
 l-known phenomena of fast increase in particle fluxes in near-Earth space.
  Powerful local geophysical events like earthquakes or thunderstorms can i
 nduce precipitation of electrons with defined energy spectrum from radiati
 on belt\, which would be registered as fast increase in particle count rat
 e on board the low orbit satellite.\n\nThe process of longitudinal drift o
 f precipitated relativistic electrons to the geographical east gives oppor
 tunity to detect burst in any point of L-shell around the globe. Electrons
  with different energies drifts with different velocities. Study of energy
  spectrum change in time of the detected burst gives information required 
 to determine distance between location of electron precipitation and its r
 egistration as burst on board the satellite. Mixing of background albedo e
 lectrons with burst electrons and low total statistics of registered parti
 cles leads to high complexity of this type of analysis on experimental dat
 a with traditional methods. An analytical methods based on robust regressi
 on analysis was introduces for processing of data with high level of exper
 imental uncertainty.\n\nResults of comparison between various data analysi
 s methods in application to study of spatial and energy characteristics of
  relativistic electron bursts in the Earth magnetosphere are presented in 
 this work. Numerical modeling of local relativistic electron precipitation
  with albedo electron fluxes and data from satellite experiments ARINA (on
  board the Resurs-DK1) and VSPLESK (on board the International Space Stati
 on) are used. Robust methods proved to be optimal for data analysis of ene
 rgy spectrum evolution in time for search of zones of local radiation belt
  disturbances.\n\nhttps://indico.particle.mephi.ru/event/2/contributions/3
 48/
LOCATION:Milan Hotel 4* Verdi
URL:https://indico.particle.mephi.ru/event/2/contributions/348/
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