Study of heliospheric disturbances on the basis of cosmic ray muon flux anisotropy . Journal of Physics: Conference Series Volume 409, Issue 1, 2013, Article number 012196

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Вид публикации	Статья
Контактные данные автора публикации	Astapov, I.I. , Barbashina, N.S., Dmitrieva, A.N., Mishutina, Y.N., Petrukhin, A.A., Shutenko, V.V., Yakovleva, E.I., Yashin, I.I. National Research Nuclear University MEPhI
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Аннотация

The features of the study of heliospheric disturbances on the basis of ground level cosmic ray muon flux observations are discussed. The muon hodoscope URAGAN simultaneously detects muons from various directions of the celestial hemisphere. This allows us to analyze spatial-angular variations of muon flux during such events. Heliospheric disturbances that caused the changes of interplanetary magnetic field parameters measured by various space vehicles are considered. A special attention is paid to the analysis of the response of the muon hodoscope URAGAN for recent most powerful solar flares that occurred in March 2012. In accordance with the results of the study, methods of separating main heliospheric disturbances are proposed. The prognostic potential of the developed approaches to the study of heliospheric disturbances by means of the penetrating component of cosmic rays is evaluated.

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Indexed keywords

Cosmic-ray muons; Ground level; Interplanetary magnetic fields; Muon flux; Muon hodoscopes; Solar flare; Space vehicles

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