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Study of Forbush effects by means of muon hodoscopes | | N. S. Barbashina
; V. V. Borog
; A. N. Dmitrieva
; R. P. Kokoulin
; K. G. Kompaniets
; G. Mannocchi
; A. A. Petrukhin
; D. A. Room
; O. Saavedra
; V. V. Shutenko
; D. A. Timashkov
; G. Trinchero
; I. I. Yashin
; | | Date: |
10 Jan 2007 | | Journal: | Proceeding of 20th ECRS, Lisbon, 2006 | | Abstract: | Muon rate variations during Forbush effects registered by means of muon detectors DECOR, TEMP and URAGAN operated in the experimental complex NEVOD (MEPhI, Moscow) have been studied, and comparative analysis with neutron monitor data has been performed. The ratio of values of Forbush decreases in muon and in neutron fluxes is about one third, and preliminary rigidity dependence of Forbush decrease amplitude using muon data has been also obtained (for 2.4 GV cut-off rigidity). The detection of muon flux in the hodoscopic mode allows to study the dynamics of muon flux anisotropy related with magnetic field perturbations. Results of analysis of data from the new unique muon detector URAGAN indicate the change of muon flux asymmetry direction during the Forbush decrease. This phenomenon is related with the motion of solar plasma cloud and hodoscope acceptance cone relative to each other. | | Source: | arXiv, astro-ph/0701288 | | Services: | Forum | Review | PDF | Favorites | |
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