Published in
EDP Sciences, European Physical Journal Plus, 7(126)
DOI: 10.1140/epjp/i2011-11061-5
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Observation of the February 2011 Forbush decrease by the EEE telescopes
,
R. Antolini,
C. Avanzini,
R. Baldini Ferroli,
G. Bencivenni,
E. Bossini ,
E. Bressan,
A. Chiavassa,
C. Cicalo,
L. Cifarelli,
F. Coccetti,
E. Coccia,
D. De Gruttola,
S. De Pasquale
and other authors.
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Abstract
The Forbush decrease following the large X2 solar flare on mid-February 2011 has been observed by the muon telescopes of the EEE Project, which are located in several Italian sites and at CERN. Data from two different telescopes of the EEE network have been analyzed and compared to those measured by neutron monitor stations. The variation of the muon counting rate during the Forbush decrease was also extracted for different intervals of the azimuthal angle of the incoming muons.