We present the results of an analysis of data recorded at the Pierre Auger
Observatory in which we search for groups of directionally-aligned events (or
’multiplets’) which exhibit a correlation between arrival direction and the
inverse of the energy. These signatures are expected from sets of events coming
from the same source after having been deflected by intervening coherent
magnetic fields. The observation of several events from the same source would
open the possibility to accurately reconstruct the position of the source and
also measure the integral of the component of the magnetic field orthogonal to
the trajectory of the cosmic rays. We describe the largest multiplets found and
compute the probability that they appeared by chance from an isotropic
distribution. We find no statistically significant evidence for the presence of
multiplets arising from magnetic deflections in the present data.
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