INVESTIGADORES
MOLLERACH Maria Silvia
artículos
Título:
A Search for Point Sources of EeV Neutrons
Autor/es:
THE PIERRE AUGER COLLABORATION, INCLUYE S. MOLLERACH
Revista:
ASTROPHYSICAL JOURNAL
Editorial:
IOP PUBLISHING LTD
Referencias:
Lugar: Londres; Año: 2012 vol. 760 p. 1 - 11
ISSN:
0004-637X
Resumen:
A thorough search of the sky exposed at the Pierre Auger Cosmic Ray
Observatory reveals no statistically significant excess of events in any
small solid angle that would be indicative of a flux of neutral
particles from a discrete source. The search covers from -90°
to +15° in declination using four different energy ranges above 1
EeV (1018 eV). The method used in this search is more
sensitive to neutrons than to photons. The upper limit on a neutron flux
is derived for a dense grid of directions for each of the four energy
ranges. These results constrain scenarios for the production of
ultrahigh energy cosmic rays in the Galaxy.