Search for cosmic - ray point sources with KASCADE - INSPIRE

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Search for cosmic - ray point sources with KASCADE

KASCADE

Collaboration

•

T. Antoni
(
- Karlsruhe U., EKP
)

Feb, 2004

7 pages

Published in:

Astrophys.J. 608 (2004) 865-871

e-Print:

astro-ph/0402656 [astro-ph]

DOI:

10.1086/420736

Experiments:

KASCADE

View in:

ADS Abstract Service

reference search53 citations

Citations per year

Abstract: (arXiv)

A survey of the northern hemisphere for astrophysical point sources with continuous emission of high-energy cosmic rays is presented. Around 47 Mio extensive air showers with primary energies above

\approx

300 TeV measured by the KASCADE detector field are selected for this analysis. Besides the sky survey, a search for signal excess in the region of the galactic plane and of selected point source candidates has been performed. There is no evidence for any significant excess. This is valid for an analysis of all recorded showers as well as for a data set enhanced in gamma-ray induced showers. An upper flux limit of around

3\times 10^{-10}

m

^{-2}

s

^{-1}

for a steady point source that transits the zenith is obtained. Additionally, the distribution of the arrival directions of extensive air showers with energies above 80 PeV were studied by an autocorrelation analysis.

Note:

accepted by The Astrophysical Journal

cosmic rays
gamma rays: observations
surveys
cosmic radiation: primary
cosmic radiation: particle source
showers: air
cosmic radiation: energy
cosmic radiation: anisotropy
cosmic radiation: flux
upper limit

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