A Large air shower array to search for astrophysical sources emitting gamma-rays with energies >= 10**14-eV

Borione, A.; Covault, C.E.; Cronin, J.W.; Fick, B.E.; Gibbs, K.G.; Krimm, H.A.; Mascarenhas, N.M.; McKay, T.A.; Muller, D.; Newport, B.J.

doi:10.1016/0168-9002(94)90722-6

A Large air shower array to search for astrophysical sources emitting gamma-rays with energies >= 10**14-eV

A. Borione
(
- Chicago U. and
- Chicago U., EFI
)
,
C.E. Covault
(
- Chicago U. and
- Chicago U., EFI
)
,
J.W. Cronin
(
- Chicago U. and
- Chicago U., EFI
)
,
B.E. Fick
(
- Chicago U. and
- Chicago U., EFI
)
,
K.G. Gibbs
(
- Chicago U. and
- Chicago U., EFI
)

Feb 15, 1994

100 pages

Published in:

Nucl.Instrum.Meth.A 346 (1994) 329-352

DOI:

10.1016/0168-9002(94)90722-6

Report number:

PRINT-94-0044 (EFI,CHICAGO)

reference search93 citations

Citations per year

Abstract: (Elsevier)

We describe the technical details and the performance of a large array which detects both the electron and muon components in extensive air showers with energies ≥ 10 14 eV. The array was designed to search for γ-rays from astrophysical sources. The background of cosmic rays is reduced by the selection of muon poor events. The array consists of 1089 scintillation detectors on the surface covering an area of 0.23 km 2 and 1024 scintillation counters of 2.5 m 2 each, buried 3 m below the surface for muon detection. Each of the surface detectors has its own local electronics and local data storage controlled by a microprocessor. The array is located at Dugway, Utah USA (40.2°N, 112.8°W) where the average atmospheric depth is 870 g/cm 2 .

astrophysics
photon: particle source
showers: air
cosmic radiation: electromagnetic component
shower detector: scintillation counter
mechanical engineering
electronics
calibration
performance
> 10**5 GeV

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