$\gamma$ Quanta With Energy = 10**15-ev in the Primary Cosmic Radiation

Nikolsky, S.I.; Stamenov, I.N.; Ushev, S.Z.

doi:10.1088/0305-4616/13/6/014

$\gamma$ Quanta With Energy = 10**15-ev in the Primary Cosmic Radiation

S.I. Nikolsky
(
- Lebedev Inst.
)
,
I.N. Stamenov
(
- Sofiya, Inst. Nucl. Res.
)
,
S.Z. Ushev
(
- Sofiya, Inst. Nucl. Res.
)

1987

13 pages

Published in:

J.Phys.G 13 (1987) 883-895

DOI:

10.1088/0305-4616/13/6/014

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Abstract: (IOP)

Extensive air shower (EAS) experimental data have been analysed, as registered by the Tien Shan array during an effective running time of 17951 h. It is shown on the basis of EAS, with few muons with energy Emu >5 GeV and in high energy hadrons, that there exist gamma quanta in the primary cosmic radiation at energies approximately 1015 eV. The primary gamma-quanta flux is estimated as Igamma (>4*1014 eV)=(3.4+or-1.2)*10-13 cm-2 s-1.

showers: air
showers: extensive
cosmic radiation: flux
cosmic radiation: primary
photon: cosmic radiation
muon: cosmic radiation
hadron: cosmic radiation
experimental results

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γ\gammaγ Quanta With Energy = 10**15-ev in the Primary Cosmic Radiation

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$\gamma$ Quanta With Energy = 10**15-ev in the Primary Cosmic Radiation