SEARCH FOR COSMIC GAMMA-RAY BURSTS IN THE (1-50) GEV ENERGY-RANGE

被引：5

作者：

AGLIETTA, M

ALESSANDRO, B

ANTONIOLI, P

ARNEODO, F

BERGAMASCO, L

FAUTH, AC

CASTAGNOLI, C

CASTELLINA, A

CATTADORI, C

CHIAVASSA, A

CINI, G

PIAZZOLI, BD

FULGIONE, W

GALEOTTI, P

GHIA, PL

MANNOCCHI, G

MORELLO, C

NAVARRA, G

RICCATI, L

SAAVEDRA, O

TRINCHERO, GC

VALLANIA, P

VERNETTO, S

机构：

[1] Istituto di Cosmo-Geofisica del CNR, Torino

[2] Sezione di Torino, INFN, Torino

[3] Istituto di Fisica dell'Università, Torino

[4] Instituto de Fisica, Universidade Estadual de Campinas, Campinas

[5] Sezione di Milano, INFN, Milano

[6] Dipartimento di Scienze Fisiche dell'Università, Napoli

来源：

NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA C-GEOPHYSICS AND SPACE PHYSICS | 1992年 / 15卷 / 04期

关键词：

Cosmic-ray interactions with the Earth;

D O I：

10.1007/BF02511744

中图分类号：

学科分类号：

摘要：

A search for cosmic gamma-ray bursts in the GeV energy range has been performed by means of the EAS-TOP Extensive Air Shower array at Campo Imperatore (Gran Sasso Laboratories) during the period March - December 1990. In 2566.5 hours of measurement the obtained upper limit to the rate of bursts of amplitude > 2% of the cosmic-ray intensity and time duration tau = 1 s, is R less-than-or-equal-to 7.9 y-1 (90% c.l.). Assuming for gamma-rays a differential energy spectrum S(E0) almost-equal-to E0(-2.5), the corresponding upper limit to the energy flux of gamma-rays with energy > 5 GeV in bursts of duration tau less-than-or-equal-to 1 s is PHI < 8.3 . 10(-5) erg cm-2.

引用

页码：441 / 446

页数：6

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