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The Gamma-Ray Sky

Published online by Cambridge University Press:  14 August 2015

L. Scarsi ,
R. Buccheri ,
G. Gerardi  and
B. Sacco
L. Scarsi
Affiliation:
Istituto di Fisica dell'Università, Palermo, Italy
R. Buccheri
Affiliation:
Istituto di Fisica Cosmica e Tecnologie Relative CNR-Palermo
G. Gerardi
Affiliation:
Istituto di Fisica Cosmica e Tecnologie Relative CNR-Palermo
B. Sacco
Affiliation:
Istituto di Fisica Cosmica e Tecnologie Relative CNR-Palermo

Extract

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When we talk of Gamma-Ray Astronomy we refer in general to celestial photons covering the energy domain from a fraction of MeV up to the highest detected energies at hundreds or thousands of GeV. The six to seven decades altogether spanning the overall energy range constitute a very wide domain to be compared with those of the optical (less than one decade) or of the neighbouring X-Ray Astronomy (about two decades). The observational technique varies widely with changing energy; detector performances and characteristic parameters are not, in general, comparable.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 94: Origin of Cosmic Rays , 1981 , pp. 279 - 307
Copyright
Copyright © Reidel 1981 

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