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ON THE POSSIBILITY OF CRYSTAL USE IN GAMMA-TELESCOPES

Abstract

It is shown that the effect of synchrotron-like electron-positron pair production by gamma-quanta makes it possible to devise angular-sensitive gamma-telescopes with a resolution of several hundreds microradians to be effective at gamma-quanta energies of several tens of GeV and more. The gamma-telescope angular resolution can be increased up to several tens of microradians if the effect of electron radiative cooling is used. An efficiency of gamma-quanta registration by the proposed crystalline gammatelescopes is close to unity while their mass per 1 m2 of active area does not exceed 100 kg, allowing one to devise gammatelescopes with an active area of 10 m2.

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ISSN 1561-8323 (Print)
ISSN 2524-2431 (Online)