Title:
Gamma radiation production using channeled positron annihilation in crystals
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Co-author(s) :
Oganesyan Koryun ; Rostovtsev Yuri ; Kurizki Gershon
Abstract:
The possibility of channeling low-energy relativistic positrons in some ionic crystals with axial symmetry is shown. The annihilation processes of positrons with medium electrons are investigated in detail. The lifetime of a positron in the regime of channeling is estimated; the existence of a long relaxation lifetime has been shown.
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Affiliation:
Institute for Informatics and Automation Problems of NAS RA ; Institute for Chemical Physics ; Yerevan Physics Institute ; A.I. Alikhanyan National Science Lab ; Joint Institute of Nuclear Research ; University of North Texas ; Weizman Institute of Science
Country:
Armenia ; Russia ; USA ; Israel