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Title: Fluxes and spectra of quasimonochromatic annihilation photons for studying E1 giant resonances in nuclei

The fluxes and spectra of quasimonochromatic photons originating from the in-flight annihilation of positrons interacting with electrons of targets are analyzed in the energy region characteristic of the excitation of E1 giant resonances in nuclei. Targets of small thickness and low atomic number are used. The dependences of the spectra on the energy and angle (and their scatter) for positrons incident to the target, on the collimation angle for photons, and on the target thickness are studied.
Authors:
 [1]
  1. Russian Academy of Sciences, Institute for Nuclear Research (Russian Federation)
Publication Date:
OSTI Identifier:
22314742
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Atomic Nuclei; Journal Volume: 77; Journal Issue: 12; Other Information: Copyright (c) 2014 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; ANNIHILATION; ELECTRONS; EXCITATION; GIANT RESONANCE; NUCLEI; PHOTONS; POSITRONS