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Measurement of the finite angular resolution correction for a NaI(Ti) crystal when only the full-energy peak is included

Authors
Journal
Nuclear Instruments and Methods
0029-554X
Publisher
Elsevier
Publication Date
Volume
35
Issue
1
Identifiers
DOI: 10.1016/0029-554x(65)90008-x
Disciplines
  • Mathematics
  • Physics

Abstract

Abstract The correction factors for the finite angular resolution of the detector in gamma-ray angular distribution and correlation experiments have been measured for the case in which only those events which deposit their full energy in the detector are used in the analysis. The measurements are for the geometrical configuration of a right circular cylinder of NaI(Tl), 7.62 cm in diameter by 7.62 cm thick, with the source at a distance of 10 cm from the front face of the crystal. Gamma-ray energies ranged from 0.077 MeV to 1.84 MeV, with ten different sources being employed. The results are compared with those of two recent Monte Carlo calculations and with those computed under the assumption that all events arising from the interaction of the photon with the crystal are used in the analysis (that is, no pulse-height selection).

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