The air-kerma rate constant of 192Ir.

Abstract:

:The air-kerma rate constant gamma delta (and its precursors), as one of the basic radiation characteristics of 192Ir, was determined by many authors. Analysis of accessible data on this quantity led us to the conclusion that published data strongly disagree. That is the reason we calculated this quantity on the basis of our and many other authors' gamma-ray spectral data and the latest data for mass energy-transfer coefficients for air. In this way, a value was obtained for gamma delta of 30.0 +/- 0.9 a Gy m2 s-1 Bq-1 for an unshielded 192Ir source and 27.8 +/- 0.9 a Gy m2s -1Bq-1 for a standard packaged radioactive source taking into account attenuation of gamma rays in the platinum source wall.

journal_name

Health Phys

journal_title

Health physics

authors

Ninković MM,Raiĉevìć JJ

doi

10.1097/00004032-199301000-00011

subject

Has Abstract

pub_date

1993-01-01 00:00:00

pages

79-81

issue

1

eissn

0017-9078

issn

1538-5159

journal_volume

64

pub_type

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