Positron emission intensities in the decay of64Cu,76Br and124I-Reference-Cited by-同舟云学术

Positron emission intensities in the decay of64Cu,76Br and124I

Published:2007-02-01 Issue:2 Volume:95 Page:67-73
ISSN:2193-3405
Container-title:Radiochimica Acta
language:en
Short-container-title:

Author:

Qaim Syed M.,Bisinger T.,Hilgers K.,Nayak D.,Coenen Heinz H.

Abstract

The relatively long-lived positron emitters64Cu (t1/2= 12.7 h),76Br (t1/2= 16.2 h) and124I (t1/2= 4.18 d) are finding increasing applications in positron emission tomography (PET). For precise determination of their positron emission intensities, each radionuclide was preparedviaa charged particle induced reaction in a “no-carrier-added” form and with high radionuclidic purity. It was then subjected toγ-ray and X-ray spectroscopy as well as to anticoincidence beta andγγ-coincidence counting. The positron emission intensities measured were:64Cu (17.8 ± 0.4)%,76Br (58.2 ± 1.9)% and124I (22.0 ± 0.5)%. The intensity of the weak 1346 keVγ-ray emitted in the decay of64Cu was determined as (0.54 ± 0.03)%. Some implications of the precisely determined nuclear data are discussed.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry

Link

https://www.degruyter.com/document/doi/10.1524/ract.2007.95.2.67/pdf

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