SELF-ABSORPTION IN SOURCES PREPARED FOR 4π BETA COUNTING | Zendy

Janet S. Merritt | Zendy; John G. Taylor | Zendy; P.J. Campion | Zendy

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SELF-ABSORPTION IN SOURCES PREPARED FOR 4π BETA COUNTING

Author(s) -

Janet S. Merritt,

John G. Taylor,

P.J. Campion

Publication year - 1959

Publication title -

canadian journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.323

H-Index - 68

eISSN - 1480-3291

pISSN - 0008-4042

DOI - 10.1139/v59-160

Subject(s) - chemistry , nuclide , absorption (acoustics) , analytical chemistry (journal) , radiochemistry , beta particle , nuclear physics , optics , physics , chromatography

Using the 4πβ-γ coincidence method the self-absorption of 4πβ counting sources prepared by a number of source preparation techniques has been measured for the negatron emitters Cs 134 (86-kev branch only), Nb 95 , Hg 203 , Co 60 , Sc 46 , Rb 86 , Au 198 , Na 24 , and the positron branch of Cu 64 . The self-absorption varied from a few tenths of one per cent to about ten per cent for sources with a mean superficial density of 2 μg/cm 2 for most of the nuclides studied. Subsidiary experiments were carried out to indicate the variation of self-absorption with source superficial density.

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