Decay of the 4.7 minute isomer of 118In and of the 48 second isomer of 120In

doi:10.1016/0031-8914(65)90097-2

Physica

Volume 31, Issue 12, December 1965, Pages 1774-1776

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Abstract

The decay of the 4.7 min isomer of ¹¹⁸In and of the 48 s isomer of ¹²⁰In to levels in ¹¹⁸Sn and ¹²⁰Sn, respectively, was studied by means of scintillation coincidence techniques. Contrary to earlier reports, the intensity of gamma rays above 200 keV feeding the 2320 keV level in ¹¹⁸Sn is found to be less than 1%.

Relative cross sections for producing ^116mIn, ^118mIn and ^120mIn with 14 MeV neutrons by (n, p) reactions were measured and compared with calculated and experimental cross sections.

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Electromagnetic Lifetimes and Properties of Nuclear States

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Cited by (7)

Nuclear data sheets for A = 120
2002, Nuclear Data Sheets
Nuclear data sheets update for A = 118
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1987, Nuclear Data Sheets
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1987, Nuclear Data Sheets
Nuclear data sheets for A = 118
1976, Nuclear Data Sheets
Nuclear data sheets for A = 120
1976, Nuclear Data Sheets
The 1960 version of Nuclear Data Sheets for A = 120has been revised on the basis of experimental data received prior to September 1, 1975. Results from approximately 130 papers and communications have been included in the present evaluation.
Data on ten A = 120 nuclei are presented. Two β—decaying isomers are known for each of the odd-odd nuclei ¹²⁰Ag, ¹²⁰In, ¹²⁰Sb, and ¹²⁰I. Only for ¹²⁰Ag is the energy ordering of the two isomers known, and only for ¹²⁰In and ¹²⁰Sb are the decay schemes for the two isomers well determined. With the exception of ¹²⁰I, other excited levels in these odd-odd nuclei have not been identified. Reaction studies to determine excited levels in ¹²⁰Sb would seem particularly appropriate. Other than a half—life, little is known about the remaining odd-odd nucleus, ¹²⁰Cd. For the even-even nuclei, the decay scheme for ¹²⁰Cd is somewhat uncertain, although it is likely that most of the decay directly feeds the 1⁺isomer in ¹²⁰In. Many levels in stable ¹²⁰Sn and ¹²⁰Te are known from a variety of decay and reaction studies. The complex decay scheme for ¹²⁰Xe appears well determined, but little is known about ¹²⁰Ba decay. A few excited levels for ¹²⁰Xe and ¹²⁰Ba comprising rotational bands have been proposed from in—beam γ-ray spectroscopy.

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Decay of the 4.7 minute isomer of 118In and of the 48 second isomer of 120In

Abstract

Phys. Rev.

Z. Phys.

Electromagnetic Lifetimes and Properties of Nuclear States

Decay of the 4.7 minute isomer of ¹¹⁸In and of the 48 second isomer of ¹²⁰In