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Study of the decay /sup 184/Hg. -->. /sup 184/Au (Tsub(1/2)=30s). [Lifetime, upper limits]

Journal Article:

Abstract

The radioactive decay of /sup 184/Hg to /sup 184/Au was studied on line with the UNISOR isotope separator. The 184 mass chain was entered at /sup 184/Tl and /sup 184/Hg by bombarding an isotopically-enriched target of /sup 180/W with /sup 14/N ions of 177 MeV. Multiscale singles and ..gamma..-..gamma..-time coincidence studies were carried out. No previous levels have been assigned to /sup 184/Au. From the coincidence data eight levels at 156.2, 159.1, 247.7, 282.8, 295.1, 392.4, 418.0 and 412.4 keV are assigned and two tentative levels at 534.0 and 551.6 keV are proposed. By using the delayed coincidence technique, a half-life of 36+-6 nanoseconds was measured for the 156.2 keV first-excited level and upper limits of 2 nanoseconds were determined for the half-lives of levels at 159.1, 247.7, 295.1 and 392.4 keV.
Authors:
Nettles, W G; Beraud, R; Cole, J D; Hamilton, J H; Ramayya, A V; Kawakami, H; [1]  Sastry, K S.R.; [2]  Spejewski, E H
  1. Vanderbilt Univ., Nashville, TN (USA). Dept. of Physics
  2. Massachusetts Univ., Amherst (USA)
Publication Date:
Apr 01, 1978
Product Type:
Journal Article
Reference Number:
AIX-10-451246; EDB-79-127537
Resource Relation:
Journal Name: J. Phys. (Paris); (France); Journal Volume: 39:4
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; GOLD 184; ENERGY LEVELS; MERCURY 184; BETA-PLUS DECAY; ELECTRON CAPTURE DECAY; NITROGEN 14 REACTIONS; TUNGSTEN 180 TARGET; DATA; HALF-LIFE; BETA DECAY; BETA DECAY RADIOISOTOPES; BETA-PLUS DECAY RADIOISOTOPES; CHARGED-PARTICLE REACTIONS; DECAY; EVEN-EVEN NUCLEI; GOLD ISOTOPES; HEAVY ION REACTIONS; HEAVY NUCLEI; INFORMATION; ISOTOPES; MERCURY ISOTOPES; NUCLEAR REACTIONS; NUCLEI; ODD-ODD NUCLEI; RADIOISOTOPES; TARGETS; 651822* - Nuclear Properties & Reactions, A=150-189, Experimental- Radioactive Decay- (-1987); 651823 - Nuclear Properties & Reactions, A=150-189, Experimental- Energy Levels & Transitions- (-1987); 651825 - Nuclear Properties & Reactions, A=150-189, Experimental- Nuclear Reactions & Scattering- (-1987)
OSTI ID:
5961146
Country of Origin:
France
Language:
French
Other Identifying Numbers:
Journal ID: CODEN: JOPQA
Submitting Site:
INIS
Size:
Pages: 343-349
Announcement Date:
May 01, 1979

Journal Article:

Citation Formats

Nettles, W G, Beraud, R, Cole, J D, Hamilton, J H, Ramayya, A V, Kawakami, H, Sastry, K S.R., and Spejewski, E H. Study of the decay /sup 184/Hg. -->. /sup 184/Au (Tsub(1/2)=30s). [Lifetime, upper limits]. France: N. p., 1978. Web.
Nettles, W G, Beraud, R, Cole, J D, Hamilton, J H, Ramayya, A V, Kawakami, H, Sastry, K S.R., & Spejewski, E H. Study of the decay /sup 184/Hg. -->. /sup 184/Au (Tsub(1/2)=30s). [Lifetime, upper limits]. France.
Nettles, W G, Beraud, R, Cole, J D, Hamilton, J H, Ramayya, A V, Kawakami, H, Sastry, K S.R., and Spejewski, E H. 1978. "Study of the decay /sup 184/Hg. -->. /sup 184/Au (Tsub(1/2)=30s). [Lifetime, upper limits]." France.
@misc{etde_5961146,
title = {Study of the decay /sup 184/Hg. -->. /sup 184/Au (Tsub(1/2)=30s). [Lifetime, upper limits]}
author = {Nettles, W G, Beraud, R, Cole, J D, Hamilton, J H, Ramayya, A V, Kawakami, H, Sastry, K S.R., and Spejewski, E H}
abstractNote = {The radioactive decay of /sup 184/Hg to /sup 184/Au was studied on line with the UNISOR isotope separator. The 184 mass chain was entered at /sup 184/Tl and /sup 184/Hg by bombarding an isotopically-enriched target of /sup 180/W with /sup 14/N ions of 177 MeV. Multiscale singles and ..gamma..-..gamma..-time coincidence studies were carried out. No previous levels have been assigned to /sup 184/Au. From the coincidence data eight levels at 156.2, 159.1, 247.7, 282.8, 295.1, 392.4, 418.0 and 412.4 keV are assigned and two tentative levels at 534.0 and 551.6 keV are proposed. By using the delayed coincidence technique, a half-life of 36+-6 nanoseconds was measured for the 156.2 keV first-excited level and upper limits of 2 nanoseconds were determined for the half-lives of levels at 159.1, 247.7, 295.1 and 392.4 keV.}
journal = {J. Phys. (Paris); (France)}
volume = {39:4}
journal type = {AC}
place = {France}
year = {1978}
month = {Apr}
}