Nuclear Data Sheets for A=205

Kondev, F. G.

doi:10.1016/j.nds.2004.03.001

Cited by 70 publications

(26 citation statements)

References 161 publications

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“…These are the I π = (5) + , T 1/2 = 78(1) ns [30,35] isomeric state in 206 Tl, and the I π = 13/2 + , T 1/2 = 1.09(4) ms [36] isomer in 205 Hg. The lifetime of T 1/2 = 71(4) ns for 206 Tl measured in the present experiment agrees with the published value.…”

Section: N = 125 Nucleimentioning

confidence: 99%

Isomeric states observed in heavy neutron-rich nuclei populated in the fragmentation of a208Pb beam

et al. 2011

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Heavy neutron-rich nuclei were populated via the fragmentation of a E/A = 1 GeV 208 82 Pb beam. Secondary fragments were separated and identified and subsequently implanted in a passive stopper. By the detection of delayed γ rays, isomeric decays associated with these nuclei have been identified. A total of 49 isomers were detected, with the majority of them observed for the first time. The newly discovered isomers are in 204,205 80 Hg, 201,202,204,205 79 Au, 197,203,204 78 Pt, 195,[199][200][201][202][203] 193,[197][198][199] 196 75 Re, 190,191 74 W, and 189 73 Ta. Possible level schemes are constructed and the structure of the nuclei discussed. To aid the interpretation, shell-model as well as BCS calculations were performed.

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Section: N = 125 Nucleimentioning

confidence: 99%

Isomeric states observed in heavy neutron-rich nuclei populated in the fragmentation of a208Pb beam

et al. 2011

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“…Two such lines are clearly evident in our scatter plot and are identified as due to 209 Bi→ 205 Tl decay (Q=3137.2±0.8 keV, Ref. [6]), and to 210 Po→ 206 Pb decay (Q=5407 keV) which is present in the crystal, probably as a result of 209 Bi activation (see Ref. [11]).…”

Section: B Alpha Regionmentioning

confidence: 75%

“…An NTD Ge 209 Bi, data from Ref. [6]. The GS-GS transition (I) occurs with the emission of a monochromatic α line of 3077 keV.…”

Section: A Detectors and Experimental Set-upmentioning

confidence: 99%

First Measurement of the Partial Widths ofBi209Decay to the Ground and to the First Excited States

et al. 2012

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“…In some cases the same nucleus was observed in several identification plots. In this instance, the delayed decay data (i.e., γ -ray energy and time) associated with a given nucleus [19][20][21][22][23]. A time gate t was applied to separate the isomeric decay from the prompt radiation flash observed by some germanium detectors following fragment implantation.…”

Section: A Identification Of Reaction Residuesmentioning

confidence: 99%

Population of high-spin isomeric states following fragmentation of238U

Bowry¹,

Podolyák²,

Piétri³

et al. 2013

Phys. Rev. C

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Isomeric ratios have been determined for 23 metastable states identified in A ≈ 200 nuclei from Pt to Rn near the valley of stability following fragmentation of 238 U. This includes high-spin states with angular momenta ranging from (39/2)h to 25h. The experimental results are discussed together with those of similar experiments performed in this mass region. Isomeric ratios are compared with theoretical predictions where the angular momentum of the fragment arises purely due to the angular momentum of nucleons removed from the projectile. The theoretical yield of low-spin states is generally overestimated. In these cases the assumption of 100% feeding of the isomer may require modification. However, the yield of high-spin isomeric states [I m (39/2)h] is significantly underestimated and highlights the requirement for a more complete theoretical framework in relation to the generation of fragment angular momentum. The enhanced population of high-spin states reported here is advantageous to future studies involving isomeric beams at fragmentation facilities such as the Rikagaku Kenkyusho RI Beam Factory (Japan) and next-generation facilities at the Facility for Antiproton and Ion Research (Germany) and Facility for Rare Isotope Beams (USA).

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Nuclear Data Sheets for A=205

Cited by 70 publications

References 161 publications

Isomeric states observed in heavy neutron-rich nuclei populated in the fragmentation of a208Pb beam

Isomeric states observed in heavy neutron-rich nuclei populated in the fragmentation of a208Pb beam

First Measurement of the Partial Widths ofBi209Decay to the Ground and to the First Excited States

Population of high-spin isomeric states following fragmentation of238U

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