Nuclear Data Sheets for A = 199

Singh, Balraj

doi:10.1016/j.nds.2007.01.001

Cited by 74 publications

(24 citation statements)

References 278 publications

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“…This decay pattern, as well as the M2 transition strength of B(M2) ∼0.02 W.u. is similar to that observed in the neighboring 199 Au [43] and 203 Au (this paper) odd-mass isotopes. This interpretation fits with the conclusions of a recent ISOLDE experiment [44].…”

Section: /2supporting

confidence: 90%

“…The transitions used to measure half-lives are indicated in the spectra. 197,199 Pt before [43,54]. The half-lives are from the present work with the exception of 196 Pt [56] and 198 Pt [47].…”

Section: /2mentioning

confidence: 55%

“…We note that the 13/2 + state is known in 197 Pt [54] and 199 Pt [43] but was not observed in 201 Pt. The ordering of the three transition in the odd-mass nuclei is based on the systematics.…”

Section: In 200mentioning

confidence: 60%

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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: /2supporting

confidence: 90%

Section: /2mentioning

confidence: 55%

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

et al. 2011

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“…4(a). Assuming a similar strength for this transition as in neighboring odd-mass nuclei [24,38,43] the E3 branch could be as high as 70%. Although the branching ratio cannot be determined to an acceptable precision due to low statistics, we suggest that the E3 branch is significant.…”

Section: Resultsmentioning

confidence: 85%

Spectroscopy of the proton drip-line nucleus203Fr

et al. 2013

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“…From this, the activities are converted to γ-ray intensities [28][29][30][31][32][33][34] and compared to the measured γ-ray rates. At each incident energy a system of matrix equations is set up and diagonalized that contain the decay equations, cross sections and reaction channels.…”

Section: Analysis and Resultsmentioning

confidence: 87%

Neutron transfer in the C13+Au197 reaction from gold isotope residuals

et al. 2017

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Residual gold nuclei were produced via neutron transfer at multiple energies using a 130 MeV 13 C beam incident on a stacked foil target consisting of alternating layers of 197 Au and 27 Al. Production cross sections, over an energy range of 56 to 129 MeV, for seven gold isotopes and two gold isomers were determined through activation analysis. By using the Wilczyński binary transfer model with a modified version of the recoil formula and a standard evaporation model, we were able to reproduce the isotopic production cross sections at high beam energy, with some disagreement at lower beam energies. This limiting angular momentum model does not predict the transfer of sufficient angular momentum to reproduce the observed isomeric populations.

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Nuclear Data Sheets for A = 199

Cited by 74 publications

References 278 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

Spectroscopy of the proton drip-line nucleus203Fr

Neutron transfer in the C13+Au197 reaction from gold isotope residuals

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