Beta decay of neutron-deficient even-mass indium isotopes: Evidence for population of highly-excited states in the cadmium-daughter nuclei

Szerypo, J.; Huýse, M.; Reusen, G.; Duppen, P. Van; Janas, Z.; Keller, H.; Kirchner, R.; Klepper, O.; Piechaczek, A.; Roeckl, E.; Schardt, D.; Schmidt, Karl‐Heinz; Grzywacz, R.; Pfützner, M.; Płochocki, A.; Rykaczewski, K. P.; Ż̷ylicz, J.; Alkhazov, G.; Batist, L.; Быков, А. А.; Wittmann, V.; Brown, B. A.

doi:10.1016/0375-9474(94)00513-m

Cited by 38 publications

(7 citation statements)

References 23 publications

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“…Using h =4 we obtain Tt&z( In) =6.8 s, which is close to the experimental result of Tt&z of about 6 s [3].…”

Section: The Calculation Forsupporting

confidence: 88%

“…Pc, 21.60.Cs, 23.40.Hc, 27.60.+j One of the primary new directions in nuclear spectroscopy is in the experimental study and theoretical understanding of nuclei near the limits of particle stability. The heaviest nucleus with an equal number of protons and neutrons predicted to be stable is Sn, and experiments are being planned and carried out at several laboratories to produce and study the decay of this nucleus [1] and others [2,3] in this mass . "egion.…”

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confidence: 99%

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Gamow-Teller strength in the region ofSn100

Brown

Rykaczewski

1994

Phys. Rev. C

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New calculations are presented for Gamow-Teller beta decay of nuclei near 'Sn. Essentially all of the Sn Gamow-Teller decay strength is predicted to go to a single state at an excitation energy of 1.8 MeV inIn. The first calculations are presented for the decays of neighboring odd-even and odd-odd nuclei which show, in contrast to ' Sn, surprisingly complex and broad Gamow-Teller strength distributions. The results are compared to existing experimental data and the resulting hindrance factors are discussed.PACS number(s): 21.10. Pc, 21.60.Cs, 23.40.Hc, 27.60.+j One of the primary new directions in nuclear spectroscopy is in the experimental study and theoretical understanding of nuclei near the limits of particle stability. The heaviest nucleus with an equal number of protons and neutrons predicted to be stable is Sn, and experiments are being planned and carried out at several laboratories to produce and study the decay of this nucleus [1] and others [2,3] in this mass . "egion. One of the most interesting aspects of these proton-rich nuclei is that most of the giant Gamow-Teller resonance lies within the beta-decay Q-value window. We report here on new calculations which show some of the unusual features which one may expect to see in these decays, the special problems associated with their experimental detection and the important nuclear structure information that will be obtained.Our model space, which is similar to that of a number of other calculations [4 -7], is designed for nuclei with Z~50 and ¹~50and starts from a closed-shell configuration for

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“…Using h =4 we obtain Tt&z( In) =6.8 s, which is close to the experimental result of Tt&z of about 6 s [3].…”

Section: The Calculation Forsupporting

confidence: 88%

mentioning

confidence: 99%

Gamow-Teller strength in the region ofSn100

Brown

Rykaczewski

1994

Phys. Rev. C

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“…Such a concentration is predicted also by the advanced shell-model calculations for the neighbouring nuclei. Similar conclusions have been drawn from recent ~-decay studies of l~176176176 [4].…”

Section: Discussionsupporting

confidence: 84%

“…This discrepancy could at least partly be explained by unusually large/3-delayed proton branching ratios of 96,98Cd and/or 96'98Ag [17]. The resonance-like/3-feeding of highenergy states, that has been found in this work as well as in other recent experiments [2,3,4,10,13,14], may lead to such an enhanced proton emisson.…”

Section: Discussionmentioning

confidence: 60%

“…Some interesting results have already been obtained for ~°°,~°2,t°4In [3,4]: high-resolution studies and measurements of positron or /3-delayed proton spectra indicate a concentration of the GT strength at excitation energies of a few MeV in the respective cadmium daughter nuclei. The predominant feeding of high-lying levels is actually expected to be a general decay feature of odd-odd nuclei in this region [2].…”

Section: Introductionmentioning

confidence: 89%

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Gamow-Teller strength distribution in the beta-decay of100Ag from total-absorption gamma spectrometry

Batist

Быков

Moroz

et al. 1995

Z. Physik A - Hadrons and Nuclei

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Abstract. The EC//3+-decay of the odd-odd nucleus l°°Ag was studied by means of total absorption v-ray spectrometry. Most of the Gamow-Teller strength was found to be concentrated at an excitation energy of 5.6 MeV in mopd, the FWHM of this resonance being 1.5 MeV. The measured strength distribution which is interpreted within the BCS approximation as being due to the dominant population of four-quasiparticle excitations, resembles the distribution predicted by an advanced shell-model calculation for the 9SAg ~ 98Cd decay.

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Energy levels and branching ratios for Cd-102 (Cadmium-102)

Sukhoruchkin

Soroko

2008

Tables of Excitations of Proton- And Neutron-Rich Unstable Nuclei

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Beta decay of neutron-deficient even-mass indium isotopes: Evidence for population of highly-excited states in the cadmium-daughter nuclei

Cited by 38 publications

References 23 publications

Gamow-Teller strength in the region ofSn100

Gamow-Teller strength in the region ofSn100

Gamow-Teller strength distribution in the beta-decay of100Ag from total-absorption gamma spectrometry

Energy levels and branching ratios for Cd-102 (Cadmium-102)

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