Q ? -Measurements of indium, tin and antimony isotopes with massesA=128 and 130

Stöhlker, U.; Blönnigen, A.; Lippert, W.; Wöllnik, H.

doi:10.1007/bf01294109

Cited by 3 publications

(1 citation statement)

References 18 publications

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“…It is worth noting that this procedure was not done for the listed TITAN Penning trap mass value, which lies between the JYFLTRAP ground state and first isomer masses. The Ame2016 [3] ground state mass for 130 In comes from an evaluation of Q β − measurements [44,45]. It was also measured by CPT [5], though the CPT measurement deviates by ≈200 keV from the other measurements and likely includes a mixture of the higher-lying isomer 130 In m2 .…”

Section: Inmentioning

confidence: 99%

Mass measurements of neutron-rich indium isotopes for r -process studies

Izzo¹,

Bergmann²,

Dietrich³

et al. 2021

Phys. Rev. C

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A new series of neutron-rich indium mass measurements are reported from the TITAN multiplereflection time-of-flight mass spectrometer (MR-TOF-MS). These mass measurements cover 125−134 In (N = 76 − 85) and include ground states as well as isomeric states. The masses of nuclei in this region are known to be of great importance for accurately modeling r-process nucleosynthesis, and the significance of the reported neutron-rich indium masses is discussed in this context. Results are compared with earlier experimental data where available as well as theoretical mass models. The measurements reported here include the first mass measurements of 133,134 In, as well as the first direct mass measurement of 132 In. The masses of 125−131 In ground states and several isomers were previously measured to higher precision by Penning trap mass spectrometry, which also resolved some low-lying isomers that could not be resolved in this work. The earlier Penning trap measurements serve as excellent cross-checks for the MR-TOF-MS measurements, and in some cases the MR-TOF-MS measurements improve the literature uncertainties of higher-lying isomer masses and excitation energies. A new isomeric state for 128 In, recently reported for the first time by the JYFLTRAP group, is also confirmed by the TITAN MR-TOF-MS, with a measured excitation energy of 1813(17) keV.

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Section: Inmentioning

confidence: 99%

Mass measurements of neutron-rich indium isotopes for r -process studies

Izzo¹,

Bergmann²,

Dietrich³

et al. 2021

Phys. Rev. C

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show abstract

Nuclear structure of Te130 from inelastic neutron scattering and shell model analysis

et al. 2022

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Mass measurements of neutron-rich indium isotopes toward the N=82 shell closure

et al. 2018

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Precise mass measurements of the neutron-rich 125−130 In isotopes have been performed with the TITAN Penning trap mass spectrometer. TITAN's electron beam ion trap was used to charge breed the ions to charge state q = 13+ thus providing the necessary resolving power to measure not only the ground states but also isomeric states at each mass number. In this paper, the properties of the ground states are investigated through a series of mass differentials, highlighting trends in the indium isotopic chain as compared to its proton-magic neighbor, tin (Z = 50). In addition, the energies of the indium isomers are presented. The (8 −) level in 128 In is found to be 78 keV lower than previously thought and the (21/2 −) isomer in 127 In is shown to be lower than the literature value by more than 150 keV.

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Q ? -Measurements of indium, tin and antimony isotopes with massesA=128 and 130

Cited by 3 publications

References 18 publications

Mass measurements of neutron-rich indium isotopes for r -process studies

Mass measurements of neutron-rich indium isotopes for r -process studies

Nuclear structure of Te130 from inelastic neutron scattering and shell model analysis

Mass measurements of neutron-rich indium isotopes toward the N=82 shell closure

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