Binding Energy of 
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: Probing the Structure of the Doubly Magic 
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Welker, A.; Althubiti, N. A.; Atanasov, D.; Blaum, Klaus; Cocolios, T. E.; Herfurth, F.; Kreim, S.; Lunney, D.; Manea, V.; Mougeot, Maxime; Neidherr, D.; Nowacki, F.; Poves, A.; Rosenbusch, M.; Schweikhard, L.; Wienholtz, F.; Wolf, R.; Zuber, Κ.

doi:10.1103/physrevlett.119.192502

Cited by 79 publications

(68 citation statements)

References 41 publications

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“…It illustrates that in 73m Zn a certain degree of proton excitations across the closed Z = 28 shell and neutron excitations across the N = 50 shell gaps are important. This was also observed recently in the neutron-rich Cu isotopes via mass and moment measurements [17,36]. The most noteworthy conclusion from Fig.…”

Section: A Tracking the Source Of Collectivitysupporting

confidence: 86%

Investigating the large deformation of the 5/2+ isomeric state in Zn73 : An indicator for triaxiality

Yang¹,

Tsunoda²,

Babcock³

et al. 2018

Phys. Rev. C

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Recently reported nuclear spins and moments of neutron-rich Zn isotopes measured at ISOLDE-CERN [C. Wraith et al., Phys. Lett. B 771, 385 (2017)] show an uncommon behavior of the isomeric state in 73 Zn. Additional details relating to the measurement and analysis of the 73m Zn hyperfine structure are addressed here to further support its spin-parity assignment 5/2 + and to estimate its half-life. A systematic investigation of this 5/2 + isomer indicates that significant collectivity appears due to proton/neutron E2 excitations across the proton Z = 28 and neutron N = 50 shell gaps. This is confirmed by the good agreement of the observed quadrupole moments with large scale Monte Carlo shell model calculations. In addition, potential energy surface calculations in combination with T plots reveal a triaxial shape for this isomeric state.

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Section: A Tracking the Source Of Collectivitysupporting

confidence: 86%

Investigating the large deformation of the 5/2+ isomeric state in Zn73 : An indicator for triaxiality

Yang¹,

Tsunoda²,

Babcock³

et al. 2018

Phys. Rev. C

Self Cite

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“…Our dataset combines all experimental masses from AME2003 [42] and AME2016 [43] augmented by the recently measured masses from Refs. [44][45][46][47][48][49][50]. For nuclei where experiments have been repeated, we take the most recent value.…”

Section: Datasetsmentioning

confidence: 99%

Quantified limits of the nuclear landscape

et al. 2020

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Background: The chart of the nuclides is limited by particle drip lines beyond which nuclear stability to proton or neutron emission is lost. Predicting the range of particle-bound isotopes poses an appreciable challenge for nuclear theory as it involves extreme extrapolations of nuclear masses well beyond the regions where experimental information is available. Still, quantified extrapolations are crucial for a wide variety of applications, including the modeling of stellar nucleosynthesis.Purpose: We use microscopic nuclear global mass models, current mass data, and Bayesian methodology to provide quantified predictions of proton and neutron separation energies as well as Bayesian probabilities of existence throughout the nuclear landscape all the way to the particle drip lines. Methods:We apply nuclear density functional theory with several energy density functionals. We also consider two global mass models often used in astrophysical nucleosynthesis simulations. To account for uncertainties, Bayesian Gaussian processes are trained on the separation-energy residuals for each individual model, and the resulting predictions are combined via Bayesian model averaging. This framework allows to account for systematic and statistical uncertainties and propagate them to extrapolative predictions. Results:We establish and characterize the drip-line regions where the probability that the nucleus is particlebound decreases from 1 to 0. In these regions, we provide quantified predictions for one-and two-nucleon separation energies. According to our Bayesian model averaging analysis, 7759 nuclei with Z ≤ 119 have a probability of existence ≥ 0.5. Conclusions:The extrapolation results obtained in this study will be put through stringent tests when new experimental information on existence and masses of exotic nuclei becomes available. In this respect, the quantified landscape of nuclear existence obtained in this study should be viewed as a dynamical prediction that will be fine-tuned when new experimental information and improved global mass models become available.

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“…These masses were obtained from self-consistent deformed Hartree-Fock-Bogoliubov calculations using the Skyrme effective interaction BSk27 [36]. The very recent measurements of copper isotopes [37] have been also taken into account. Nuclear masses were estimated from tabulated atomic masses after subtracting out the electron binding…”

Section: Stratification Of the Outer Crustmentioning

confidence: 99%

“…To better assess the precision of the new method, Eq. (1) have been solved sirectly using (37) and (38). Because P depends not only on n e but also on Z, n e varies discontinuously at the interface between two adjacent layers with different proton numbers Z 1 and Z 2 .…”

Section: Stratification Of the Outer Crustmentioning

confidence: 99%

Analytical determination of the structure of the outer crust of a cold nonaccreted neutron star

Chamel

2020

Phys. Rev. C

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A very fast iterative method is presented to calculate the internal constitution of the outer crust of a cold nonaccreted neutron star, making use of very accurate analytical formulas for the transition pressures between adjacent crustal layers and their density. In addition to the composition of the different crustal layers, their depth and their baryonic mass content can be simultaneously estimated using an approximate solution of Einstein's general relativistic equations. The overall computing time is drastically reduced compared to the traditional approach, thus opening the door to large-scale statistical studies and sensitivity analyses.

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Binding Energy of Cu79 : Probing the Structure of the Doubly Magic Ni

Cited by 79 publications

References 41 publications

Investigating the large deformation of the 5/2+ isomeric state in Zn73 : An indicator for triaxiality

Investigating the large deformation of the 5/2+ isomeric state in Zn73 : An indicator for triaxiality

Quantified limits of the nuclear landscape

Analytical determination of the structure of the outer crust of a cold nonaccreted neutron star

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