Intermediate energy proton knockout to the “island of inversion” isotope<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="normal">Mg</mml:mi><mml:mprescripts /><mml:none /><mml:mrow><mml:mn>31</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>

Miller, D.; Adrich, P.; Brown, B. A.; Moeller, V.; Ratkiewicz, A.; Rother, W.; Starosta, K.; Tostevin, J. A.; Vaman, C.; Voss, P.

doi:10.1103/physrevc.79.054306

Cited by 18 publications

(7 citation statements)

References 32 publications

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“…[19] for details), thus a 3/2 + spin/parity is assigned to the 50-keV level. The level at 673 keV as well as a level at 2015 keV have been populated in the proton knockout reaction on 32 Al (dashed blue lines) [23]. The 32 Al ground state has a normal sd-shell structure (established through g factor and quadrupole moment measurements [24,25]), and therefore 0hω neutron-hole configurations are populated in this knockout reaction.…”

Section: Review Of Experimental Observables For 31 Mgmentioning

confidence: 97%

Multiparticle-multihole states in31Mg and33Mg: A critical evaluation

Neyens

2011

Phys. Rev. C

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The experiments that provide information about the level structure of the "island of inversion" isotopes 31 Mg and 33 Mg are reviewed. Since the model-independent measurement of their ground-state spins was done, much experimental data can be reinterpreted, and spins and parities can be assigned to their excited states. Both experimental level schemes are found in very good agreement with calculations based on antisymmetrized molecular dynamics combined with the generator coordinate method. These calculations predict that both ground states are dominated by 2hω neutron excitations (more than 85% of the wave function). In the case of 33 Mg, the energy of the 1hω and 3hω levels are calculated about 400 keV too high with respect to the ground state, while in 31 Mg the 1hω levels are calculated only 200 keV too high. New key experiments are suggested.

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Section: Review Of Experimental Observables For 31 Mgmentioning

confidence: 97%

Multiparticle-multihole states in31Mg and33Mg: A critical evaluation

Neyens

2011

Phys. Rev. C

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“…Additionally, population of the states at 945 keV and 2.244 MeV was observed. In contrast, one-proton knockout from 32 Al [73], having a normal-order configuration of the ground state, preferentially populated the states at 673 keV and 2015 keV (assigned as 3/2 + and 5/2 + , respectively, in Ref. [74]), which consequently were 31 Mg in one-nucleon removal reactions.…”

Section: Shape Coexistence and The "Island Of Inversion" At N=20mentioning

confidence: 99%

An experimental view on shape coexistence in nuclei

Garrett

Zielińska

Clément

2022

Progress in Particle and Nuclear Physics

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“…[3,33]). As was also reported recently [22,23], theoretical calculations of two-nucleon removal also predict (a) residue momentum distributions with shapes and widths characteristic of the final-state spin value I , with larger I giving increasingly broad residue momentum distributions, and (b) significant spin alignment of the reaction residues.…”

Section: A Momentum Distributions and Alignmentmentioning

confidence: 99%

Population of low-seniority isomeric states ofHg206by two-proton knockout reactions at relativistic energies

et al. 2009

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We consider calculations of direct two-proton removal reactions from a relativistic-energy 208 Pb beam incident on a 9 Be target, leading to the population of two-proton-hole isomeric configurations in 206 Hg. The calculated 5 − and 10+ isomeric state population ratios of 18.8% and 4.7%, respectively, are in fair agreement with the values deduced experimentally (21.9 +1.2 −2.9 % and 3.1 +1.0 −1.2 %); however, the high density of final states in this case complicates the prediction of isomeric ratios for those states fed by unobserved prompt γ -ray cascades. We also consider and quantify the effects of selection of events, according to the longitudinal momenta of the reaction residues, on the measured isomeric ratios for high-spin final states and, hence, of the potential to exploit such sensitivity to gain further insight into the reaction mechanism.

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Intermediate energy proton knockout to the “island of inversion” isotopeMg31

Cited by 18 publications

References 32 publications

Multiparticle-multihole states in31Mg and33Mg: A critical evaluation

Multiparticle-multihole states in31Mg and33Mg: A critical evaluation

An experimental view on shape coexistence in nuclei

Population of low-seniority isomeric states ofHg206by two-proton knockout reactions at relativistic energies

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