Phase-space distributions of nuclear short-range correlations

Cosyn, Wim; Ryckebusch, Jan

doi:10.1016/j.physletb.2021.136526

Cited by 10 publications

(8 citation statements)

References 55 publications

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“…The influence of these correlations on super-allowed β-decay is computed by Condren et al and a significant effect is reported [131]. The formation of SRCs inside neutron rich nuclei would reduce their skin thickness and a ∼10% reduction in neutron skin is possible for 48 Ca nucleus [130].…”

Section: Future Presepectivesmentioning

confidence: 93%

See 1 more Smart Citation

Nucleon-nucleon correlations inside atomic nuclei: synergies, observations and theoretical models

Dalal¹,

MacGregor²

2022

Preprint

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While the main features of atomic nuclei are well described by nuclear mean-field models, there is a large and growing body of evidence which indicates an important additional role played by spatially-correlated nucleon-nucleon structures. The role of nucleonic structures was first suggested by Heidmann in 1950 to explain pick-up reactions of energetic nucleons. Since then a steady flux of new experimental evidence has confirmed the presence of similar structures inside atomic nuclei, dominated by correlations between pairs of nucleons. The role of these internal nucleon-nucleon correlations has been established using various energetic probes like photons, pions, leptons and hadrons. These correlated structures are essential for understanding the interaction of particles with nuclei and their presence provides an explanation of many specific nuclear phenomena including backscattered protons, copious deuteron production, sub-threshold particle production, neutrino interactions with nuclei and the EMC effect. On the theoretical side, these measurements have stimulated a large number of phenomenological models specifically devised to address these enigmatic observations. While reviews exist for specific interactions, there is currently no published commentary which systematically encompasses the wide range of experimental signatures and theoretical frameworks developed thus far. The present review draws together the synergies between a wide range of different experimental and theoretical studies, summarises progress in this area and highlights outstanding issues for further study.

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Section: Future Presepectivesmentioning

confidence: 93%

“…After establishing the presence of short-range correlations on firm footing, their implications on nuclear observables are being investigated by many groups [128,129,130]. Miller et al investigated the influence of short-range correlations on nuclear properties through chiral dynamics [128].…”

Section: Future Presepectivesmentioning

confidence: 99%

Nucleon-nucleon correlations inside atomic nuclei: synergies, observations and theoretical models

Dalal¹,

MacGregor²

2022

Preprint

View full text Add to dashboard Cite

show abstract

“…The influence of these correlations on superallowed β-decay is computed by Condren et al, and a significant effect is reported [151]. The formation of SRCs inside neutron-rich nuclei would reduce their skin thickness and a ∼10% reduction in neutron skin is possible for the 48 Ca nucleus [150].…”

Section: Future Perspectivesmentioning

confidence: 94%

“…After establishing the presence of short-range correlations on firm footing, their implications on nuclear observables are being investigated by many groups [148][149][150]. Miller et al investigated the influence of short-range correlations on nuclear properties through chiral dynamics [148].…”

Section: Future Perspectivesmentioning

confidence: 99%

Nucleon-nucleon correlations inside atomic nuclei: synergies, observations and theoretical models

Dalal,

Douglas MacGregor

2024

Rep. Prog. Phys.

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While the main features of atomic nuclei are well described by nuclear mean-field models, there is a large and growing body of evidence which indicates an important additional role played by spatially-correlated nucleon-nucleon structures. The role of nucleonic structures was first suggested by Heidmann in 1950 to explain the pick-up reactions of energetic nucleons. Since then, a steady flux of new experimental evidence has confirmed the presence of similar structures inside atomic nuclei, dominated by correlations between pairs of nucleons. The role of these internal nucleon-nucleon correlations has been established using various energetic probes like photons, pions, leptons and hadrons. These correlated structures are essential for understanding the interaction of particles with nuclei and their presence provides an explanation of many specific nuclear phenomena, including backscattered protons, copious deuteron production, sub-threshold particle production, neutrino interactions with nuclei and the EMC effect. On the theoretical side, these measurements have stimulated a large number of phenomenological models specifically devised to address these enigmatic observations. While reviews exist for specific interactions, there is currently no published commentary which systematically encompasses the wide range of experimental signatures and theoretical frameworks developed thus far. The present review draws together the synergies between a wide range of different experimental and theoretical studies, summarises progress in this area and highlights outstanding issues for further study.

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“…As argued in Ref. [80], the influence of isospin symmetry breaking needs to be considered carefully in theoretical studies. This reflects that the neutron-proton (np) correlations at low density regions make contributions to the nuclear charge radii.…”

Section: Ab Initiomentioning

confidence: 99%

Evolution of nuclear charge radii in copper and indium isotopes *

An¹,

Jiang²,

Cao³

et al. 2022

Chinese Phys. C

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The systematic trend in nuclear charge radii is of great interest due to the universal shell effects and odd-even staggering (OES). Modified root mean square (rms) charge radius formula, which phenomenologically accounts for the formation of neutron-proton ($np$) correlations, is firstly applied to study the odd-$Z$ copper and indium isotopes. Theoretical results obtained by relativistic mean field (RMF) model with NL3, PK1 and NL3$^{*}$ parameter sets are compared with the experimental data. Our results show that both OES and the abrupt changes across $N=50$ and $82$ shell closures are reproduced evidently in nuclear charge radii. The inverted parabolic-like behaviors of rms charge radii can also be remarkably described between two neutron magic numbers, namely $N=28$ to $50$ for copper isotopes and $N=50$ to $82$ for indium isotopes. This implies the fact that the $np$-correlations play an indispensable role in quantitatively determining the fine structures of nuclear charge radii along odd-$Z$ isotopic chains. Meanwhile, our conclusions have almost no dependence on the effective forces.

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Phase-space distributions of nuclear short-range correlations

Cited by 10 publications

References 55 publications

Nucleon-nucleon correlations inside atomic nuclei: synergies, observations and theoretical models

Nucleon-nucleon correlations inside atomic nuclei: synergies, observations and theoretical models

Nucleon-nucleon correlations inside atomic nuclei: synergies, observations and theoretical models

Evolution of nuclear charge radii in copper and indium isotopes *

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