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Quasi-bound state in the $\bar{K}NNN$ system

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N.V. Shevchenko

Nuclear Theory · Submitted 29 Jun 2022

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim The resulting binding energies $B^{\rm Chiral}_{K^-ppn} \sim 30.5 - 34.5$ MeV obtained with chirally motivated and $B^{\rm SIDD}_{K^-ppn} \sim 46.4 - 52.0$ MeV obtained with phenomenological antikaon-nucleon potentials are close to those obtained for the $K^- pp$ system with the same $\bar{K}N$ and $NN$ potentials, while the four-body widths $\Gamma_{K^- ppn} \sim 38.2 - 50.9$ MeV are smaller.

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arXiv ID2206.14514 (version 1)
Pith IDQDKWSPWM, Pith's permanent record of this paper and its review
CitationN.V. Shevchenko. "Quasi-bound state in the $\bar{K}NNN$ system." arXiv:2206.14514 (2022). https://pith.science/paper/QDKWSPWM
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Compiled by classifier-1.13.0 via TypeSafe API, question bank abstract-p1-20260923, 2026-09-23: 1 request, 3,885 input tokens.

What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.16 · human participants 0.01 · controlled comparison 0.17 · randomized assignment 0.01 · states quantitative result 0.99 · compares with prior results 0.92 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

The paper is devoted to the $\bar{K}NNN$ system, which is an exotic system consisting of an antikaon and three nucleons. Dynamically exact four-body Faddeev-type equations were solved and characteristics of the quasi-bound state in the system were evaluated. Three antikaon-nucleon and three nucleon-nucleon potentials were used, so the dependence of the four-body pole positions on the two-body interaction models was studied. The resulting binding energies $B^{\rm Chiral}_{K^-ppn} \sim 30.5 - 34.5$ MeV obtained with chirally motivated and $B^{\rm SIDD}_{K^-ppn} \sim 46.4 - 52.0$ MeV obtained with phenomenological antikaon-nucleon potentials are close to those obtained for the $K^- pp$ system with the same $\bar{K}N$ and $NN$ potentials, while the four-body widths $\Gamma_{K^- ppn} \sim 38.2 - 50.9$ MeV are smaller.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 The paper is devoted to the $\bar{K}NNN$ system, which is an exotic system consisting of an antikaon and three nucleons. background 0.73 0.17 0.03 asserted 0.98
s1 Dynamically exact four-body Faddeev-type equations were solved and characteristics of the quasi-bound state in the system were evaluated. method 0.77 0.94 0.12 asserted 1.00
s2 Three antikaon-nucleon and three nucleon-nucleon potentials were used, so the dependence of the four-body pole positions on the two-body interaction models was studied. method 0.96 0.89 0.04 asserted 0.99
s3 The resulting binding energies $B^{\rm Chiral}_{K^-ppn} \sim 30.5 - 34.5$ MeV obtained with chirally motivated and $B^{\rm SIDD}_{K^-ppn} \sim 46.4 - 52.0$ MeV obtained with phenomenological antikaon-nucleon potentials are close to those obtained for the $K^- pp$ system with the same $\bar{K}N$ and $NN$ potentials, while the four-body widths $\Gamma_{K^- ppn} \sim 38.2 - 50.9$ MeV are smaller. result 1.00 0.93 0.71 asserted 1.00

What kind of paper the classifier reports this is: simulation study 0.71 · evidence from simulation or computation 1.00.

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  • full text
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  • references and citing sentences
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Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

The paper is devoted to the $\bar{K}NNN$ system, which is an exotic system consisting of an antikaon and three nucleons. Dynamically exact four-body Faddeev-type equations were solved and characteristics of the quasi-bound state in the system were evaluated. Three antikaon-nucleon and three nucleon-nucleon potentials were used, so the dependence of the four-body pole positions on the two-body interaction models was studied. The resulting binding energies $B^{\rm Chiral}_{K^-ppn} \sim 30.5 - 34.5$ MeV obtained with chirally motivated and $B^{\rm SIDD}_{K^-ppn} \sim 46.4 - 52.0$ MeV obtained with phenomenological antikaon-nucleon potentials are close to those obtained for the $K^- pp$ system with the same $\bar{K}N$ and $NN$ potentials, while the four-body widths $\Gamma_{K^- ppn} \sim 38.2 - 50.9$ MeV are smaller.

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