Hints of Entanglement Suppression in Hyperon-Nucleon Scattering
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2023
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| _version_ | 1866911991091691520 |
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| author | Liu, Qiaofeng Low, Ian |
| author_facet | Liu, Qiaofeng Low, Ian |
| contents | Hyperon ($Y=Σ,Λ$)-nucleon ($N=n,p$) interactions are crucial for understanding the existence of neutron stars heavier than two solar masses. Amid renewed experimental efforts, we study $YN$ scatterings from the perspective of quantum information, focusing on whether spin entanglement is suppressed in the s-wave channel, which is observed in $np$ scattering and leads to enhanced global symmetries. Using global fits of phase shifts from experimental data, we find hints of entanglement suppression among the eight flavor channels in the strangeness $S=-1$ sector, similar to the $np$ case. One exception is the $Σ^+p$ channel, where conflicting global fits lead to inconclusive outcome. We then propose ''quantum'' observables in $Σ^+p$ scattering to help resolve the differing global fits. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_02289 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Hints of Entanglement Suppression in Hyperon-Nucleon Scattering Liu, Qiaofeng Low, Ian High Energy Physics - Phenomenology High Energy Physics - Experiment Nuclear Experiment Nuclear Theory Quantum Physics Hyperon ($Y=Σ,Λ$)-nucleon ($N=n,p$) interactions are crucial for understanding the existence of neutron stars heavier than two solar masses. Amid renewed experimental efforts, we study $YN$ scatterings from the perspective of quantum information, focusing on whether spin entanglement is suppressed in the s-wave channel, which is observed in $np$ scattering and leads to enhanced global symmetries. Using global fits of phase shifts from experimental data, we find hints of entanglement suppression among the eight flavor channels in the strangeness $S=-1$ sector, similar to the $np$ case. One exception is the $Σ^+p$ channel, where conflicting global fits lead to inconclusive outcome. We then propose ''quantum'' observables in $Σ^+p$ scattering to help resolve the differing global fits. |
| title | Hints of Entanglement Suppression in Hyperon-Nucleon Scattering |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment Nuclear Experiment Nuclear Theory Quantum Physics |
| url | https://arxiv.org/abs/2312.02289 |