Convenient location of a near-threshold proton-emitting resonance in ${}^{11}$B

Abstract

The presence of cluster-like narrow resonances in the vicinity of reaction/decay thresholds is a ubiquitous phenomenon with profound consequences. We argue that the continuum coupling, present in the open quantum system description of the atomic nucleus, can profoundly impact the nature of near-threshold states. In this Letter, we discuss the structure of the recently observed near-threshold resonance in ${}^{11}$B, whose very existence explains the puzzling beta-delayed proton emission of the neutron-rich ${}^{11}$Be.

arXiv comment4 pages, 3 figures

References in corpus (13)

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• Analysis of the 16O(p,gamma)17F capture reaction using the shell model embedded in the continuum
• On the origin of nuclear clustering
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• Toward understanding the microscopic origin of nuclear clustering
• Direct observation of proton emission in 11Be
• First observation of unbound ${}^{11}$O, the mirror of the halo nucleus ${}^{11}$Li
• Rare $\beta$p decays in light nuclei
• An above-barrier narrow resonance in ${}^{15}$F
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Cited by in corpus (16)

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• Neutron Stars with Baryon Number Violation, Probing Dark Sectors
• Neutron's Dark Secret
• Gamow Shell Model description of Li isotopes and their mirror partners
• Nucleon-nucleon correlations in the extreme oxygen isotopes
• Observation of the near-threshold intruder $0^{-}$ resonance in ${}^{12}$Be
• Spectroscopic factors in dripline nuclei
• Neutron Dark Decay
• $\beta$-delayed proton emission from ${}^{11}$Be in effective field theory
• The Lowest Broad Alpha Cluster Resonances in ${}^{19}$F
• ${\beta }^{-}\mathrm{p}$ and ${\beta }^{-}\alpha$ decay of the ${}^{11}$Be neutron halo ground state
• Single-particle properties of the near-threshold proton-emitting resonance in ${}^{11}$B
• The role of low-lying resonances for ${}^{10}$Be(p,$\alpha$) reaction rate and implications for the formation of the Solar System
• Weak decay of halo nuclei
• Description of ${}^7$Be and ${}^7$Li within the Gamow Shell Model
• Description of the proton-decaying 0${}_2^{+}$ resonance of the $\alpha$ particle