$\beta^-{\rm p}$ and $\beta^-\alpha$ decay of the $^{11}$Be neutron halo ground state

Beta-delayed proton emission from the neutron halo ground state of $^{11}$ Be raised much attention due to the unusually high decay rate. It was argued that this may be due to the existence of a resonance just above the proton decay threshold. In this Letter, we use the lenses of real-energy continuum shell model to describe several observables including the Gamow-Teller rates for the $β^{-}$ -delayed $α$ and proton decays, and argue that, within our model, the large $β^{-} p$ branching ratio cannot be reconciled with other data.

$β^{-} p$ and $β^{-} α$ decay of the $^{11}$ Be neutron halo ground state

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$β^{-} p$ and $β^{-} α$ decay of the $^{11}$ Be neutron halo ground state

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β−pβ−p and β−αβ−α decay of the 1111Be neutron halo ground state

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β−pβ−p and β−αβ−α decay of the 1111Be neutron halo ground state

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$β^{-} p$ and $β^{-} α$ decay of the $^{11}$ Be neutron halo ground state

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AI智能校验

$β^{-} p$ and $β^{-} α$ decay of the $^{11}$ Be neutron halo ground state

讲解博客

AI智能校验