On Possible Existence of Close-to-Threshold Level in the p̄d System
A nuclear-like bound state with a binding energy close to the tritium binding energy and with quantum numbers I(Jp) = 1/2(1/2-) was obtained for the p̄pn system without specification of NN and NN potentials by using the Faddeev equations. A search for the predicted quasi-tritium state was concentrated in experiments on the annihilation of stopped antiprotons in deuterium with the emission of monoenergetic γ quanta that correspond to radiation transitions from the states of the pd atom to the examined quasi-tritium state with a relative intensity ≳ 10–3.
KeywordsBinding Energy Faddeev Equation Nuclear Scattering Wide Energy Region Faddeev Integral Equation
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