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Article Dans Une Revue Phys.Lett.B Année : 2021

Antiproton-deuteron hydrogenic states in optical models

Résumé

By solving the Faddeev equations for the p̄pn system, we compute the antiproton-deuteron level shifts and widths for the lowest hydrogenic states as well as the corresponding p̄d scattering lengths and volumes. The p̄d annihilation densities are obtained and compared to the nuclear density of deuterium. The validity of the Trueman relation for composite particles is studied. The strong part of N̄N interaction is described by two different optical models, including the p̄p-n̄n coupling and n-p mass difference, while for NN several realistic interactions are used.

Dates et versions

hal-03321349 , version 1 (17-08-2021)

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Rimantas Lazauskas, Jaume Carbonell. Antiproton-deuteron hydrogenic states in optical models. Phys.Lett.B, 2021, 820, pp.136573. ⟨10.1016/j.physletb.2021.136573⟩. ⟨hal-03321349⟩
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