Four-body treatment of the antihydrogen-positronium system: binding, structure, resonant states and collisions

Piotr Froelich, Takuma Yamashita, Yasushi Kino, Svante Jonsell, Emiko Hiyama, Konrad Piszczatowski

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We have developed a coupled-rearrangement-channel method allowing the rigorous non-adiabatic treatment of the multi-channel scattering problem for four particles. We present the study of the binding, resonant and collisional properties of the H̄ − Ps system with the total angular momentum J = 0 + (singlet positronic configuration). The binding energy, the life-times of the resonant states and the collisional cross sections are calculated and discussed. We present the preliminary cross sections for the elastic and inelastic H̄ − Ps scattering, notably for the excitation of Ps and for the rearrangement reaction producing the H̄ + ions.

Original languageEnglish
Article number46
JournalHyperfine Interactions
Volume240
Issue number1
DOIs
Publication statusPublished - Jun 1 2019
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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