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Four-body treatment...
Four-body treatment of the antihydrogen-positronium system : binding, structure, resonant states and collisions
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- Froelich, Piotr (author)
- Uppsala universitet,Teoretisk kemi
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- Yamashita, Takuma (author)
- Tohoku Univ, Dept Chem, Sendai, Miyagi 9808578, Japan
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- Kino, Yasushi (author)
- Tohoku Univ, Dept Chem, Sendai, Miyagi 9808578, Japan
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- Jonsell, Svante (author)
- Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden
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- Hiyama, Emiko (author)
- RIKEN, Nishina Ctr, Wako, Saitama 3510198, Japan
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- Piszczatowski, Konrad (author)
- Uppsala universitet,Teoretisk kemi
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(creator_code:org_t)
- 2019-05-06
- 2019
- English.
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In: Hyperfine Interactions. - : Springer. - 0304-3843 .- 1572-9540.
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Abstract
Subject headings
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- 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 (H) over bar -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 (H) over bar -Ps scattering, notably for the excitation of Ps and for the rearrangement reaction producing the (H) over bar (+) ions.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Keyword
- Antihydrogen
- Positronium
- Collisions
Publication and Content Type
- ref (subject category)
- kon (subject category)
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