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Near-threshold prod...
Near-threshold production of antihydrogen positive ion in positronium-antihydrogen collision
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- Yamashita, Takuma (author)
- Tohoku Univ, Inst Excellence Higher Educ, Sendai, Miyagi 9808576, Japan.;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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- Hiyama, Emiko (author)
- Kyushu Univ, Dept Phys, Fukuoka 8190395, Japan.;RIKEN, Nishina Ctr, Wako, Saitama 3510198, Japan.
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- Jonsell, Svante (author)
- Stockholms universitet,Fysikum,Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden.
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- Froelich, Piotr (author)
- Uppsala universitet,Institutionen för kemi - Ångström
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Tohoku Univ, Inst Excellence Higher Educ, Sendai, Miyagi 9808576, Japan;Tohoku Univ, Dept Chem, Sendai, Miyagi 9808578, Japan. Tohoku Univ, Dept Chem, Sendai, Miyagi 9808578, Japan. (creator_code:org_t)
- 2021-01-15
- 2021
- English.
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In: New Journal of Physics. - : IOP Publishing. - 1367-2630. ; 23:1
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Abstract
Subject headings
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- Near-threshold production of antihydrogen ion (H+) in positronium-antihydrogen collisions is predicted by a rigorous four-body scattering calculation. The convergence of the cross sections for the rearrangement and for all competing reactions (elastic scattering, de/excitation and de/polarization of positronium) is carefully examined against partial waves. The multi-channel scattering solutions are composed of functions that diagonalize the four-body Hamiltonian, and scattering functions that satisfy the correct asymptotic boundary conditions. The production rates of H+ show large discrepancies compared to more approximate calculations.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Keyword
- antihydrogen
- positronium
- antihydrogen positive ion
- four-body calculation
Publication and Content Type
- ref (subject category)
- art (subject category)
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