Production and study of antideuterium with the GBAR beamline
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mover><mml:mi>D</mml:mi> <mml:mo>¯</mml:mo></mml:mover> </mml:math> production rate assuming 1e9 ortho- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mtext>Ps</mml:mtext></mml:math> from a flat target interact with <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mover><mml:mi>d</mml:mi> <mml:mo>¯</mml:mo></mml:mover> </mml:math> with <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>12</mml:mn> <mml:mspace></mml:mspace> <mml:mrow><mml:mtext>k</mml:mtext> <mml:mspace></mml:mspace></mml:mrow> </mml:mrow> </mml:math> (blue) or inside a cavity (orange). Within the cavity, <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mtext>Ps</mml:mtext></mml:math> can be excited to the 2<i>P</i> state, further increasing the charge exchange cross-section for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mover><mml:mi>d</mml:mi> <mml:mo>¯</mml:mo></mml:mover> </mml:math> at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>2</mml:mn> <mml:mspace></mml:mspace> <mml:mrow><mml:mtext>k</mml:mtext> <mml:mspace></mml:mspace></mml:mrow> </mml:mrow> </mml:math> (green). Cross-sections are calculated using the Convergent Close Coupling (CCC, solid) method [36] and the Coulomb-Born approximation (CBA, dashed) [37].
Authors
- Ben Ohayon (ORCID: https://orcid.org/0000-0003-0045-5534)
- P. Crivelli (ORCID: https://orcid.org/0000-0001-5430-9394)
- Philipp Blumer (ORCID: https://orcid.org/0000-0001-9610-5963)
Institutions
- Technion – Israel Institute of Technology (IL)
- ETH Zurich (CH)
Publication Details
- Journal
- The European Physical Journal D
- Published
- 2025-03-01
- DOI
- https://doi.org/10.1140/epjd/s10053-025-00963-6
- Citations
- 2
- Primary Topic
- Atomic and Molecular Physics
- Type
- article
- Field-Weighted Citation Impact
- 2.49
Funders
- National Science Foundation
- Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
- Eidgenössische Technische Hochschule Zürich