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Production of the Smallest QED Atom: True Muonium (mu^+ mu^-)

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arxiv 0904.2225 v2 pith:M2QGZTVQ submitted 2009-04-15 hep-ph physics.atom-ph

Stanley J. Brodsky , Richard F. Lebed This is my paper · ORCID
classification hep-phphysics.atom-ph
keywords truemuoniumproductiontauoniumatomboundcolliderscompact
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The "true muonium" (mu^+ mu-) and "true tauonium" (tau^+ tau^-) bound states are not only the heaviest, but also the most compact pure QED systems. The rapid weak decay of the tau makes the observation of true tauonium difficult. However, as we show, the production and study of true muonium is possible at modern electron-positron colliders.

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Forward citations

Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Nonlinear trident using WKB and worldline instantons

    hep-ph 2024-12 conditional novelty 7.0 of 10

    First WKB and worldline-instanton calculations of nonlinear trident in time-dependent and spacetime-dependent electric fields, including direct and exchange terms and a Coulomb suppression factor.

  2. Searching for True Muonium in Relativistic Heavy Ion Collisions

    nucl-th 2025-05 reject novelty 6.0 of 10

    The paper predicts effective true muonium production cross sections of 1.23 μb in 200 GeV AuAu and 14.2 μb in 5.02 TeV PbPb collisions, corresponding to O(10^4) and O(10^5) atoms per billion central events.

  3. Production of leptonium in heavy quarkonium decays

    hep-ph 2025-05 conditional novelty 6.0 of 10

    J/psi decays can produce ortho-dimuonium at a branching fraction of about 1.5e-12, while Upsilon decays allow tauonium production, with several channels potentially observable at planned facilities.

  4. Creating true muonium via charmonium radiative decay

    hep-ph 2024-12 conditional novelty 6.0 of 10

    Predicts Br(J/psi -> gamma + true para-muonium) around 7e-13, implying about 2-3 events per year at the proposed Super Tau-Charm Facility.

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