Phys. Rev. A 58, 3552–3560 (1998)Order mα6 contributions to ground-state hyperfine splitting in positroniumSee Also: Erratum Received 8 April 1998; published in the issue dated November 1998 A Bethe-Salpeter based bound-state formalism is applied to the calculation of recoil contributions of order mα6 to hyperfine splitting in ground-state positronium. The calculation involves the numerical evaluation of two- and three-photon exchange diagrams along with derivative terms and many-potential contributions. After inclusion of all other contributions of the same order, a comparison with other calculations and experiment is made. © 1998 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.58.3552
DOI:
10.1103/PhysRevA.58.3552
PACS:
36.10.Dr, 12.20.Ds, 31.15.Md, 31.30.Jv
See AlsoErratum: G. S. Adkins and J. Sapirstein, Erratum: Order mα6 contributions to ground-state hyperfine splitting in positronium [Phys. Rev. A 58, 3552 (1998)], Phys. Rev. A 61, 069902 (2000). |
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