共 4 条
[1]
Order mα6 contributions to ground-state hyperfine splitting in positronium
[J].
PHYSICAL REVIEW A,
1998, 58 (05)
:3552-3560
[2]
Positronium S-state spectrum:: Analytic results at O(m α6)
[J].
PHYSICAL REVIEW A,
1999, 59 (06)
:4316-4330
[3]
DZARNECKI A, 1999, PHYS REV LETT, V82, P311
[4]
Effective Hamiltonian approach to the bound state: Positronium hyperfine structure
[J].
PHYSICAL REVIEW A,
1997, 56 (01)
:297-304