Hadronic light-by-light scattering in muonium hyperfine splitting
1982 ◽
Vol 48
(26)
◽
pp. 1799-1802
◽
1969 ◽
Vol 23
(10)
◽
pp. 513-517
◽
1984 ◽
Vol 146
(3-4)
◽
pp. 241-243
◽
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