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Details on the $O(m_{e}\alpha^{6})$ positronium hyperfine splitting due to single photon annihilation
A detailed presentation is given of the analytic calculation of the single photon annihilation contributions to the positronium ground state hyperfine splitting to order $m_e\alpha^6$ in the framework of nonrelativistic effective theories. The current status of the theoretical description of the pos...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
1999
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevA.62.012109 http://cds.cern.ch/record/401380 |