====== TTP14-005 Hyperfine splitting in positronium to O(al^7 m_e): one-photon annihilation contribution ======
 
 
    
^ TTP14-005 Hyperfine splitting in positronium to O(al^7 m_e): one-photon annihilation contribution  ^
|**M. Baker, P. Marquard, A.A. Penin, J.H. Piclum, M. Steinhauser**  | 
|** Phys.Rev.Lett. 112 120407 2014  **  |
| {{preprints:2014:ttp14-005.pdf|PDF}} {{preprints:2014:ttp14-005.ps|PostScript}} [[http://arxiv.org/abs/1402.0876|arXiv]]   |
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