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Electron-positron annihilation into two and three photons around the psi
The authors study the effect of the direct decay of a psi into three photons on electron-positron annihilation into two and three photons. In a charmonium-like bound state model they find a clear effect in e /sup +/e/sup -/ to 3 gamma and a somewhat less pronounced effect in e /sup +/e/sup -/ to 2 g...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
1977
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0550-3213(77)90077-3 http://cds.cern.ch/record/878669 |