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Dynamics of the pionium with the density matrix formalism
The evolution of pionium, the pi /sup +/ pi /sup -/ hydrogen-like atom, passing through matter is described by the density matrix formalism in the first Born approximation. We compare the probability-based calculations with the more precise density matrix formalism which takes into account the inter...
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
2004
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/908825 |