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Finite-size correction to the pionium lifetime due to ω and η' contributions
It is shown that for pNi interactions at 24 GeV/c, the fractions of the $π^±$$_ωπ^{\mp}$ and $\pi^{\pm}_{\eta}, \pi^{\pm}$ pairs with one pion from the ω and η' decays, respectively, at small values of the relative momentum Q ≤ 4 MeV/c of pions in the c.m. system of the $π^+π^−$ pair are $f_ω =...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2009
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1088/0954-3899/36/10/105004 http://cds.cern.ch/record/1378844 |