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First determination of the $CP$ content of $D \to \pi^+\pi^-\pi^+\pi^-$ and updated determination of the $CP$ contents of $D \to \pi^+\pi^-\pi^0$ and $D \to K^+K^-\pi^0$
Quantum-correlated $\psi(3770) \to D\bar{D}$ decays collected by the CLEO-c experiment are used to perform a first measurement of $F_+^{4\pi}$, the fractional $CP$-even content of the self-conjugate decay $D \to \pi^+\pi^-\pi^+\pi^-$, obtaining a value of $0.737 \pm 0.028$. An important input to the...
Autores principales: | , , , , , , , , , |
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Lenguaje: | eng |
Publicado: |
2015
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1016/j.physletb.2015.05.043 http://cds.cern.ch/record/2011807 |