Amplitude analysis of $D^{0} \rightarrow \pi^{+} \pi^{-} \pi^{+} \pi^{-}$ decays using CLEO-c data Article Swipe

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P. d’Argent , J. Benton , J. Dalseno , E. Gersabeck , S. T. Harnew , P. Naik , C. Prouvé , J. H. Rademacker , N. Skidmore ·

YOU? · · 2017 · Open Access · · DOI: https://doi.org/10.22323/1.289.0084

The resonant substructure of the decay $D^{0} \rightarrow \pi^{+} \pi^{-} \pi^{+} \pi^{-}$ is studied by performing a full five-dimensional amplitude analysis. Preliminary results based on data collected by the CLEO-c detector are presented. This is the largest dataset of $D^{0} \rightarrow \pi^{+} \pi^{-} \pi^{+} \pi^{-}$ decays analysed in this way to-date. The two most significant contributions are $D^{0} \rightarrow a_{1}(1260)^{+} \pi^{-}$ and $D^{0} \rightarrow \rho(770)^{0}\rho(770)^{0}$. The line shape, mass and width of the $a_{1}(1260)$ resonance are determined, and model-independent studies of the line shapes of several resonant contributions are preformed.

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Pi Physics Amplitude Particle physics Substructure Dalitz plot Nuclear physics Meson Optics Geometry Mathematics Engineering Structural engineering

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Type: preprint
Language: en
Landing Page: https://doi.org/10.22323/1.289.0084
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Title: Amplitude analysis of $D^{0} \rightarrow \pi^{+} \pi^{-} \pi^{+} \pi^{-}$ decays using CLEO-c data

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Language: en

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Publication year: 2017

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Authors: P. d’Argent, J. Benton, J. Dalseno, E. Gersabeck, S. T. Harnew, P. Naik, C. Prouvé, J. H. Rademacker, N. Skidmore

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Concepts: Pi, Physics, Amplitude, Particle physics, Substructure, Dalitz plot, Nuclear physics, Meson, Optics, Geometry, Mathematics, Engineering, Structural engineering

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