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

• DOI: 10.48550/arxiv.1611.09253
• Publication Date: 2016-01-01
• Authors: P. d’Argent; J. Benton; J. Dalseno; E. Gersabeck; S. T. Harnew; P. Naik; C. Prouvé; Jonas Rademacker; N. Skidmore
• Keywords: Substructure; Line (geometry)

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