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Amplitude Analysis of the Decays \(D^0\toπ^+π^-π^+π^-\) and \(π^+π^-π^0π^0\)

By Besiii Collaboration and others
Using \(e^+e^-\) annihilation data corresponding to an integrated luminosity of 2.93 \(\rm fb^{-1}\) taken at the center-of-mass energy \(\sqrt{s}=3.773\)~GeV with the BESIII detector, a joint amplitude analysis is performed on the decays \(D^0\to\pi^+\pi^-\pi^+\pi^-\) and \(D^0\to\pi^+\pi^-\pi^0\pi^0\)(non-\(\eta\)). The fit fractions of individual components are obtained, and large interferences among the dominant components... Show more
April 3, 2024
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