Abstract:Using a data sample of e+e− collisions corresponding to an integrated luminosity of 7.93 fb−1 collected with the BESIII detector at the center-of-mass energy 3.773 GeV, we perform the first amplitude analysis of the decay D+→KS0KS0π+. The absolute branching fraction of D+→KS0KS0π+ is measured to be (2.97±0.09stat±0.05syst)×10−3. The dominant intermediate process is D+→KS0K*(892)+, whose branching fraction is determined to be (8.72±0.28stat±0.15syst)×10−3, including all the K*(892)+ decays.
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