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K± → e±νπ0 decays have been studied using the KMN setup at the Institute for High Energy Physics (Protvino). The experiment has been performed in the 36-GeV/c hadron beams of the IHEP accelerator. The accumulated data allow us to select ∼1.08M candidates for Ke3 decays. Analyzing the Dalitz plot of these events, we estimate the linear slope of the charge… (More)
The charge asymmetry of the g, h, and k Dalitz plot parameters forK → π±π0π0 decays has been measured with 35 GeV/c hadron beams at the 70 GeV IHEP accelerator. The g, h, and k values obtained appear to be identical for K decays within the errors quoted. In particular, the charge asymmetry Ag = (g +−g−)/(g++ g) of the slope g is equal to (0.2 ± 1.9) · 10−3.
The g, h, and k Dalitz plot parameters, which are coefficients in a series expansion of the squared module of the matrix element |M(u, v)| ∝ 1+gu+hu+kv (u, v are invariant variables), have been measured for K → πππ decays using 35 GeV/c hadron beams at the IHEP (Protvino) accelerator. Dependences of parameters and fit quality on the ππ mass cut were… (More)