Measurement of the ω → π + π − π 0 Dalitz plot distribution
نویسندگان
چکیده
منابع مشابه
Measurement of the Dalitz plot slopes of the K ± → π ± π + π − decay
The distribution of the K± → π±π+π− decays in the Dalitz plot has been measured by the NA48/2 experiment at the CERN SPS with a sample of 4.71×10 fully reconstructed events. With the standard Particle Data Group parameterization the following values of the slope parameters were obtained: g = (−21.134±0.014)%, h = (1.848± 0.039)%, k = (−0.463± 0.012)%. The quality and statistical accuracy of the...
متن کاملMeasurement of the Dalitz plot slope parameters of the K ± → π ± π + π − decay
The distribution of the K± → π±π+π− decays in the Dalitz plot has been measured by the NA48/2 experiment at the CERN SPS with a sample of 4.71×10 fully reconstructed events. With the standard Particle Data Group parameterization the following values of the slope parameters were obtained: g = (−21.134±0.017)%, h = (1.848± 0.040)%, k = (−0.463± 0.014)%. The quality and statistical accuracy of the...
متن کاملDalitz plot studies of D 0 → K 0 S π + π − decays
The availaible data on the D0 → K0 S π+π− decays are analysed in the framework of the quasi two-body QCD factorization approximation. The annihilation, via Wexchange, amplitudes are added to the weak-decay tree amplitudes. The doubly Cabibbo suppressed parts of the amplitudes are also considered. The strong interactions between the kaon-pion and pion-pion pairs in the S -, Pand D-final states a...
متن کاملMeasurement of Γ ( K S → π + π − ( γ ) ) / Γ ( K S → π 0 π 0 )
We have measured the ratio R S = Γ(KS → π π(γ))/Γ(KS → π π) with the KLOE detector at the DAΦNE ee collider. This measurement is fully inclusive with respect to the ππγ final state. The sample of over 10 two-pion decays of tagged KS mesons allows a statistical error as low as ∼ 0.1% to be obtained. The accuracy is limited by systematic uncertainties, which are estimated primarily from data. We ...
متن کامل0 Observation of the φ → π + π − π + π − Decay
Using 11.6 pb of data collected in the energy range 0.984–1.06 GeV by CMD-2 at VEPP-2M, the cross section of the reaction e+e− → π+π−π+π− has been studied. For the first time an interference pattern was observed in the energy dependence of the cross section near the φ meson. The branching ratio of the φ → π+π−π+π− decay double suppressed by the G-parity and OZI rule is measured Br(φ → ππππ) = (...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 2017
ISSN: 0370-2693
DOI: 10.1016/j.physletb.2017.03.050