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High-statistics measurement of neutral-pion pair production in two-photon collisions
S. Uehara, Y. Watanabe
We have measured the cross section for pi^0 pi^0 production in two-photon collisions using a data sample with an ntegrated luminosity of 95 fb^-1 collected with the Belle detector.…
Evidence for Neutral B Meson Decays to wK*0
P. Goldenzweig
We present the results of a study of the charmless vector-vector decay B0->wK*0 with 657x10^6 BB(bar) pairs collected with the Belle detector at the KEKB e+e- collider. We measure…
Observation of two resonance-like structures in the pi+ chi_c1 mass distribution in exclusive B0-bar --> K- pi+ chi_c1 decays
R. Mizuk, R. Chistov
We report the first observation of two resonance-like structures in the pi+ chi_c1 invariant mass distribution near 4.1 GeV/c^2 in exclusive B0-bar --> K- pi+ chi_c1 decays. From a…
Measurement of Azimuthal Asymmetries in Inclusive Production of Hadron Pairs in e+e- Annihilation at \sqrt{s} = 10.58 GeV
Belle Collaboration, R. Seidl, M. Grosse-Perdekamp +1
The Collins effect connects transverse quark spin with a measurable azimuthal asymmetry in the yield of hadronic fragments around the quark's momentum vector. Using two different r…
High-statistics measurement of neutral-pion pair production in two-photon collisions
Belle Collaboration, S. Uehara, Y. Watanabe
We present a high-statistics measurement of differential cross sections and the total cross section for the process gamma gamma -> pi^0 pi^0 in the kinematic range 0.6 GeV <= W <=…
Measurement of the Moments of the Photon Energy Spectrum in B -> X_s gamma Decays and Determination of |V_cb| and m_b at Belle
Belle Collaboration, C. Schwanda, P. Urquijo +2
Using the previous Belle measurement of the inclusive photon energy in decays, we determine the first and second moments of this spectrum for minimum photon energies in…