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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…
Study of the suppressed B meson decay B^- -> D K^-, D -> K^+ π^-
Belle Collaboration, Y. Horii, K. Trabelsi +1
We report a study of the suppressed B meson decay B^- -> D K^- followed by D -> K^+ π^-, where D indicates a D^0 or \bar{D}^0 state. The two decay paths interfere and provide infor…
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…
Improved search for D^0 mixing using semileptonic decays at Belle
BELLE Collaboration, U. Bitenc
A search for mixing in the neutral D meson system has been performed using semileptonic D0 -> K(*)- e+ νand D0 -> K(*)- μ+ νdecays. Neutral D mesons from D*+ -> D0 π_s^+ decays are…
Study of W boson polarisations and Triple Gauge boson Couplings in the reaction e+e- -> W+W- at LEP 2
The DELPHI Collaboration, J. Abdallah
A determination of the single W Spin Density Matrix (SDM) elements in the reaction e+e- -> W+W- -> l nu q qbar (l=e/mu) is reported at centre-of-mass energies between 189 and 209 G…
Measurement of the Tau Lepton Polarisation at LEP2
DELPHI Collaboration, J. Abdallah
A first measurement of the average polarisation P_tau of tau leptons produced in e+e- annihilation at energies significantly above the Z resonance is presented. The polarisation is…