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    Probe of the Wtb coupling in $t \bar{t}$ pair production at linear colliders (English)

    In: The European Physical Journal C - Particles and Fields ; 16 , 2 ; 269-278 ; 2000
    • ISSN:
      1434-6044
    • Article (Journal)  /  Print

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    Abstract. The Wtb vertex can be probed on future colliders in the processes of single top production (LHC, pp mode, NLC, $\gamma e$ mode) and of top pair production (NLC, $e^+ e^-$ mode). We analyze observables sensitive to anomalous Wtb couplings in the top pair production process of $e^+ e^-$ collisions. In particular, forward–backward and spin–spin asymmetries of the top decay products and the asymmetry of the lepton energy spectrum are considered. Possible bounds on anomalous couplings obtained are competitive to those expected from the upgraded Tevatron and LHC. The validity of the infinitely small width approximation for the three-body top decay is also studied in detail.

    Table of contents – Volume 16, Issue 2

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    The tables of contents are generated automatically and are based on the data records of the individual contributions available in the index of the TIB portal. The display of the Tables of Contents may therefore be incomplete.

    185
    QCD studies with ${\rm e^+e^-}$ annihilation data at 172-189 GeV
    Abbiendi et al., G. / The OPAL Collaboration et al. | 2000
    185
    QCD studies with e+e- annihilation data at 172-189 GeV
    Abbiendi, G. / Ackerstaff, K. / Akesson, P.F. et al. | 2000
    211
    Search for supersymmetric particles in scenarios with a gravitino LSP and stau NLSP
    Abreu et al., P. / The DELPHI Collaboration et al. | 2000
    229
    A study of the Lorentz structure in tau decays
    Abreu et al., P. / The DELPHI Collaboration et al. | 2000
    253
    Search for resonances decaying to $e^+$ -jet in $e^+p$ interactions at HERA
    Breitweg et al., J. / The ZEUS Collaboration et al. | 2000
    269
    Probe of the Wtb coupling in $t \bar{t}$ pair production at linear colliders
    Boos, E. / Dubinin, M. / Sachwitz, M. / Schreiber, H.J. et al. | 2000
    269
    Probe of the Wtb coupling in t anti t pair production at linear colliders
    Boos, E. / Dubinin, M. / Sachwitz, M. / Schreiber, H.J. et al. | 2000
    279
    Searching for rephase-invariant CP- and CPT-violating observables in meson decays
    Chou, K.C. / Palmer, W.F. / Paschos, E.A. / Wu, Y.L. et al. | 2000
    289
    CP violation in $\Lambda_b \to p \pi^-$ decay
    Mohanta, R. et al. | 2000
    289
    CP violation in LAMBDA b-> p pi - decay
    Mohanta, R. et al. | 2000
    295
    The $\eta_c\gamma \gamma ^*$ transition form factor in the decay $\eta_c\to \gamma \ell^+\ell^-$ and in the crossed channels $\gamma e^-\to \eta_c e^- $ and $e^+e^-\to\eta_c\gamma$
    Di Salvo, E. / Rekalo, M.P. / Tomasi-Gustafsson, E. et al. | 2000
    295
    The eta c gamma gamma * transition form factor in the decay eta c-> gamma l+l- and in the crossed channels gamma e--> eta ce- and e+e--> eta c gamma
    Di Salvo, E. / Rekalo, M.P. / Tomasi, Gustafsson E. et al. | 2000
    303
    The diagonalisation of the Lund fragmentation model I
    Andersson, B. / Söderberg, F. et al. | 2000
    311
    A full next-to-leading order study of direct photon pair production in hadronic collisions
    Binoth, T. / Guillet, J.Ph. / Pilon, E. / Werlen, M. et al. | 2000
    331
    Hadron masses in cavity quantum chromodynamics to order $\alpha_{\rm s}^2$
    Schumann, M. / Lindebaum, R.J. / Viollier, R.D. et al. | 2000
    331
    Hadron masses in cavity quantum chromodynamics to order alpha s2
    Schumann, M. / Lindebaum, R.J. / Viollier, R.D. et al. | 2000
    337
    Structure function of the nucleus in the perturbative QCD with Nc-> infinity (BFKL pomeron fan diagrams)
    Braun, M. et al. | 2000
    337
    Structure function of the nucleus in the perturbative QCD with $N_c\rightarrow\infty$ (BFKL pomeron fan diagrams)
    Braun, M. et al. | 2000
    349
    Implications of color-string percolation on multiplicities, correlations, and the transverse momentum
    Braun, M.A. / Pajares, C. et al. | 2000
    361
    Supersymmetric hadronic bound state detection at $e^+e^-$ colliders
    Antonelli, M. / Fabiano, N. et al. | 2000
    367
    Higgs induced light leptoquark–diquark mixing and proton decay
    Mahanta, U. et al. | 2000

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