The decays of on-shell and off-shell polarized gauge bosons into massive quark pairs at NLO QCD
Copyright policy )The decays of on-shell and off-shell polarized gauge bosons into massive quark pairs at NLO QCD
We discuss the polar angle decay distribution in the decay of on-shell and off-shell polarized (W,Z) gauge bosons into massive quark pairs. In particular for the off-shell decays in $H \to (W,Z) + (W^\ast,Z^\ast) (\to q_1\bar q_2)$ it is important to keep the masses of the charm and bottom quarks at their finite values since the scale of the problem is not set by $m_{W,Z}^2$ but by the off-shellness of the gauge boson which varies in the range $(m_1+m_2)^2 \le q^2 \le (m_H-m_{W,Z})^2$.
5 pages, 2 figures, invited talk given by J.G. K\"orner at the 20th International Symposium on Spin Physics, September 17-22, 2012, Dubna Russia
- Johannes Gutenberg University of Mainz Germany
- University of Tartu Estonia
High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), FOS: Physical sciences
High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), FOS: Physical sciences
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