Higgs Radiation off Top Quarks at the Tevatron and the LHC

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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5 pages, latex, 2 figures

Scientific paper

10.1103/PhysRevLett.87.201805

Higgs bosons can be searched for in the channels $p\bar p/pp\to t\bar tH+X$ at the Tevatron and the LHC. We have calculated the QCD corrections to these processes in the Standard Model at next-to-leading order. The higher-order corrections reduce the renormalization and factorization scale dependence considerably and stabilize the theoretical predictions for the cross sections. At the central scale $\mu=(2m_t+M_H)/2$ the properly defined $K$ factors are slightly below unity for the Tevatron ($K \sim 0.8$) and slightly above unity for the LHC ($K \sim 1.2$).

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