Production of two Z-bosons in gluon fusion in the heavy top quark approximation

By K. Melnikov, M. Dowling. 2015

170 citations recorded by the source corpus.

Abstract We compute QCD radiative corrections to the continuum production of a pair of Z-bosons in the annihilation of two gluons. We only consider the contribution of the top quark loops and we treat them assuming that m t is much larger than any other kinematic invariant in the problem. We estimate the QCD corrections to p p → Z Z using the first non-trivial term in the expansion in the inverse top quark mass and we compare them to QCD corrections of the signal process, p p → H → Z Z .

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/d090701b10cb440e13c85b13b42eb9d9fa0cb3e5

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In Nuclear and High Energy Physics

1. Hai Tao Li
2. Jian Wang
3. D. Shao
4. Chong-Sheng Li

Citations in the corpus

• Soft gluon resummation in the signal-background interference process of gg(→ h∗) → ZZ (2015, background): “We also find that the approximate K-factors in the interference and the pure signal processes are the same, which is in agreement with the statements in previous literatures [3, 24].”