Main Image
Volume 303 - Loops and Legs in Quantum Field Theory (LL2018) - Parallel 3
Fully Differential Higgs Pair Production in Association With a Vector Boson at NNLO in QCD
C.S. Li, H. Li, J. Wang*
*corresponding author
Full text: pdf
Published on: 2018 October 02
The Higgs self-coupling is an important parameter in the standard model to clarify the electroweak symmetry breaking mechanism,
which can be measured via Higgs boson pair productions at hadron colliders.
We present a fully differential NNLO QCD calculation of the Higgs boson pair production in association
with a massive gauge boson at hadron colliders.
For $Whh$ production, the NNLO effects reduce the scale uncertainties significantly, and are sizeable in the large transverse momentum region.
For $Zhh$ production, the NNLO effects enhance the NLO total cross sections by $20\%- 50\%$, and change the shape of NLO kinematic distributions. The impact on the extraction of the self-coupling from experiments is significant.
These theoretical results can be utilised in future experimental analysis.
Open Access
Creative Commons LicenseCopyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.