Fully differential Higgs boson pair production in association with a Z boson at next-to-next-to-leading order in QCD

We present a fully differential next-to-next-to-leading order QCD calculation of the Higgs pair production in association with a Z boson at hadron colliders, which is important for probing the trilinear Higgs self-coupling. The next-to-next-to-leading-order corrections enhance the next-to-leading or...

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Bibliographic Details
Published in:Physical review. D 2018-04, Vol.97 (7), p.074026, Article 074026
Main Authors: Li, Hai Tao, Li, Chong Sheng, Wang, Jian
Format: Article
Language:English
Subjects:
Atomic and Nuclear Physics
Coupling
Higgs bosons
Pair production
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Quarks
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Summary:We present a fully differential next-to-next-to-leading order QCD calculation of the Higgs pair production in association with a Z boson at hadron colliders, which is important for probing the trilinear Higgs self-coupling. The next-to-next-to-leading-order corrections enhance the next-to-leading order total cross sections by a factor of 1.2–1.5, depending on the collider energy, and change the shape of next-to-leading order kinematic distributions. We discuss how to determine the trilinear Higgs self-coupling using our results.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.97.074026