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Title: Higgs boson pair production via gluon fusion at N3LO in QCD

Journal Article · · Physics Letters. B
 [1]; ORCiD logo [2];  [3]; ORCiD logo [4]
  1. Guangzhou Univ. (China)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Sorbonne Univ., Paris (France); Centre National de la Recherche Scientifique (CNRS), Paris (France). Lab. de Physique Théorique et Hautes Energies (LPTHE)
  4. Shandong Univ. (China)

We present next-to-next-to-next-to-leading order ( N 3 LO ) QCD predictions for the Higgs boson pair production via gluon fusion at hadron colliders in the infinite top-quark mass limit. Besides the inclusive total cross sections at various collision energies, we also provide the invariant mass distribution of the Higgs boson pair. Our results show that the N 3 LO QCD corrections enhance the next-to-next-to-leading order cross section by 3.0% (2.7%) at s =13(100)TeV , while the scale uncertainty is reduced substantially below 3% (2%). We also find that a judicious scale choice can significantly improve the perturbative convergence. For the invariant mass distribution, our calculation demonstrates that the N3LO corrections improve the scale dependence but almost do not change the shape.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
National Natural Science Foundation of China (NSFC); USDOE Laboratory Directed Research and Development (LDRD) Program; Institut Lagrange de Paris (ILP) Labex; German Federal Ministry of Education and Research (BMBF); USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
89233218CNA000001; 11747051; 11805042
OSTI ID:
1599698
Alternate ID(s):
OSTI ID: 1630863
Report Number(s):
LA-UR-19-30443; TRN: US2200703
Journal Information:
Physics Letters. B, Vol. 803, Issue C; ISSN 0370-2693
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Figures / Tables (7)