PAPER / ARXIV:2609.04868
Ajjath A H , Simone Alioli , Emanuele Bagnaschi , Arunima Bhattacharya , Huan-Yu Bi , Roberto Bonciani , Marco Bonetti , Francisco Campanario , Sauro Carlotti , Jamie Chang , Long-Bin Chen , Xuan Chen , Yuesheng Dai , Joshua Davies , Giuseppe Degrassi , Pier Paolo Giardino , Massimiliano Grazzini , Ramona Gröber , Gudrun Heinrich , Li-Hong Huang , Rui-Jun Huang , Sebastian Jaskiewicz , Stephen Jones , Stefan Kallweit , Matthias Kerner , Hai Tao Li , Shi-Yuan Li , Jonas M. Lindert , Yan-Qing Ma , Giulia Marinelli , Javier Mazzitelli , Margarete Mühlleitner , Davide Napoletano , Philipp Rendler , Jonathan Ronca , Johannes Schlenk , Kay Schönwald , Hua-Sheng Shao , Michael Spira , Thomas Stone , Daniel Stremmer , Robert Szafron , William J. Torres Bobadilla , Yannick Ulrich , Augustin Vestner , Marco Vitti , Jian Wang , Huai-Min Yu , Hantian Zhang , Fabio Monti , Arantxa Ruiz Martínez , Angela Taliercio , Andreas Papaefstathiou , Ludovic Scyboz
RESUMO
In this contribution, the higher-order QCD and electroweak corrections to Standard Model Higgs boson pair production via the gluon-fusion mechanism, $gg\to hh$, are summarized and the different sources of theoretical uncertainty are assessed. The discussion includes finite top quark mass effects, matching to parton showers, approximate NNLO and N$^3$LO QCD corrections, NLO electroweak effects, and uncertainties associated with the top quark mass scheme and perturbative scale choices. In addition, we provide an updated state-of-the-art recommendation for the inclusive gluon-fusion Higgs boson pair production cross section and the corresponding Higgs boson pair invariant-mass distribution.
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