Abstract
The contribution to the cross section for the production of pairs of Higgs bosons from quark antiquark annihilation is determined. This contribution comes entirely from box graphs of vector bosons and is significantly smaller than the production of pairs of Higgs by gluon fusion or vector boson fusion.
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Dicus, D.A. Higgs boson pair production from quark antiquark annihilation. Z. Phys. C - Particles and Fields 39, 583–584 (1988). https://doi.org/10.1007/BF01555991
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DOI: https://doi.org/10.1007/BF01555991