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Higgs bosons with large transverse momentum at the LHC
https://repo.scoap3.org/record/25403
We compute the next-to-leading order QCD corrections to the production of Higgs bosons with large transverse momentum p⊥≫2mt at the LHC. To accomplish this, we combine the two-loop amplitudes for processes gg→Hg , qg→Hq and qq¯→Hg , recently computed in the approximation of nearly massless top quarks, with the numerical calculation of the squared one-loop amplitudes for gg→Hgg , qg→Hqg and qq¯→Hgg processes. The latter computation is performed with OpenLoops . We find that the QCD corrections to the Higgs transverse momentum distribution at very high p⊥ are large but quite similar to the QCD corrections obtained for point-like Hgg coupling. Our result removes one of the largest sources of theoretical uncertainty in the description of high- p⊥ Higgs boson production and opens a way to use the high- p⊥ region to search for physics beyond the Standard Model.Kudashkin, KirillWed, 09 May 2018 13:40:08 GMThttps://repo.scoap3.org/record/25403urn:ISSN:0370-2693Elsevier2018-06-26Two-loop amplitudes for processes gg → Hg, qg → Hq and q q ¯ → H g $$ \mathrm{q}\overline{\mathrm{q}}\to \mathrm{H}\mathrm{g} $$ at large Higgs transverse momentum
https://repo.scoap3.org/record/23969
We compute the two-loop QCD corrections to amplitudes for processes gg → Hg, qg → Hq and q q ¯ → H g $$ q\overline{q}\to Hg $$ in the limit when the Higgs transverse momentum is larger than the top quark mass, p ⊥ ≫ m t . These amplitudes are important ingredients for understanding higher-order QCD effects on Higgs transverse momentum distribution at large p ⊥ .Kudashkin, KirillMon, 26 Feb 2018 05:36:07 GMThttps://repo.scoap3.org/record/23969urn:ISSN:1029-8479Springer/SISSA2018-02-21