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Estimating the impact of mixed QCD-electroweak corrections on the $W$-mass determination at the LHC
/ Behring, Arnd (KIT, Karlsruhe, TP) ; Buccioni, Federico (Oxford U., Theor. Phys.) ; Caola, Fabrizio (Oxford U., Theor. Phys.) ; Delto, Maximilian (KIT, Karlsruhe, TP) ; Jaquier, Matthieu (KIT, Karlsruhe, TP) ; Melnikov, Kirill (KIT, Karlsruhe, TP) ; Röntsch, Raoul (CERN)
We study the impact of the recently computed mixed QCD-electroweak corrections to the production of $W$ and $Z$ bosons at the LHC on the value of the $W$ mass extracted from the transverse momentum distribution of charged leptons from $W$ decays. Using the average lepton transverse momenta in $W$ and $Z$ decays as simplified observables for the determination of the $W$ mass, we estimate that mixed QCD-electroweak corrections can shift the extracted value of the $W$ mass by up to ${\cal O}(20)~{\rm MeV}$, depending on the kinematic cuts employed to define fiducial cross sections for $Z$ and $W$ production. [...]
arXiv:2103.02671.-
2021-06-07 - 6 p.
- Published in : Phys. Rev. D 103 (2021) 113002
Article from SCOAP3: PDF; Fulltext: PDF;
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Mixed QCD-electroweak corrections to W-boson production in hadron collisions
/ Behring, Arnd (KIT, Karlsruhe, TTP) ; Buccioni, Federico (Oxford U., Theor. Phys.) ; Caola, Fabrizio (Oxford U., Theor. Phys. ; Oxford U.) ; Delto, Maximilian (KIT, Karlsruhe, TTP) ; Jaquier, Matthieu (KIT, Karlsruhe, TTP) ; Melnikov, Kirill (KIT, Karlsruhe, TTP) ; Röntsch, Raoul (CERN)
We compute mixed QCD-electroweak corrections to the fully-differential production of an on-shell $W$ boson. Decays of $W$ bosons to lepton pairs are included in the leading order approximation. [...]
arXiv:2009.10386; TTP20-033; P3H-20-048; OUTP-20-09P; CERN-TH-2020-152.-
2021-01-28 - 40 p.
- Published in : Phys. Rev. D 103 (2021) 013008
Article from SCOAP3: PDF; Fulltext: PDF;
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Mixed QCD-electroweak corrections to on-shell Z production at the LHC
/ Buccioni, Federico (Oxford U., Theor. Phys.) ; Caola, Fabrizio (Oxford U., Theor. Phys. ; Oxford U.) ; Delto, Maximilian (KIT, Karlsruhe, TTP) ; Jaquier, Matthieu (KIT, Karlsruhe, TTP) ; Melnikov, Kirill (KIT, Karlsruhe, TTP) ; Röntsch, Raoul (CERN)
We present the first complete calculation of mixed QCD-electroweak corrections to the production of on-shell $Z$ bosons in hadron collisions and their decays to massless charged leptons. Our computation is fully differential with respect to final state QCD partons and resolved photons, allowing us to compute any infra-red safe observable pertinent to the $pp \to Z \to l^+ l^-$ process in the approximation that the $Z$ boson is on shell. [...]
arXiv:2005.10221; OUTP-20-04P,TTP20-021; P3H-20-019; CERN-TH-2020-072.-
2020-12-10 - 6 p.
- Published in : Phys. Lett. B 811 (2020) 135969
Article from SCOAP3: PDF; Fulltext: PDF;
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Precise predictions for boosted Higgs production
/ Becker, Kathrin (Freiburg U.) ; Caola, Fabrizio (Oxford U., Theor. Phys.) ; Massironi, Andrea (CERN ; INFN, Milan Bicocca) ; Mistlberger, Bernhard (MIT) ; Monni, Pier Francesco (CERN) ; Chen, Xuan (Zurich U.) ; Frixione, Stefano (INFN, Genoa) ; Gehrmann, Thomas (Zurich U.) ; Glover, Nigel (Durham U., IPPP) ; Hamilton, Keith (University Coll. London) et al.
Inclusive Higgs boson production at large transverse momentum is induced by different production channels. We focus on the leading production through gluon fusion, and perform a consistent combination of the state of the art calculations obtained in the infinite-top-mass effective theory at next-to-next-to-leading order (NNLO) and in the full Standard Model (SM) at next-to-leading order (NLO). [...]
arXiv:2005.07762; CERN-TH-2020-074.-
2024-01-04 - 17 p.
- Published in : SciPost Phys. Core 7 (2024) 001
Fulltext: 2005.07762 - PDF; document - PDF; Publication - PDF;
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Higher-Order QCD corrections to Higgs Boson transverse-momentum distribution
/ Caola, Fabrizio (Oxford U.) ; Lindert, Jonas M (Sussex U.) ; Melnikov, Kirill (KIT, Karlsruhe) ; Monni, Pier F (CERN) ; Tancredi, Lorenzo (Oxford U.) ; Wever, Chris (Munich, Tech. U.) ; Kudashkin, Kirill (Milan U.)
We present up-to-date Standard Model theory predictions for the Higgs transverse-momentum (p⊥) distribution. In the region of intermediate values of transverse momenta we present the NNLL+NLO QCD predictions including both top and bottom quark contributions. [...]
2019 - 5 p.
- Published in : (2019) , pp. 27-31
Fulltext: PDF;
In : Strong Dynamics for Physics within and beyond the Standard Model at LHC and Future Colliders, Trento, Italy, 9 - 13 Sep 2019, pp.27-31
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Bottom quark mass effects in associated $WH$ production with $H \to b\bar{b}$ decay through NNLO QCD
/ Behring, Arnd (KIT, Karlsruhe) ; Bizoń, Wojciech (Karlsruhe U., ITP ; KIT, Karlsruhe) ; Caola, Fabrizio (Oxford U., Theor. Phys.) ; Melnikov, Kirill (Karlsruhe U., ITP) ; Röntsch, Raoul (CERN)
We present a computation of NNLO QCD corrections to the production of a Higgs boson in association with a $W$ boson at the LHC followed by the decay of the Higgs boson to a $b\bar{b}$ pair. At variance with previous NNLO QCD studies of the same process, we treat $b$ quarks as massive. [...]
arXiv:2003.08321; TTP20-011; P3H-20-009; CERN-TH-2020-043.-
2020-06-17 - 16 p.
- Published in : Phys. Rev. D 101 (2020) 114012
Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF;
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