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Full and approximated NLO predictions for like-sign W-boson scattering at the LHC
/ Dittmaier, Stefan (Freiburg U.) ; Schwan, Christopher (Wurzburg U.) ; Winterhalder, Ramon (Louvain U., CP3)
/CERN-LHC Collaboration
We report on a recent calculation of next-to-leading-order (NLO) QCD and electroweak corrections to like-sign W-boson scattering at the Large Hadron Collider, including all partonic channels and W-boson decays in the process $pp \to e^+ \nu_e \mu^+ \nu_\mu jj + X$. The calculation is implemented in the Monte Carlo integrator Bonsay and comprises the full tower of NLO contributions of the orders $\alpha_s^3\alpha^4$, $\alpha_s^2\alpha^5$, $\alpha_s\alpha^6$, and $\alpha^7$. [...]
arXiv:2405.18286; FR-PHENO-2024-004.-
2024-09-17 - 10 p.
- Published in : PoS: LL2024 (2024) , pp. 059
Fulltext: 2405.18286 - PDF; document - PDF;
In : 17th Loops and Legs in Quantum Field Theory (LL 2024), Wittenberg, Germany, 14 - 19 Apr 2024, pp.059
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Focus topics for the ECFA study on Higgs / Top / EW factories
/ de Blas, Jorge (Granada U.) ; Koppenburg, Patrick (Nikhef, Amsterdam) ; List, Jenny (DESY) ; Maltoni, Fabio (Louvain U.) ; Maestre, Juan Alcaraz (Madrid, CIEMAT) ; Alimena, Juliette (DESY) ; Alison, John (Carnegie Mellon U.) ; Azzi, Patrizia (INFN, Padua) ; Azzurri, Paolo (INFN, Pisa) ; Bagnaschi, Emanuele (CERN ; INFN, Italy) et al.
In order to stimulate new engagement and trigger some concrete studies in areas where further work would be beneficial towards fully understanding the physics potential of an $e^+e^-$ Higgs / Top / Electroweak factory, we propose to define a set of focus topics. [...]
arXiv:2401.07564.
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Fulltext
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Vector Boson Scattering Processes: Status and Prospects
/ Buarque Franzosi, Diogo (Chalmers U. Tech. ; Goteborg, ITP) ; Gallinaro, Michele (LIP, Lisbon) ; Ruiz, Richard (Cracow, INP) ; Aarrestad, Thea K. (CERN) ; Cetorelli, Flavia (Milan U. ; INFN, Milan Bicocca) ; Chiesa, Mauro (Pavia U.) ; Costantini, Antonio (Louvain U., CP3) ; Denner, Ansgar (Wurzburg U.) ; Dittmaier, Stefan (Freiburg U.) ; Franken, Robert (Wurzburg U.) et al.
Insight into the electroweak (EW) and Higgs sectors can be achieved through measurements of vector boson scattering (VBS) processes. The scattering of EW bosons are rare processes that are precisely predicted in the Standard Model (SM) and are closely related to the Higgs mechanism. [...]
arXiv:2106.01393; CP3-21-14; DESY-21-064; IFJPAN-IV-2021-8; PITT-PACC-2106, VBSCAN-PUB-04-21; PITT-PACC-2106,
VBSCAN-PUB-04-21.-
2022-06 - 61 p.
- Published in : Rev. Phys. 8 (2022) 100071
Fulltext: PDF;
In : 2021 Snowmass Summer Study, Seattle, WA, United States, 11 - 20 July 2021
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Precise predictions for same-sign W-boson scattering at the LHC
/ Ballestrero, Alessandro (INFN, Turin) ; Biedermann, Benedikt (Wurzburg U.) ; Brass, Simon (Siegen U.) ; Denner, Ansgar (Wurzburg U.) ; Dittmaier, Stefan (Freiburg U.) ; Frederix, Rikkert (Munich, Tech. U.) ; Govoni, Pietro (INFN, Milan Bicocca ; Milan U.) ; Grossi, Michele (Pavia U. ; INFN, Pavia) ; Jäger, Barbara (Tubingen U.) ; Karlberg, Alexander (Zurich U.) et al.
Vector-boson scattering processes are of great importance for the current run-II and future runs of the Large Hadron Collider. The presence of triple and quartic gauge couplings in the process gives access to the gauge sector of the Standard Model (SM) and possible new-physics contributions there. [...]
arXiv:1803.07943; DESY-18-025; FR-PHENO-2018-003; KA-TP-05-2018; MCNET-18-06; NIKHEF-2018-012; UWTHPH-2018-12; VBSCAN-PUB-01-18; ZU-TH-08-18; DESY 18-025; FR-PHENO-2018-003; KA-TP-05-2018; MCnet-18-06,
Nikhef/2018-012; UWTHPH-2018-12; VBSCan-PUB-01-18; ZU-TH-08/18.-
2018-08-22 - 25 p.
- Published in : Eur. Phys. J. C 78 (2018) 671
Article from SCOAP3: PDF; Fulltext: arXiv:1803.07943 - PDF; 1803.07943 - PDF;
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Electroweak Corrections at High Energies
/ Mishra, Kalanand (Fermilab) ; Becher, Thomas (Bern U.) ; Barze, Luca (CERN) ; Chiesa, Mauro (Pavia U. ; INFN, Pavia) ; Dittmaier, Stefan (Freiburg U.) ; Garcia i Tormo, Xavier (Bern U.) ; Huss, Alexander (Freiburg U.) ; Kasprzik, Tobias (KIT, Karlsruhe, TTP) ; Li, Ye (SLAC) ; Montagna, Guido (Pavia U. ; INFN, Pavia) et al.
We present a survey of the most abundant processes at the LHC for sensitivity to electroweak corrections at \sqrt{s} = 8, 14, 33, and 100 TeV proton-proton collision energies. [...]
arXiv:1308.1430 ; FERMILAB-CONF-13-514-CMS.
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2013. - 13 p.
FERMILABCONF - Full text - Fulltext
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Production of $t \bar{t} b \bar{b}$ at the LHC at NLO QCD
/ Bredenstein, Axel (KEK, Tsukuba) ; Denner, Ansgar (PSI, Villigen) ; Dittmaier, Stefan (Freiburg U.) ; Pozzorini, Stefano (CERN)
We summarise predictions for top anti-top bottom anti-bottom (tTbB) production at the LHC in next-to-leading order QCD. The precise description of this background process is a prerequisite to observe associated top anti-top Higgs production in the H -> bottom anti-bottom decay channel. [...]
arXiv:1006.2653.-
2010 - 7 p.
Fulltext: PDF; External link: Preprint
In : 10th DESY workshop on elementary particle theory: loops and legs in quantum field theory, Wörlitz, Germany, 25 - 30 Apr 2010, pp.80-85
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NLO QCD corrections to top anti-top bottom anti-bottom production at the LHC
/ Bredenstein, Axel (KEK, Tsukuba) ; Denner, Ansgar (PSI, Villigen) ; Dittmaier, Stefan (Freiburg U.) ; Pozzorini, Stefano (CERN)
The next-to-leading order (NLO) QCD corrections to top anti-top bottom anti-bottom (tTbB) production at the LHC reveal that the scale choice adopted in previous lowest-order simulations underestimates the tTbB cross section by a factor two. We discuss a new dynamical scale that stabilizes the perturbative predictions and describe the impact of the corrections on the shape of distributions. [...]
arXiv:1001.4727; FR-PHENO-2010-11; PSI-PR-10-07; CERN-PH-TH-2009-018; FR-PHENO-2010-11; PSI-PR-10-07; CERN-PH-TH-2010-018.-
2010 - 7 p.
- Published in : PoS: RADCOR2009 (2010) , pp. 004
Fulltext: PDF; External link: Preprint
In : 9th International Symposium On Radiative Corrections : applications Of Quantum Field Theory To Phenomenology, Ascona, Switzerland, 25 Oct - 30 Oct 2009, pp.004
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