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Related papers: Doubly-polarized $WZ$ hadronic production at NLO Q…

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The precision study of $W^-W^+H$ production with subsequent $W^{\pm} \rightarrow l^{\pm} \overset{ _{(-)}}{\nu_{l}}$ and $H \rightarrow b\bar{b}$ decays at the LHC can help us to study the Higgs gauge couplings and to search for new physics…

High Energy Physics - Phenomenology · Physics 2020-05-22 Huan-Yu Bi , Ren-You Zhang , Wen-Gan Ma , Yi Jiang , Xiao-Zhou Li , Peng-Fei Duan

We analyze the next-to-leading order QCD corrections to the production of doubly-charged Higgs particles at hadron colliders in extensions of the SM with Higgs isospin triplets. At both the Tevatron and the LHC, these corrections are found…

High Energy Physics - Phenomenology · Physics 2011-06-24 Margarete Mühlleitner , Michael Spira

In the framework of the littlest Higgs model with T parity, we study the $W_H/Z_H$ production in association with a T-odd (anti)quark of the first two generations at the CERN Large Hadron Collider up to the QCD next-to-leading order. The…

High Energy Physics - Phenomenology · Physics 2012-02-28 Zhang Ren-You , Yan Han , Ma Wen-Gan , Wang Shao-Ming , Guo Lei , Han Liang

We present a calculation of the next-to-leading-order electroweak corrections to W+\gamma\ production, including the leptonic decay of the W boson and taking into account all off-shell effects of the W boson, where the finite width of the W…

High Energy Physics - Phenomenology · Physics 2015-11-13 Ansgar Denner , Stefan Dittmaier , Markus Hecht , Christian Pasold

Production of the doubly heavy-flavored hadrons ($B_c$ meson, doubly heavy baryons $\Xi_{cc}$, $\Xi_{bc}$, $\Xi_{bb}$, their excited states and antiparticles of them as well) at $e^+e^-$ colliders is investigated under two different…

High Energy Physics - Phenomenology · Physics 2016-02-17 Xu-Chang Zheng , Chao-Hsi Chang , Zan Pan

The detailed study of vector-boson pair production processes at the LHC will lead to a better understanding of electroweak physics. As pointed out before, a consistent inclusion of higher-order electroweak effects in the analysis of…

High Energy Physics - Phenomenology · Physics 2014-01-17 Stefan Gieseke , Tobias Kasprzik , Johann H. Kühn

We present the first fully differential next-to-next-to-leading order (NNLO) QCD calculation for the production of a top-antitop quark pair in association with a Higgs boson ($t \bar t H$) at hadron colliders. The computation is exact,…

High Energy Physics - Phenomenology · Physics 2025-03-27 Simone Devoto , Massimiliano Grazzini , Stefan Kallweit , Javier Mazzitelli , Chiara Savoini

WZ production is an important process at the LHC because it probes the non-Abelian structureof electroweak interactions and it is a background process for many new physics searches. In the quest for new physics, polarization observables of…

High Energy Physics - Phenomenology · Physics 2018-11-30 Julien Baglio , Le Duc Ninh

The processes $p p \rightarrow V_1 V_2 + X \rightarrow \ell_1 \bar \ell_1 \ell_2 \bar \ell_2 + X$, where $V_i = W^{\pm}$ or $Z$ and $\ell_i$ denotes a lepton, are calculated to ${\cal O}(\alpha_s)$. Total and differential cross sections,…

High Energy Physics - Phenomenology · Physics 2011-05-05 J. Ohnemus

We show how the $W$ boson polarization in the process of associated $W^{\pm}H$ production at the Large Hadron Collider (LHC) can be used to constrain anomalous $WWH$ couplings. We first calculate the spin density matrix for the $W$ to…

High Energy Physics - Phenomenology · Physics 2019-02-20 Kumar Rao , Saurabh Rindani

Because the LHC is a proton-proton collider, sizable production of two positively charged W-bosons in association with two jets is possible. This process leads to a distinct signature of same sign high-pt leptons, missing energy and jets.…

High Energy Physics - Phenomenology · Physics 2011-05-27 Tom Melia , Kirill Melnikov , Raoul Rontsch , Giulia Zanderighi

This paper presents measurements of $W^{\pm}Z$ production cross sections in $pp$ collisions at a centre-of-mass energy of 13 TeV. The data were collected in 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider, and correspond…

High Energy Physics - Experiment · Physics 2019-09-02 ATLAS Collaboration

We describe predictions for top-quark pair differential distributions at hadron colliders, which combine state-of-the-art NNLO QCD calculations and NLO electroweak corrections together with double resummation at NNLL$'$ accuracy of…

Recent measurements of the $pp\to t\bar{t}W^\pm$ process in multi-lepton final states, as performed by the ATLAS collaboration in the context of the Higgs boson studies in the $t\bar{t}H$ channel, have shown discrepancies between…

High Energy Physics - Phenomenology · Physics 2020-08-14 Giuseppe Bevilacqua , Huan-Yu Bi , Heribertus Bayu Hartanto , Manfred Kraus , Malgorzata Worek

In these proceedings, we highlight some aspects of the recent computation of NNLO QCD corrections for W production in association with a charm jet at the LHC. The results are presented in the form of cross sections and differential…

High Energy Physics - Phenomenology · Physics 2021-10-12 Michal Czakon , Alexander Mitov , Mathieu Pellen , Rene Poncelet

We consider the production of a pair of $Z$ bosons at the LHC and study the inclusion of EW corrections in theoretical predictions at fixed order and based on multijet-merged parton-shower simulations. To this end we present exact NLO EW…

High Energy Physics - Phenomenology · Physics 2022-06-29 Enrico Bothmann , Davide Napoletano , Marek Schönherr , Steffen Schumann , Simon Luca Villani

In this proceedings we compare phenomenological predictions for differential distributions in top-quark pair production at the LHC. In particular we consider NNLO QCD fixed-order predictions and parton-level predictions based on NLO QCD…

Radiative corrections in pole approximation, which are based on the leading contribution in a systematic expansion of amplitudes about resonance poles, naturally decompose into factorizable corrections attributed to the production or decay…

High Energy Physics - Phenomenology · Physics 2024-05-07 Stefan Dittmaier , Alexander Huss , Jan Schwarz

An important mechanism for production of the Higgs boson at the prospective Large Hadron-electron Collider (LHeC) is via neutral current (NC) weak boson fusion (WBF) processes. Aside from its role in measurements of Higgs couplings within…

High Energy Physics - Phenomenology · Physics 2023-11-28 Hanying Xiong , Hongsheng Hou , Zhuoni Qian , Qingjun Xu , Bowen Wang

We present the first calculation of the full next-to-leading-order electroweak and QCD corrections for vector-boson scattering (VBS) into a pair of Z bosons at the LHC. We consider specifically the process ${\rm pp\to…

High Energy Physics - Phenomenology · Physics 2020-12-07 Ansgar Denner , Robert Franken , Mathieu Pellen , Timo Schmidt
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