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相关论文: Updated Global SMEFT Fit to Higgs, Diboson and Ele…

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The search for effective field theory deformations of the Standard Model (SM) is a major goal of particle physics that can benefit from a global approach in the framework of the Standard Model Effective Field Theory (SMEFT). For the first…

高能物理 - 唯象学 · 物理学 2021-05-19 John Ellis , Maeve Madigan , Ken Mimasu , Veronica Sanz , Tevong You

We present a global interpretation of Higgs, diboson, and top quark production and decay measurements from the LHC in the framework of the Standard Model Effective Field Theory (SMEFT) at dimension six. We constrain simultaneously 36…

The Standard Model Effective Field Theory (SMEFT) provides a powerful theoretical framework for searching for subtle deviations from the Standard Model. In this talk, we present the results from a global fit of the dimension-6 operators of…

高能物理 - 唯象学 · 物理学 2022-12-02 Maeve Madigan

We present an update of the global fit of the Standard Model electroweak sector to latest experimental results. We include new kinematic top quark and $W$ boson mass measurements from the LHC, a $\sin^2\theta^{\ell}_{\mathrm{eff}}$ result…

高能物理 - 唯象学 · 物理学 2019-12-16 Johannes Haller , Andreas Hoecker , Roman Kogler , Klaus Mönig , Thomas Peiffer , Jörg Stelzer

We update the global fit to electroweak precision observables, including the effect of the latest measurements at hadron colliders of the $W$ and top-quark masses and the effective leptonic weak mixing angle. We comment on the impact of…

高能物理 - 唯象学 · 物理学 2017-10-17 Jorge de Blas , Marco Ciuchini , Enrico Franco , Satoshi Mishima , Maurizio Pierini , Laura Reina , Luca Silvestrini

A concise review of precision measurements in the Higgs sector of the Standard Model (SM) of particle physics is given using ATLAS and CMS data. The results are based on LHC Run-2 data, taken between 2015 and 2018. Impressive progress has…

高能物理 - 实验 · 物理学 2020-01-22 Andre Sopczak

We perform a parameter fit in the Standard Model Effective Field Theory (SMEFT) with an emphasis on using regularized linear regression to tackle the issue of the large number of parameters in the SMEFT. In regularized linear regression a…

高能物理 - 唯象学 · 物理学 2018-01-17 Christopher W. Murphy

The study of Higgs boson production at large transverse momentum is one of the new frontiers for the LHC Higgs physics programme. This paper considers boosted Higgs production in the Standard Model Effective Field Theory (SMEFT). We focus…

高能物理 - 唯象学 · 物理学 2021-12-08 Marco Battaglia , Massimiliano Grazzini , Michael Spira , Marius Wiesemann

We present a global analysis of the Higgs and electroweak sector based on LHC Run II and electroweak precision observables. We show which measurements provide the leading constraints on Higgs-related operators, and how the achieved LHC…

高能物理 - 唯象学 · 物理学 2019-06-05 Anke Biekötter , Tyler Corbett , Tilman Plehn

We perform a comprehensive study of the Higgs couplings, gauge-boson couplings to fermions and triple gauge boson vertices. We work in the framework of effective theories including the effects of the dimension-six operators contributing to…

We present results from SMEFiT3.0, a global SMEFT fit of Higgs, top quark, and diboson production data from the LHC. Our updated analysis includes recent inclusive and differential measurements from the LHC Run II, together with the exact…

高能物理 - 唯象学 · 物理学 2026-02-04 Eugenia Celada

For a long time, global fits of the electroweak sector of the Standard Model (SM) have been used to exploit measurements of electroweak precision observables at lepton colliders (LEP, SLC), together with measurements at hadron colliders…

高能物理 - 唯象学 · 物理学 2015-06-22 M. Baak , J. Cuth , J. Haller , A. Hoecker , R. Kogler , K. Moenig , M. Schott , J. Stelzer

Precise predictions for Higgs decays are a crucial ingredient of the search for beyond the Standard Model (BSM) physics and the Standard Model Effective Field Theory (SMEFT) is a valuable tool for quantifying deviations from the Standard…

高能物理 - 唯象学 · 物理学 2026-01-14 Luigi Bellafronte , Sally Dawson , Clara Del Pio , Matthew Forslund , Pier Paolo Giardino

We present a comprehensive study of the electroweak interactions using the available Higgs and electroweak diboson production results from LHC Runs 1 and 2 as well as the electroweak precision data, in terms of the dimension-six operators.…

高能物理 - 唯象学 · 物理学 2021-12-28 Eduardo da Silva Almeida , Alexandre Alves , Oscar J. P. Éboli , M. C. Gonzalez-Garcia

We study the production of three electroweak gauge bosons at the LHC, in the effective field theory of the standard model, at dimension six and next-to-leading order in QCD. We present results for inclusive cross-sections and differential…

高能物理 - 唯象学 · 物理学 2024-07-16 Eugenia Celada , Gauthier Durieux , Ken Mimasu , Eleni Vryonidou

We analyze the impact of the recently released CDF-II measurement of $W$ mass on the SMEFT analyses of the electroweak precision data as well as Higgs and electroweak diboson productions. We work in the Hagiwara, Ishihara, Szalapski, and…

高能物理 - 唯象学 · 物理学 2022-04-22 Eduardo da Silva Almeida , Alexandre Alves , Oscar J. P. Eboli , M. C. Gonzalez-Garcia

The most recent LHC data have provided a considerable improvement in the precision with which various Higgs production and decay channels have been measured. Using all available public results from ATLAS, CMS and the Tevatron, we derive for…

高能物理 - 唯象学 · 物理学 2013-10-30 G. Belanger , B. Dumont , U. Ellwanger , J. F. Gunion , S. Kraml

Projecting measurements of the interactions of the known Standard Model (SM) states into an effective field theory (EFT) framework is an important goal of the LHC physics program. The interpretation of measurements of the properties of the…

高能物理 - 唯象学 · 物理学 2019-02-19 Ilaria Brivio , Michael Trott

In view of the discovery of a new boson by the ATLAS and CMS Collaborations at the LHC, we present an update of the global Standard Model (SM) fit to electroweak precision data. Assuming the new particle to be the SM Higgs boson, all…

高能物理 - 唯象学 · 物理学 2013-06-05 M. Baak , M. Goebel , J. Haller , A. Hoecker , D. Kennedy , R. Kogler , K. Moenig , M. Schott , J. Stelzer

Based on the framework of Standard Model Effective Field Theory, we performed a few global fits, each containing a subset of dimension-6 operators, for the measurements that are expected at future colliders. The fit for the Higgs and…

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