English
Related papers

Related papers: Standard Model Effective Field Theory: Integrating…

200 papers

We compute the one-loop renormalisation group running of the bosonic Standard Model effective operators to order $v^4/\Lambda^4$, with $v\sim 246$ GeV being the electroweak scale and $\Lambda$ the unknown new physics threshold. We…

High Energy Physics - Phenomenology · Physics 2022-12-05 Mikael Chala , Guilherme Guedes , Maria Ramos , Jose Santiago

We consider extended scalar sectors of the Standard Model as ultraviolet-complete motivations for studying the effective Higgs self-interaction operators of the Standard Model effective field theory. We investigate all motivated heavy…

High Energy Physics - Phenomenology · Physics 2019-07-05 Tyler Corbett , Aniket Joglekar , Hao-Lin Li , Jiang-Hao Yu

We review the effective field theory approach to physics beyond the Standard Model using dimension-six operators. Topics include the choice of operator basis, electroweak boson pair production, precision electroweak physics (including…

High Energy Physics - Phenomenology · Physics 2015-06-18 Scott Willenbrock , Cen Zhang

We calculate the renormalisation group running of the bosonic Standard Model (SM) effective operators at one loop and to order $v^4/\Lambda^4$, with $v\sim 246$ GeV being the electroweak scale and $\Lambda$ the unknown new physics…

High Energy Physics - Phenomenology · Physics 2023-09-29 Supratim Das Bakshi , Mikael Chala , Álvaro Díaz-Carmona , Guilherme Guedes

In these proceedings we briefly review the basic concepts underlying indirect bounds on the Wilson coefficients of some Standard Model dimension-6 operators, relevant to electroweak and Higgs observables, obtained via renormalization group…

High Energy Physics - Phenomenology · Physics 2014-05-16 David Marzocca

The effective field theory description for modifications of Standard Model-like Higgs boson interactions arising from tree-level mixing with heavy Higgs sector vacuum states without conserved quantum numbers is presented. An expansion in…

High Energy Physics - Phenomenology · Physics 2015-12-02 Daniel Egana-Ugrinovic , Scott Thomas

We derive bounds from oblique parameters on the dimension-6 operators of an effective field theory of electroweak gauge bosons and the Higgs doublet. The loop- induced contributions to the S, T, and U oblique parameters are sensitive to…

High Energy Physics - Phenomenology · Physics 2014-02-05 Chien-Yi Chen , S. Dawson , Cen Zhang

Wilson coefficients in dimension-six effective field theory are constrained in a combined fit to several ATLAS measurements. These inputs probe Higgs-boson processes across multiple production and decay modes, di-Higgs signatures in the…

High Energy Physics - Experiment · Physics 2026-04-24 ATLAS Collaboration

We apply the covariant derivative expansion of the Coleman-Weinberg potential to the sfermion sector in the minimal supersymmetric standard model, matching it to the relevant dimension-6 operators in the standard model effective field…

High Energy Physics - Phenomenology · Physics 2018-04-25 Ran Huo

In this paper, we work with 16 different single scalar particle extensions of the Standard Model. We present the sets of dimension-6 effective operators and the associated Wilson coefficients as functions of model parameters after…

High Energy Physics - Phenomenology · Physics 2023-01-16 Anisha , Supratim Das Bakshi , Shankha Banerjee , Anke Biekötter , Joydeep Chakrabortty , Sunando Kumar Patra , Michael Spannowsky

The scalar singlet model extends the Standard Model with the addition of a new gauge singlet scalar. We re-examine the limits on the new scalar from oblique parameter fits and from a global fit to precision electroweak observables and…

High Energy Physics - Phenomenology · Physics 2021-04-28 Sally Dawson , Pier Paolo Giardino , Samuel Homiller

We construct the general two-Higgs doublet model effective field theory where the effects of additional new physics are parameterized by operators up to mass dimension-six. We further transform this effective theory to the Higgs basis and…

High Energy Physics - Phenomenology · Physics 2024-08-27 Radovan Dermisek , Keith Hermanek

We describe the most general local, Lorentz-invariant, effective field theory of scalars, fermions and gauge bosons up to mass dimension 6. We first obtain both a Green and a physical basis for such an effective theory, together with the…

High Energy Physics - Phenomenology · Physics 2025-01-24 Renato M. Fonseca , Pablo Olgoso , José Santiago

We derive an effective dimensionally reduced theory for the Standard Model augmented by a real singlet scalar. We treat the singlet as a superheavy field and integrate it out, leaving an effective theory involving only the Higgs and…

High Energy Physics - Phenomenology · Physics 2017-03-06 Tomáš Brauner , Tuomas V. I. Tenkanen , Anders Tranberg , Aleksi Vuorinen , David J. Weir

We summarize results for local and global properties of the effective potential for the Higgs boson obtained from the functional renormalization group, which allows to describe the effective potential as a function of both scalar field…

High Energy Physics - Phenomenology · Physics 2018-02-07 Holger Gies , René Sondenheimer

Using effective field theory methods, we integrate out the standard model Higgs boson to one loop and represent its non-decoupling effects by a set of gauge invariant effective operators of the electroweak chiral Lagrangian. We briefly…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. J. Herrero , E. Ruiz Morales

We study the impact of dimension-six operators of the standard model effective field theory relevant for vector-boson fusion and associated Higgs boson production at the LHC. We present predictions at the next-to-leading order accuracy in…

High Energy Physics - Phenomenology · Physics 2017-05-05 Celine Degrande , Benjamin Fuks , Kentarou Mawatari , Ken Mimasu , Veronica Sanz

We present an effective-field-theory calculation of the effect of a dimension-six operator involving the top quark on precision electroweak data via a top-quark loop. We demonstrate the renormalizability, in the modern sense, of the…

High Energy Physics - Phenomenology · Physics 2015-05-27 Nicolas Greiner , Scott Willenbrock , Cen Zhang

We investigate the renormalization of the radiative decays of the Higgs to two gauge bosons in the Standard Model Effective Field Theory at mass dimension eight. Given that these are loop-level processes, their one-loop renormalization can…

High Energy Physics - Phenomenology · Physics 2024-06-03 Christophe Grojean , Guilherme Guedes , Jasper Roosmale Nepveu , Gabriel M. Salla

We classify all possible new scalar particles that can have renormalizable linear couplings to Standard Model fields and therefore be singly produced at colliders. We show that this classification exhausts the list of heavy scalar particles…

High Energy Physics - Phenomenology · Physics 2015-06-11 Jorge de Blas , Mikael Chala , Manuel Perez-Victoria , Jose Santiago
‹ Prev 1 2 3 10 Next ›