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Title: Current and future constraints on Higgs couplings in the nonlinear Effective Theory

Journal Article · · Journal of High Energy Physics (Online)
ORCiD logo [1];  [2]; ORCiD logo [3]
  1. Univ. di Padova, Padova (Italy); INFN, Padova (Italy)
  2. Univ. de Valencia-CSIC, Valencia (Spain)
  3. Univ. de Valencia-CSIC, Valencia (Spain); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

Here, we perform a Bayesian statistical analysis of the constraints on the nonlinear Effective Theory given by the Higgs electroweak chiral Lagrangian. We obtain bounds on the effective coefficients entering in Higgs observables at the leading order, using all available Higgs-boson signal strengths from the LHC runs 1 and 2. Using a prior dependence study of the solutions, we discuss the results within the context of natural-sized Wilson coefficients. We further study the expected sensitivities to the different Wilson coefficients at various possible future colliders. Finally, we interpret our results in terms of some minimal composite Higgs models.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Grant/Contract Number:
AC02-07CH11359
OSTI ID:
1437388
Report Number(s):
arXiv:1803.00939; IFIC-17-48; FTUV--18-0305; FERMILAB-PUB--18-058-T; IFIC/17--48; FTUV/18--0305; FERMILAB-PUB--18-058-T; 1658469
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 7 Vol. 2018; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English

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Minimal Composite Higgs Models at the LHC text January 2014
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Extending the Universal One-Loop Effective Action: Heavy-Light Coefficients text January 2017
MatchingTools: a Python library for symbolic effective field theory calculations text January 2017
Update of Global Two-Higgs-Doublet Model Fits text January 2017
A global view on the Higgs self-coupling at lepton colliders text January 2017
The Higgs legacy of the LHC Run I text January 2015
NLO QCD corrections to Higgs pair production including dimension-6 operators text January 2015
The gauge-Higgs legacy of the LHC Run I text January 2016
Higgs physics at the CLIC electron–positron linear collider text January 2017

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Colorful imprints of heavy states in the electroweak effective theory journal May 2019
Jet substructure measurements of interference in non-interfering SMEFT effects journal August 2019
Higgs boson pair production in non-linear Effective Field Theory with full mt-dependence at NLO QCD journal September 2018
The electro-weak couplings of the top and bottom quarks — Global fit and future prospects journal December 2019
Prospects for the determination of the top-quark Yukawa coupling at future ${e}^{+}{e}^{-}$ colliders journal August 2019
Broad composite resonances and their signals at the LHC journal October 2019
Effective field theory in the top sector: Do multijets help? journal February 2019
Prospects for precision measurement of diboson processes in the semileptonic decay channel in future LHC runs journal March 2019
Studies of dimension-six EFT effects in vector boson scattering journal May 2019
FCC Physics Opportunities: Future Circular Collider Conceptual Design Report Volume 1 journal June 2019
HEPfit: a code for the combination of indirect and direct constraints on high energy physics models journal May 2020
FCC Physics Opportunities text January 2019
The Gauge-Higgs legacy of the LHC run II journal January 2019
HEPfit: a Code for the Combination of Indirect and Direct Constraints on High Energy Physics Models text January 2020
Prospects for the determination of the top-quark Yukawa coupling at future $e^+e^-$ colliders text January 2018
Higgs boson pair production in non-linear Effective Field Theory with full $m_t$-dependence at NLO QCD text January 2018
Effective Field Theory in the top sector: do multijets help? text January 2018
Broad composite resonances and their signals at the LHC text January 2019