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Constraining the top-Higgs sector of the standard model effective field theory

Journal Article · · Physical Review D
 [1];  [2];  [3];  [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); New Mexico Consortium, Los Alamos, NM (United States)
  3. Nikhef, Amsterdam (Netherlands). Theory Group

Working in the framework of the Standard Model effective field theory, we study chirality-flipping couplings of the top quark to Higgs and gauge bosons. In this paper, we discuss in detail the renormalization-group evolution to lower energies and investigate direct and indirect contributions to high- and low-energy $CP$-conserving and $CP$-violating observables. Our analysis includes constraints from collider observables, precision electroweak tests, flavor physics, and electric dipole moments. We find that indirect probes are competitive or dominant for both $CP$-even and $CP$-odd observables, even after accounting for uncertainties associated with hadronic and nuclear matrix elements, illustrating the importance of including operator mixing in constraining the Standard Model effective field theory. We also study scenarios where multiple anomalous top couplings are generated at the high scale, showing that while the bounds on individual couplings relax, strong correlations among couplings survive. In conclusion, we find that enforcing minimal flavor violation does not significantly affect the bounds on the top couplings.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Nikhef, Amsterdam (Netherlands)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26); LANL Laboratory Directed Research and Development (LDRD) Program; Netherlands Organisation for Scientific Research (NWO)
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1458946
Alternate ID(s):
OSTI ID: 1299444
Report Number(s):
LA-UR--16-23433
Journal Information:
Physical Review D, Journal Name: Physical Review D Journal Issue: 3 Vol. 94; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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New Determination of the Fine Structure Constant and Test of the Quantum Electrodynamics
  • Cladé, Pierre; Bouchendira, Rym; Guellati, Saïda
  • Proceedings of the International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim 2011 https://doi.org/10.1364/iqec.2011.i91
conference January 2011
Fully self-consistent calculations of nuclear Schiff moments text January 2010
Corrigendum to “Top quark spin correlations and polarization at the LHC : Standard model predictions and effects of anomalous top chromo moments” [Phys. Lett. B 725 (2013) 115–122] text January 2015
A set of top quark spin correlation and polarization observables for the LHC: Standard Model predictions and new physics contributions text January 2015
Unraveling models of CP violation through electric dipole moments of light nuclei text January 2014
Constraining the dipole moments of the top quark text January 2012
Review of Particle Physics text January 2012
Parton distributions for the LHC text January 2007
Higgs radiation off top quarks at the Tevatron and the LHC text January 2001
Probing CP violation with the deuteron electric dipole moment text January 2004
Review of Particle Physics text January 2018
Measurement of the single-top-quark t-channel cross section in pp collisions at root s=7 TeV text January 2012
T-odd correlations from CP violating anomalous top-quark couplings revisited text January 2008
The Baryogenesis Window in the MSSM text January 2008
Parton distributions for the LHC text January 2009
Observation of Single Top-Quark Production text January 2009
CP violating anomalous top-quark couplings at the LHC text January 2009
Observation of Single Top Quark Production and Measurement of |Vtb| with CDF text January 2010
Effective-Field-Theory Approach to Top-Quark Production and Decay text January 2010
Scalar and pseudoscalar Higgs production in association with a top-antitop pair text January 2011
Probing anomalous tbW couplings in single-top production using top polarization at the Large Hadron Collider text January 2011
Electric Dipole Moments of Light Nuclei From Chiral Effective Field Theory text January 2011
QCD Corrections to Neutron Electric Dipole Moment from Dimension-six Four-Quark Operators text January 2012
Parton distributions with LHC data text January 2012
Constraints on anomalous color dipole operators from Higgs boson production at the LHC text January 2013
Probing top quark electromagnetic dipole moments in single-top-plus-photon production text January 2013
Measurement of the t-channel single-top-quark production cross section and of the |Vtb| CKM matrix element in pp collisions at sqrt(s) = 8 TeV text January 2014
Anomalous Top-Higgs Couplings and Top Polarisation in Single Top and Higgs Associated Production at the LHC text January 2014
Constraining CP-violating Higgs Sectors at the LHC using gluon fusion text January 2014
P- and T-Violating Lagrangians in Chiral Effective Field Theory and Nuclear Electric Dipole Moments text January 2014
New method for a continuous determination of the spin tune in storage rings and implications for precision experiments text January 2015
Neutron Electric Dipole Moment and Tensor Charges from Lattice QCD text January 2015
Minimal Flavour Violation: an effective field theory approach text January 2002
Electric dipole moments as probes of new physics text January 2005
QCD corrections to the electric dipole moment of the neutron in the MSSM text January 2005
Tracing CP violation in the production of top quark pairs by multiple TeV proton-proton collisions text January 1993
Observation of s-channel production of single top quarks at the Tevatron text January 2014
Combination of measurements of the top-quark pair production cross section from the Tevatron Collider text January 2014
Review of Particle Physics text January 2008
Probing top quark electromagnetic dipole moments in single-top-plus-photon production text January 2013
Measurement of the t(t)over-bar production cross section in the dilepton channel in pp collisions at root s=8 TeV text January 2014
Comprehensive measurements of t-channel single top-quark production cross sections at sqrts = 7 TeV with the ATLAS detector text January 2014
Matching of gauge invariant dimension-six operators for b → s and b → c transitions text January 2016

Cited By (19)

Electroweak baryogenesis and the standard model effective field theory journal January 2018
Global and optimal probes for the top-quark effective field theory at future lepton colliders journal October 2018
Top quark decay at next-to-leading order in the standard model effective field theory journal September 2019
Constraining anomalous Higgs boson couplings to the heavy-flavor fermions using matrix element techniques journal September 2016
Constraints on top quark nonstandard interactions from Higgs boson and t t ¯ production cross sections journal October 2017
Exploring dynamical C P violation induced baryogenesis by gravitational waves and colliders journal July 2018
Probing anomalous W t b couplings at the LHC in single t -channel top quark production journal September 2018
Electric dipole moment of Hg 199 atom from P , C P -odd electron-nucleon interaction journal April 2019
Baryon Asymmetry from a Composite Higgs Boson journal September 2018
C P Violation in Higgs-Gauge Interactions: From Tabletop Experiments to the LHC journal July 2019
Electric dipole moments of atoms, molecules, nuclei, and particles journal January 2019
Probing exotic phenomena at the interface of nuclear and particle physics with the electric dipole moments of diamagnetic atoms: A unique window to hadronic and semi-leptonic CP violation journal March 2017
CP-violating top quark couplings at future linear $$e^+e^-$$ e + e - colliders journal February 2018
Effective operators in t-channel single top production and decay journal November 2018
A global likelihood for precision constraints and flavour anomalies journal June 2019
CP-violating top quark couplings at future linear $e^+e^-$ colliders text January 2018
Baryon Asymmetry from a Composite Higgs Boson text January 2018
CP-violating top quark couplings at future linear $e^+e^-$ colliders text January 2017
Global and optimal probes for the top-quark effective field theory at future lepton colliders text January 2018

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