Pinning down top dipole moments with ultra-boosted tops

Abstract

We investigate existing and future hadron-collider constraints on the top dipole chromomagnetic and chromoelectric moments, two quantities that are expected to be modified in the presence of new physics. We focus first on recent measurements of the inclusive top pair production cross section at the Tevatron and at the Large Hadron Collider. We then analyse the role of top-antitop events produced at very large invariant masses, in the context of the forthcoming 13-14 TeV runs of the LHC, and at a future 100 TeV proton-proton collider. In this latter case, the selection of semileptonic decays to hard muons allows to tag top quarks boosted to the multi-TeV regime, strongly reducing the QCD backgrounds and leading to a significant improvement in the sensitivity to anomalous top couplings.

arXiv commentLaTeX 8 pages, 7 figures. Enlarged version to appear in PRD

References in corpus (43)

• Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
• Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
• The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
• The anti-k_t jet clustering algorithm
• A Brief Introduction to PYTHIA 8.1
• FastJet user manual
• FeynRules 2.0 - A complete toolbox for tree-level phenomenology
• Herwig++ Physics and Manual
• HERWIG 6.5: an event generator for Hadron Emission Reactions With Interfering Gluons (including supersymmetric processes)
• Parton distributions with LHC data
• ALPGEN, a generator for hard multiparton processes in hadronic collisions
• UFO - The Universal FeynRules Output
• The total top quark pair production cross-section at hadron colliders through O(alpha_S^4)
• MadAnalysis 5, a user-friendly framework for collider phenomenology
• Top-tagging: A Method for Identifying Boosted Hadronic Tops
• First Look at the Physics Case of TLEP
• Maximizing Boosted Top Identification by Minimizing N-subjettiness
• A minimal set of top anomalous couplings
• Fat Jets for a Light Higgs
• Strategies to Identify Boosted Tops
• Efficient Identification of Boosted Semileptonic Top Quarks at the LHC
• Finding top quarks with shower deconstruction
• Top Jets at the LHC
• Constraining the dipole moments of the top quark
• Combination of measurements of the top-quark pair production cross section from the Tevatron Collider
• Top quark spin correlations and polarization at the LHC: standard model predictions and effects of anomalous top chromo moments
• Top Production in Hadron-Hadron Collisions and Anomalous Top-Gluon Couplings
• Probing the Chromoelectric and Chromomagnetic dipole moments of the Top quark at Hadronic Colliders
• How to Improve Top Tagging
• Search for anomalous top-gluon couplings at LHC revisited
• Chromomagnetic Dipole Moment of the Top Quark Revisited
• Tagging highly boosted top quarks
• Latest constraint on non-standard top-gluon couplings at hadron colliders and its future prospect
• Building a Better Boosted Top Tagger
• The anomalous chromomagnetic dipole moment of the top quark in the standard model and beyond
• Constraining the Intrinsic Structure of Top-Quarks
• Discriminating Top-Antitop Resonances using Azimuthal Decay Correlations
• Exploring anomalous top interactions via the final lepton in ttbar productions/decays at hadron colliders
• Addendum to: Search for anomalous top-gluon couplings at LHC revisited
• Measuring Boosted Tops in Semi-leptonic $t\bar{t}$ Events for the Standard Model and Beyond
• Non-standard top substructure
• Probing top-quark chromomagnetic dipole moment at next-to-leading order in QCD
• Sensitivity to new high-mass states decaying to ttbar at a 100 TeV collider

Cited by in corpus (39)

• The Standard Model as an Effective Field Theory
• Physics Opportunities of a 100 TeV Proton-Proton Collider
• O new physics, where art thou? A global search in the top sector
• Constraining the top-Higgs sector of the Standard Model Effective Field Theory
• Constraining top quark effective theory in the LHC Run II era
• Is there room for CP violation in the top-Higgs sector?
• A global fit of top quark effective theory to data
• Measurement of the top quark polarization and $\mathrm{t}\bar{\mathrm{t}}$ spin correlations using dilepton final states in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Probing top-Z dipole moments at the LHC and ILC
• Pinning down electroweak dipole operators of the top quark
• Off-shell Top Quarks with One Jet at the LHC: A comprehensive analysis at NLO QCD
• Global and optimal probes for the top-quark effective field theory at future lepton colliders
• New Probes for Axion-like Particles at Hadron Colliders
• Hunting the Flavon
• Top Down Electroweak Dipole Operators
• Mass Unspecific Supervised Tagging (MUST) for boosted jets
• Measuring the Top Yukawa Coupling at 100 TeV
• Measuring anomalous WW$\gamma$ and t$\bar{\text{t}}\gamma$ couplings using top+$\gamma$ production at the LHC
• Probing top quark neutral couplings in the Standard Model Effective Field Theory at NLO QCD
• Constraining top quark flavor violation and dipole moments through three and four top quark productions at the LHC
• Indirect Signs of the Peccei-Quinn Mechanism
• Revisiting the top quark chromomagnetic dipole moment in the SM
• Effective Field Theory in the top sector: do multijets help?
• Searches for new physics with boosted top quarks in the MadAnalysis 5 and Rivet frameworks
• Study of top quark dipole interactions in $t\bar{t}$ production associated with two heavy gauge bosons at the LHC
• Constraints on top quark non-standard interactions from Higgs and $t\bar{t}$ production cross sections
• Ultraboosted $Zt$ and $\gamma t$ production at the HL-LHC and FCC-hh
• Constraining New Physics with Single Top production at LHC
• New physics with boosted single top production at the LHC and future colliders
• Bounds on the absorptive parts of the chromomagnetic and chromoelectric dipole moments of the top quark from LHC data
• Probing the nonstandard top-gluon couplings through $t\bar{t}\gamma \gamma$ production at the LHC
• Jet substructures of boosted polarized hadronic tops
• Constraining the top quark effective field theory using the top quark pair production in association with a jet at future lepton colliders
• Top quark physics in the Large Hadron Collider era
• Top physics beyond the LHC
• Top Quark Physics at the High Luminosity LHC
• Probing top quark anomalous moments in $W$ boson associated single top quark production at the LHC using polarization and spin correlation
• An EFT study of the $pp\to \bar{t}tZ(ll)h(bb)$ process at the FCC-$\mathbf{hh}$
• Pulling the Higgs and Top needles from the jet stack with Feature Extended Supervised Tagging