First measurement of the forward-backward charge asymmetry in top quark pair production

Abstract

We present the first measurement of the integrated forward-backward charge asymmetry in top-antitop quark pair (ttbar) production in proton-antiproton collisions in the lepton plus jets final state. Using a b-jet tagging algorithm and kinematic reconstruction assuming ttbar+X production and decay, a sample of 0.9fb-1 of data, collected by the D0 experiment at the Fermilab Tevatron Collider, is used to measure the asymmetry for different jet multiplicities. The result is also used to set upper limits on ttbar+X production via a Z' resonance.

arXiv comment8 pages, 4 figures (5 .eps files), submitted to Phys. Rev. Lett

References in corpus (12)

• A Unified Approach to the Classical Statistical Analysis of Small Signals
• High-Energy-Physics Event Generation with PYTHIA 6.1
• ALPGEN, a generator for hard multiparton processes in hadronic collisions
• Matching NLO QCD computations and parton shower simulations
• The Upgraded D0 Detector
• Matching NLO QCD and parton showers in heavy flavour production
• Charge asymmetry of heavy quarks at hadron colliders
• NLO QCD corrections to t tbar + jet production at hadron colliders
• Top Quarks, Axigluons and Charge Asymmetries at Hadron Colliders
• Standard Model Top Quark Asymmetry at the Fermilab Tevatron
• Measurement of Internal Jet Structure in Dijet Production in Deep-Inelastic Scattering at HERA
• Search for Narrow t-tbar Resonances in ppbar Collisions at \root{s} = 1.8 TeV

Cited by in corpus (168)

• Forward-backward asymmetry in top quark-antiquark production
• Distributions and correlations for top quark pair production and decay at the Tevatron and LHC.
• Renormalization-Group Improved Predictions for Top-Quark Pair Production at Hadron Colliders
• Forward-Backward Asymmetry in Top Quark Production in ppbar Collisions at sqrt{s}=1.96 TeV
• Charge asymmetries of top quarks at hadron colliders revisited
• Effective-Field-Theory Approach to Top-Quark Production and Decay
• Top quark forward-backward asymmetry from new t-channel physics
• Axigluon as Possible Explanation for $p\bar{p}\to t\bar{t}$ Forward-Backward Asymmetry
• The electroweak contribution to the top quark forward-backward asymmetry at the Tevatron
• Resolving the Tevatron Top Quark Forward-Backward Asymmetry Puzzle: Fully Differential Next-to-Next-to-Leading-Order Calculation
• Hadronic top-quark pair-production with one jet and parton showering
• Threshold Resummation for the Top Quark Charge Asymmetry
• Non-resonant New Physics in Top Pair Production at Hadron Colliders
• NLO QCD corrections to top quark pair production in association with one hard jet at hadron colliders
• Top Quark Forward-Backward Asymmetry
• Explorations of the Top Quark Forward-Backward Asymmetry at the Tevatron
• Measurement of the charge asymmetry in top quark pair production in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector
• Effective four-fermion operators in top physics: a roadmap
• Light colored scalars from grand unification and the forward-backward asymmetry in top quark pair production
• Forward-Backward Asymmetry of Top Quark Pair Production
• Hadronic top-quark pair production in association with a hard jet at next-to-leading order QCD: Phenomenological studies for the Tevatron and the LHC
• Constraining heavy colored resonances from top-antitop quark events
• The forward-backward asymmetry of top quark production at the Tevatron in warped extra dimensional models
• Probing the Tevatron t tbar asymmetry at LHC
• Search for anomalous t t-bar production in the highly-boosted all-hadronic final state
• Search for new physics in events with same-sign dileptons and b-tagged jets in pp collisions at sqrt(s) = 7 TeV
• LHC Predictions from a Tevatron Anomaly in the Top Quark Forward-Backward Asymmetry
• Dark Matter from Minimal Flavor Violation
• Top quark asymmetry from a non-Abelian horizontal symmetry
• Top quark forward-backward asymmetry at the Tevatron: a comparative study in different new physics models
• Measurement of the forward-backward asymmetry in top quark-antiquark production in ppbar collisions using the lepton+jets channel
• Massive color-octet bosons and the charge asymmetries of top quarks at hadron colliders
• Forward-backward asymmetry of top quark in diquark models
• The top-pair forward-backward asymmetry beyond NLO
• Manifestations of Top Compositeness at Colliders
• RG-improved single-particle inclusive cross sections and forward-backward asymmetry in $t\bar{t}$ production at hadron colliders
• On Models of New Physics for the Tevatron Top A_FB
• Explaining the t-tbar asymmetry with a light axigluon
• Measurements of t t-bar spin correlations and top-quark polarization using dilepton final states in pp collisions at sqrt(s) = 7 TeV
• Light Z' Bosons at the Tevatron
• Axigluons cannot explain the observed top quark forward-backward asymmetry
• Explaining the t tbar forward-backward asymmetry without dijet or flavor anomalies
• A Polarized View of the Top Asymmetry
• Massive Color-Octet Bosons: Bounds on Effects in Top-Quark Pair Production
• Forward-backward asymmetry in top quark production from light colored scalars in SO(10) model
• Top polarization, forward-backward asymmetry and new physics
• Measurement of the top quark pair production charge asymmetry in proton-proton collisions at 7 TeV using the ATLAS detector
• The top quark rapidity distribution and forward-backward asymmetry
• Asymmetries in top quark pair production at hadron colliders
• On measurement of top polarization as a probe of $t\bar{t}$ production mechanisms at the LHC
• Top-Quark Forward-Backward Asymmetry in Randall-Sundrum Models Beyond the Leading Order
• Zero and one jet combined NLO analysis of the top quark forward-backward asymmetry
• Shaping the top asymmetry
• Top Quark Forward-Backward Asymmetry in the Large Invariant Mass Region
• Stealth gluons at hadron colliders
• Simple models for the top asymmetry: constraints and predictions
• QCD Coherence and the Top Quark Asymmetry
• Baryonic Z' Explanation for the CDF Wjj Excess
• Forward-backward asymmetry of top quark in unparticle physics
• Forward-backward asymmetries of the bottom and top quarks in warped extra-dimensional models: LHC predictions from the LEP and Tevatron anomalies
• Top quark forward-backward asymmetry, FCNC decays and like-sign pair production as a joint probe of new physics
• Single Vectorlike Quark Production at the LHC
• How to Improve Top Tagging
• Forward-backward asymmetry and differential cross section of top quark in flavor violating $Z^{\prime }$ model at $\mathcal{O}({\alpha }_s^2{\alpha }_X)$
• Top quark forward-backward asymmetry at Tevatron and its implications at the LHC
• A composite Higgs model analysis of forward-backward asymmetries in the production of tops at Tevatron and bottoms at LEP and SLC
• Measurement of Leptonic Asymmetries and Top Quark Polarization in ttbar Production
• Search for same-sign top-quark pair production at sqrt(s) = 7 TeV and limits on flavour changing neutral currents in the top sector
• New physics effects on top quark spin correlation and polarization at the LHC: a comparative study in different models
• Phenomenology of a light gluon resonance in top-physics at Tevatron and LHC
• Stringy origin of Tevatron Wjj anomaly
• Measurement of the charge asymmetry in top-quark pair production in the lepton-plus-jets final state in $pp$ collision data at $\sqrt{s}=8$ TeV with the ATLAS detector
• Searching for Top Flavor Violating Resonances
• Implications of the CDF t\bar{t} Forward-Backward Asymmetry for Boosted Top Physics
• The top quark forward-backward asymmetry at approximate N${}^3$LO
• Search for resonant t t-bar production in lepton+jets events in pp collisions at sqrt(s) = 7 TeV
• Scalar-mediated $t\bar{t}$ forward-backward asymmetry
• $A_{FB}^t$ Meets LHC
• Implications of the CDF t \bar t Forward-Backward Asymmetry for Hard Top Physics
• Puzzles in Hadronic Physics and Novel Quantum Chromodynamics Phenomenology
• A Theory for Maximal Flavor Violation
• Searching for $Z^{{}^{\prime }}$ Gauge Boson in an Anomaly-Free U(1)${}^{\prime }$ Gauge Family Model
• Production of Massive Color-Octet Vector Bosons at Next-to-Leading Order
• Relating direct CP violation in D decays and the forward-backward asymmetry in $t\bar{t}$ production
• A unified, flavor symmetric explanation for the t-tbar asymmetry and Wjj excess at CDF
• Top condensation as a motivated explanation of the top forward-backward asymmetry
• Probing Leptonic Interactions of a Family-Nonuniversal Z' Boson
• The Axigluon, a Four-Site Model and the Top Quark Forward-Backward Asymmetry at the Tevatron
• Measurements of the t t-bar charge asymmetry using the dilepton decay channel in pp collisions at sqrt(s) = 7 TeV
• LHC Charge Asymmetry as Constraint on Models for the Tevatron Top Anomaly
• One-side Forward-backward Asymmetry in Top Quark Pair Production at CERN Large Hadron Collider
• Exploring top quark FCNC within 2HDM type III in association with flavor physics
• Beautiful Mirrors at the LHC
• Top-Quark Physics: Status and Prospects
• Collider Phenomenology with Split-UED
• Status and Prospects of Top-Quark Physics
• The Top Forward Backward Asymmetry with general Z ' couplings
• Light Colored Scalar as Messenger of Up-Quark Flavor Dynamics in Grand Unified Theories
• Gluon excitations in t tbar production at hadron colliders
• Tevatron Top $A_{FB}$ Versus LHC Top Physics
• Top quark asymmetry and dijet resonances
• Discriminating Top-Antitop Resonances using Azimuthal Decay Correlations
• Measurement of the charge asymmetry in highly boosted top-quark pair production in $\sqrt{s}=$ 8 TeV $pp$ collision data collected by the ATLAS experiment
• Measurement of the forward-backward asymmetry in the distribution of leptons in $t\bar{t}$ events in the lepton+jets channel
• Measurement of the top quark forward-backward production asymmetry and the anomalous chromoelectric and chromomagnetic moments in pp collisions at $\sqrt{s}=$ 13 TeV
• Identifying the colour of TeV-scale resonances
• Azimuthal Correlations in Top Pair Decays and The Effects of New Heavy Scalars
• Search for charge-asymmetric production of W' bosons in top pair + jet events from pp collisions at sqrt(s) = 7 TeV
• Top physics at the LHC
• Review of Properties of the Top Quark from Measurements at the Tevatron
• Constraints on 3-3-1 models with electroweak Z pole observables and Z' search at LHC
• Model independent analysis of top quark forward-backward asymmetry at the Tevatron up to $\mathcal{O}(\as^2/Λ^2)$
• Some phenomenological aspects of a new $U(1{)}^{\prime }$ model
• Diagnosing the top-quark angular asymmetry using LHC intrinsic charge asymmetries
• Color & Weak triplet scalars, the dimuon asymmetry in $B_s$ decay, the top forward-backward asymmetry, and the CDF dijet excess
• Top Quark Pair Production and Asymmetry at the Tevatron and LHC in Left-Right Models
• Spin Determination via Third Generation Cascade Decays
• Leptophobic Z' Boson and Parity-Violating eD Scattering
• Perturbative unitarity constraints on general W' models and collider implications
• Looking for bSM physics using top-quark polarization and decay-lepton kinematic asymmetries
• Axigluon on like-sign charge asymmetry ${\mathcal{A}}_{s\ell }^b$, FCNCs and CP asymmetries in B decays
• Top Pair Forward-Backward Asymmetry from Loops of New Strongly Coupled Quarks
• Distinguishing Color-Octet and Color-Singlet Resonances at the Large Hadron Collider
• New color-octet axial vector boson revisited
• Predictions for the Top-Quark Forward-Backward Asymmetry at High Invariant Pair Mass Using the Principle of Maximum Conformality
• Improving the Top Quark Forward-Backward Asymmetry Measurement at the LHC
• Top Quark Physics at the Tevatron
• Next-to-leading order QCD effect of $W^{\prime }$ on top quark Forward-Backward Asymmetry
• Vectorlike $W^{\pm }$-boson coupling at TeV and third family fermion masses
• Comment on measuring the t-tbar forward-backward asymmetry at ATLAS and CMS
• Rare B decays and Tevatron top-pair asymmetry
• New physics contributions to the forward-backward asymmetry at the Tevatron
• Charge asymmetries of top quarks: a window to new physics at hadron colliders
• Yukawa sector for LFV in $h\to \mu \tau$ and CP violation in $h\to \tau \tau$
• Probing the Anomalous Couplings of the Top Quark with Gluon at the LHC and Tevatron
• Top Quark Forward-Backward Asymmetry and Anomalous Right-Handed Charge Currents
• Properties of the Top Quark
• Combined analysis of Z' -> t tbar and Z' -> t tbar j production for vector resonance searches at LHC
• Hierarchy spectrum of SM fermions: from top quark to electron neutrino
• Measuring the Bottom-Quark Forward-Central Asymmetry at the LHC
• Measurements of the charge asymmetry in top-quark pair production in the dilepton final state at $\sqrt{s}=8$ TeV with the ATLAS detector
• Properties of the Top Quark
• Probing the Colour Structure of the Top Quark Forward-Backward Asymmetry
• Radion Phenomenology with 3 and 4 Generations
• Top-Antitop-Quark Production and Decay Properties at the Tevatron
• On the Quantum Chromodynamics of a Massive Vector Field in the Adjoint Representation
• Implications of the Measurement of Ultra-Massive Boosted Jets at CDF
• One-loop effects on top pair production in the littlest Higgs model with T-parity at the LHC
• Evidence for a Mass Dependent Forward-Backward Asymmetry in Top Quark Pair Production
• Tau lepton charge asymmetry and new physics at the LHC
• NLO QCD corrections to tW' and tZ' production in forward-backward asymmetry models
• Light axigluon and single top production at the LHC
• Top quark in theory
• QCD correction to single top quark production at the ILC
• Higgs Phenomenology in Warped Extra-Dimensions with a 4th Generation
• Axigluon Phenomenology using ATLAS dijet data
• Large Hadron Collider constraints on a light baryon number violating sbottom coupling to a top and a light quark
• Top quark and Electroweak measurements at the Tevatron
• Top-quark forward-backward asymmetry from a color-octet t-channel resonance
• The ttbar asymmetry in the Standard Model and beyond
• EWPD Constraints on Flavor Symmetric Vector Fields
• Alternative Version of Chiral Color as Alternative to the Standard Model
• Top 2014: Theory Summary
• Colored bosons on top FBA and angular cross section for $t\bar{t}$ production
• MSSM corrections to the top-antitop quark forward-backward asymmetry at the Tevatron
• A Note on Measuring Charm and Bottom Forward-Backward Asymmetries at the Tevatron
• Phenomenological studies of top-pair production + jet at NLO
• Four Jets as a Probe of O(100 GeV) Physics beyond Standard Model at Hadron Colliders