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[PDF] Top 20 Global Constraints on Top Quark Anomalous Couplings

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Global Constraints on Top Quark Anomalous Couplings

Global Constraints on Top Quark Anomalous Couplings

... limits on the allowed re- gions for Re(g R ), Im(g R ), Re(V R ). The plot on the right side shows the corresponding two-dimensional regions for Re(g R ) and Im(g R ...the global fit, in order to ... See full document

5

Measurement of vector boson scattering and constraints on anomalous quartic couplings from events with four leptons and two jets in proton–proton collisions at $\sqrt{s}=$ 13 TeV

Measurement of vector boson scattering and constraints on anomalous quartic couplings from events with four leptons and two jets in proton–proton collisions at $\sqrt{s}=$ 13 TeV

... At the LHC, VBS is initiated by quarks q from the colliding pro- tons; both quarks radiate vector bosons (V = W, Z) which then interact. Because of the relatively small transverse momentum p T carried by the gauge bosons ... See full document

24

Measurement of the cross section for electroweak production of Z$\gamma$ in association with two jets and constraints on anomalous quartic gauge couplings in proton–proton collisions at $\sqrt{s} = 8$ TeV

Measurement of the cross section for electroweak production of Z$\gamma$ in association with two jets and constraints on anomalous quartic gauge couplings in proton–proton collisions at $\sqrt{s} = 8$ TeV

... This letter presents a measurement of the associated EW pro- duction of Z γ jj, using the 8 TeV proton–proton collision data recorded by the CMS detector. The major processes contributing to EW Z γ jj production are ... See full document

23

Search for anomalous Wtb couplings and flavour-changing neutral currents in t-channel single top quark production in pp collisions at $\sqrt{s} =$ 7 and 8 TeV

Search for anomalous Wtb couplings and flavour-changing neutral currents in t-channel single top quark production in pp collisions at $\sqrt{s} =$ 7 and 8 TeV

... Single top quark events produced in the t channel are used to set limits on anoma- lous Wtb couplings and to search for top quark flavour-changing neutral current (FCNC) ... See full document

42

Measurement of $W^{\pm}W^{\pm}$ vector-boson scattering and limits on anomalous quartic gauge couplings with the ATLAS detector

Measurement of $W^{\pm}W^{\pm}$ vector-boson scattering and limits on anomalous quartic gauge couplings with the ATLAS detector

... based on the lepton flavor, namely e ± e ± , e ± µ ± , and µ ± µ ± ...from top-quark pair and single top-quark production, the event is rejected if any jet is classified as a ... See full document

49

Determination of the Width of the Top Quark

Determination of the Width of the Top Quark

... relies on the validity of the NLO QCD calculations of the single top-quark cross section and of the top-quark partial decay ...of anomalous Wtb couplings [10], hadroni- ... See full document

7

Evidence for exclusive $\gamma\gamma \to W^+ W^-$ production and constraints on anomalous quartic gauge couplings in $pp$ collisions at $ \sqrt{s}=7 $ and 8 TeV

Evidence for exclusive $\gamma\gamma \to W^+ W^-$ production and constraints on anomalous quartic gauge couplings in $pp$ collisions at $ \sqrt{s}=7 $ and 8 TeV

... Figure 4 shows the dilepton invariant mass distribution for events with no additional tracks at the dilepton vertex. The theoretical double-dissociation contribution (blue dotted line on top of the sum of ... See full document

42

Constraints on new phenomena via Higgs boson couplings and invisible decays with the ATLAS detector

Constraints on new phenomena via Higgs boson couplings and invisible decays with the ATLAS detector

... boson couplings and mass, and searched for invisible Higgs boson decays, using multiple production and decay channels with up to ...a top-quark pair, are used to probe the scaling of the coup- lings ... See full document

51

Measurement of the $pp \to ZZ$ production cross section and constraints on anomalous triple gauge couplings in four-lepton final states at $\sqrt s=$8 TeV

Measurement of the $pp \to ZZ$ production cross section and constraints on anomalous triple gauge couplings in four-lepton final states at $\sqrt s=$8 TeV

... through quark-antiquark t- and u-channel scattering ...SM. Anomalous triple gauge couplings (ATGC) ZZZ and ZZγ are introduced using an effective Lagrangian following ...ZZγ couplings are ... See full document

33

Measurement of electroweak-induced production of W$\gamma$ with two jets in pp collisions at $ \sqrt{s}=8 $ TeV and constraints on anomalous quartic gauge couplings

Measurement of electroweak-induced production of W$\gamma$ with two jets in pp collisions at $ \sqrt{s}=8 $ TeV and constraints on anomalous quartic gauge couplings

... the top quark backgrounds, we require that the tag jets fail a b tagging requirement of the com- bined secondary vertex algorithm [65] with a misidentification rate of ... See full document

38

Dipole-induced anomalous top quark couplings at the LHC

Dipole-induced anomalous top quark couplings at the LHC

... so-called top quark dipole operators and we present constraints on the coefficients of these operators arising from direct probes at the ...in top quark decays, t-channel single ... See full document

5

Measurements of electroweak $Wjj$ production and constraints on anomalous gauge couplings with the ATLAS detector

Measurements of electroweak $Wjj$ production and constraints on anomalous gauge couplings with the ATLAS detector

... Table 2: Monte Carlo samples used to model the signal and background processes. The cross sections times branching fractions, σ · B, are quoted for √ s = 7 and 8 TeV. The branching fraction corresponds to the decay to a ... See full document

96

Constraints on anomalous Higgs boson couplings using production and decay information in the four-lepton final state

Constraints on anomalous Higgs boson couplings using production and decay information in the four-lepton final state

... b quark flavor-tagged, or at least four jets and no b-tagged ...requirements on the number of b-tagged jets are applied to reduce cross-feed from ttH ... See full document

34

Measurement of the top quark mass using single top quark events in proton-proton collisions at $\sqrt{s}= 8$  TeV

Measurement of the top quark mass using single top quark events in proton-proton collisions at $\sqrt{s}= 8$  TeV

... quark production enriches the range of available measurements, exploiting a sample which is almost statistically independent from those used by previous ones, and with systematic uncer- tainties partially ... See full document

34

Combination of t(t)over-bar cross section measurements and constraints on the mass of the top quark and its decays into charged Higgs bosons

Combination of t(t)over-bar cross section measurements and constraints on the mass of the top quark and its decays into charged Higgs bosons

... discussion on systematic uncertainties can be found in ...uncertainties on the combined cross sec- ...uncertainty on  tt differs slightly from the quadratic ... See full document

8

Anomalous couplings in e(+)e(-)->W+W- gamma at CERN LEP 2 and NLC

Anomalous couplings in e(+)e(-)->W+W- gamma at CERN LEP 2 and NLC

... gauge couplings can, in general, lead to anoma- lous quartic interaction among gauge bosons and also to anomalous couplings of these particles with the Higgs ... See full document

8

Search for baryon number violation in top-quark decays

Search for baryon number violation in top-quark decays

... distribution expected for B = 0.005 is also shown. The methods adopted for the QCD multijet background estimates provide no detailed shape information for this contribution. Thus, for the sake of illustration in the ... See full document

37

Strongly interacting vector bosons at the CERN LHC: Quartic anomalous couplings

Strongly interacting vector bosons at the CERN LHC: Quartic anomalous couplings

... account anomalous quartic vector-boson ...light on the electroweak symmetry-breaking sector and to look for a possible signal of strongly interacting electroweak symmetry ... See full document

9

Precision measurements of the Top quark with the ATLAS experiment

Precision measurements of the Top quark with the ATLAS experiment

... single top production cross-sections in various chan- nels as a function of the center of mass energy compared to a theoretical calculation based on NLO QCD complemented with NNLL resummation ...dependence ... See full document

10

Observation of top quark production in proton-nucleus collisions

Observation of top quark production in proton-nucleus collisions

... the top pair production cross section has been measured for the first time in proton-nucleus collisions, using pPb data at √ s NN = ...of top quark production in nuclear interactions, providing in ... See full document

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