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Single top quark events produced in the t channel are used to set limits on anomalous Wtb couplings and to search for top quark flavour-changing neutral current (FCNC) interactions. The data taken with the CMS detector at the LHC in... more
In a recent paper, Tye and Wong (TW) have argued that sphaleron-induced transitions in high-energy proton-proton collisions should be enhanced compared to previous calculations, based on a construction of a Bloch wave function in the... more
We investigate the relation between 3d N = 2 theories and 2d free field correlators or Dotsenko-Fateev (DF) integrals for Liouville CFT. We show that the S 2 × S 1 partition functions of some known 3d Seiberg-like dualities reduce, in a... more
A measurement of the cross section of the associated production of a single top quark and a W boson in final states with a muon or electron and jets in proton-proton collisions at $$ \sqrt{s} $$ s = 13 TeV is presented. The data... more
A search for flavour changing neutral current (FCNC) processes in top-quark decays by the ATLAS Collaboration is presented. Data collected from pp collisions at the LHC at a centre-of-mass energy of $ \sqrt{s}=7\;TeV $ during 2011,... more
A first measurement of the top quark mass in the decay channel t → (W → ν) (b → J/ψ + X → µ + µ -+ X) is presented. The analysis uses events selected from the protonproton collisions recorded by the CMS detector at the LHC at a... more
We demonstrate that flavour-changing neutral currents in the top sector, mediated by leptophilic scalars at the electroweak scale, can easily arise in scenarios of new physics, and in particular in composite Higgs models. We moreover show... more
Measurement of the lepton charge asymmetry in inclusive W production in pp collisions at root s=7TeV
A measurement of the lepton charge asymmetry in inclusive pp → WX production at √ s = 7 TeV is presented based on data recorded by the CMS detector at the LHC and corresponding to an integrated luminosity of 36 pb −1. This high precision... more
This paper presents a measurement of the top quark pair (tt) production charge asymmetry A C using 4.7 fb −1 of proton-proton collisions at a centre-of-mass energy √ s = 7 TeV collected by the ATLAS detector at the LHC. A tt-enriched... more
A search is performed for flavour-changing neutral currents in the decay of a top quark to an up-type (c, u) quark and a Higgs boson, where the Higgs boson decays to two photons. The proton-proton collision data set used corresponds to... more
A search for new top quark interactions is performed within the framework of an effective field theory using the associated production of either one or two top quarks with a Z boson in multilepton final states. The data sample corresponds... more
This paper presents a measurement of the top quark pair (tt) production charge asymmetry A C using 4.7 fb −1 of proton-proton collisions at a centre-of-mass energy √ s = 7 TeV collected by the ATLAS detector at the LHC. A tt-enriched... more
A search is presented for same-sign top-quark production and down-type heavy quarks of charge −1/3 in events with two isolated leptons (e or μ) that have the same electric charge, at least two jets and large missing transverse momentum.... more
We present a search for a new heavy particle X produced in association with a top quark, pp → t(X →tq) or pp →t(X → tq), where q stands for up quarks and down quarks. Such a particle may explain the recent anomalous measurements of... more
A search is presented for single production of a vector-like quark (T) decaying to a Z boson and a top quark, with the Z boson decaying leptonically and the top quark decaying hadronically. The search uses data collected by the CMS... more
A measurement of the cross section of the associated production of a single top quark and a W boson in final states with a muon or electron and jets in proton-proton collisions at $$ \sqrt{s} $$ s = 13 TeV is presented. The data... more
A measurement of the production cross section of top quark pairs in association with two b jets ($\mathrm{t\bar{t}}\mathrm{b\bar{b}}$) is presented using data collected in proton-proton collisions at $\sqrt{s} =$ 13 TeV by the CMS... more
This paper presents a measurement of the top quark pair (tt) production charge asymmetry A C using 4.7 fb −1 of proton-proton collisions at a centre-of-mass energy √ s = 7 TeV collected by the ATLAS detector at the LHC. A tt-enriched... more
Most accurate top quark mass determinations through direct measurements, from the reconstruction of the top decay products (lepton, jets, b-jets) Fits to data using templates obtained from exclusive Monte Carlo predictions... more
The running of the top quark mass is experimentally investigated for the first time. The mass of the top quark in the modified minimal subtraction (MS) renormalization scheme is extracted from a comparison of the differential top... more
This paper presents a measurement of the top quark pair (tt) production charge asymmetry A C using 4.7 fb −1 of proton-proton collisions at a centre-of-mass energy √ s = 7 TeV collected by the ATLAS detector at the LHC. A tt-enriched... more
The mass of the top quark is measured using a sample of $${{\text {t}}\overline{{\text {t}}}}$$ t t ¯ events collected by the CMS detector using proton-proton collisions at $$\sqrt{s}=13$$ s = 13 $$\,\text {TeV}$$ TeV at the CERN LHC.... more
Measurement of W γ and Zγ production cross sections in pp collisions at √ s = 7 TeV and limits on anomalous triple gauge couplings with the ATLAS detector The ATLAS Collaboration
We demonstrate that flavour-changing neutral currents in the top sector, mediated by leptophilic scalars at the electroweak scale, can easily arise in scenarios of new physics, and in particular in composite Higgs models. We moreover show... more
We demonstrate that flavour-changing neutral currents in the top sector, mediated by leptophilic scalars at the electroweak scale, can easily arise in scenarios of new physics, and in particular in composite Higgs models. We moreover show... more
We demonstrate that flavour-changing neutral currents in the top sector, mediated by leptophilic scalars at the electroweak scale, can easily arise in scenarios of new physics, and in particular in composite Higgs models. We moreover show... more
A search for new top quark interactions is performed within the framework of an effective field theory using the associated production of either one or two top quarks with a Z boson in multilepton final states. The data sample corresponds... more
We demonstrate that flavour-changing neutral currents in the top sector, mediated by leptophilic scalars at the electroweak scale, can easily arise in scenarios of new physics, and in particular in composite Higgs models. We moreover show... more
We demonstrate that flavour-changing neutral currents in the top sector, mediated by leptophilic scalars at the electroweak scale, can easily arise in scenarios of new physics, and in particular in composite Higgs models. We moreover show... more
We demonstrate that flavour-changing neutral currents in the top sector, mediated by leptophilic scalars at the electroweak scale, can easily arise in scenarios of new physics, and in particular in composite Higgs models. We moreover show... more
We use 106 pb −1 of data collected with the Collider Detector at Fermilab to search for narrowwidth, vector particles decaying to a top and an anti-top quark. Model independent upper limits on the cross section for narrow, vector... more
A search is presented for the production of a single top quark via left-handed flavour-changing neutral-current (FCNC) interactions of a top quark, a gluon and an up or charm quark. Two production processes are considered:... more
A search is presented for the production of a single top quark via left-handed flavour-changing neutral-current (FCNC) interactions of a top quark, a gluon and an up or charm quark. Two production processes are considered:... more
We demonstrate that flavour-changing neutral currents in the top sector, mediated by leptophilic scalars at the electroweak scale, can easily arise in scenarios of new physics, and in particular in composite Higgs models. We moreover show... more
The mass of the top quark is measured using a sample of $${{\text {t}}\overline{{\text {t}}}}$$ t t ¯ events collected by the CMS detector using proton-proton collisions at $$\sqrt{s}=13$$ s = 13 $$\,\text {TeV}$$ TeV at the CERN LHC.... more
We demonstrate that flavour-changing neutral currents in the top sector, mediated by leptophilic scalars at the electroweak scale, can easily arise in scenarios of new physics, and in particular in composite Higgs models. We moreover show... more
A search for the standard model Higgs boson in the H → ZZ → 2ℓ2ν decay channel, where ℓ = e or μ, in pp collisions at a center-of-mass energy of 7 TeV is presented. The data were collected at the LHC, with the CMS detector, and correspond... more
This paper presents a measurement of the top quark pair (tt) production charge asymmetry A C using 4.7 fb −1 of proton-proton collisions at a centre-of-mass energy √ s = 7 TeV collected by the ATLAS detector at the LHC. A tt-enriched... more
We investigate the relation between 3d N = 2 theories and 2d free field correlators or Dotsenko-Fateev (DF) integrals for Liouville CFT. We show that the S 2 × S 1 partition functions of some known 3d Seiberg-like dualities reduce, in a... more
We investigate the relation between 3d N = 2 theories and 2d free field correlators or Dotsenko-Fateev (DF) integrals for Liouville CFT. We show that the S 2 × S 1 partition functions of some known 3d Seiberg-like dualities reduce, in a... more
We investigate the relation between 3d N = 2 theories and 2d free field correlators or Dotsenko-Fateev (DF) integrals for Liouville CFT. We show that the S 2 × S 1 partition functions of some known 3d Seiberg-like dualities reduce, in a... more
We investigate the relation between 3d N = 2 theories and 2d free field correlators or Dotsenko-Fateev (DF) integrals for Liouville CFT. We show that the S 2 × S 1 partition functions of some known 3d Seiberg-like dualities reduce, in a... more
We investigate the relation between 3d N = 2 theories and 2d free field correlators or Dotsenko-Fateev (DF) integrals for Liouville CFT. We show that the S 2 × S 1 partition functions of some known 3d Seiberg-like dualities reduce, in a... more
A search for the standard model Higgs boson produced in association with a top-quark pair (ttH) is presented, using data samples corresponding to integrated luminosities of up to 5.1 fb −1 and 19.7 fb −1 collected in pp collisions at... more
We investigate the relation between 3d N = 2 theories and 2d free field correlators or Dotsenko-Fateev (DF) integrals for Liouville CFT. We show that the S 2 × S 1 partition functions of some known 3d Seiberg-like dualities reduce, in a... more
We demonstrate that flavour-changing neutral currents in the top sector, mediated by leptophilic scalars at the electroweak scale, can easily arise in scenarios of new physics, and in particular in composite Higgs models. We moreover show... more
Search for resonant production of strongly coupled dark matter in proton-proton collisions at 13 TeV
The first collider search for dark matter arising from a strongly coupled hidden sector is presented and uses a data sample corresponding to 138 fb−1, collected with the CMS detector at the CERN LHC, at $$ \sqrt{s} $$ s = 13 TeV. The... more
This paper intends to collect the various evidences observed by ATLAS and CMS within searches for heavy scalars and pseudocalars. These searches in tt, hZ, tautau and 2jets+W, obtain individual excesses in five channels, each at a modest... more
We study the signatures for new TeV resonances that couple to top or bottom quarks both at the Tevatron Run II and at the LHC. We find that it is possible to study these resonances when they are produced in association with a pair of... more
A measurement of the forward-backward asymmetry of pairs of oppositely charged leptons (dimuons and dielectrons) produced by the Drell-Yan process in proton-proton collisions is presented. The data sample corresponds to an integrated... more