[PDF] Top 20 Measurement of the W boson polarization in top quark decays with the ATLAS detector
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Measurement of the W boson polarization in top quark decays with the ATLAS detector
... simulated W +jets samples were estimated in auxiliary measurements described in ...for W b ¯ b+jets and W c¯ c+jets contributions, and 35% for W c+jets ...single top quark and ... See full document
47
Measurement of the correlation between the polar angles of leptons from top quark decays in the helicity basis at √s=7 TeV using the ATLAS detector
... We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; ... See full document
23
Measurement of the Higgs boson mass with the ATLAS detector
... a measurement of the detector material achieving an improved simulation, a simulation-based calibration and a measurement of the energy scale from Z boson ... See full document
8
Measurement of top quark polarization in top antitop events from proton proton collisions at √s=7 TeV using the ATLAS detector
... We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; ... See full document
20
Top-quark properties and mass measurements with the ATLAS detector
... the W boson from the top-quark decay has high momentum and its decay products tend to have small angles and the top-quark charge asymmetry di ff ers between FCNC processes and SM ... See full document
13
Top quark production measurements using the ATLAS detector at the LHC
... This region is divided into four signal regions with exactly three leptons. Three of these, out of which each requires an opposite-sign same flavour (OSSF) pair of leptons, whose mass is within 10 GeV of the Z ... See full document
8
Measurement of the W-boson mass in pp collisions at root s=7 TeV with the ATLAS detector
... the W-boson differential cross section as a function of lepton pseudorapidity, and the angu- lar coe ffi cients in Z-boson events, to the corresponding ATLAS measurements [41, ...measured ... See full document
86
Search for top quark decays t → qH with H → γγ using the ATLAS detector
... qH decays in tt production is undertaken using the H → γγ decay ...Higgs boson mass around 125 GeV), the H → γγ channel was chosen because of its demonstrated high importance for inclusive Higgs ... See full document
41
Search for Higgs and Z Boson Decays to ϕγ with the ATLAS Detector.
... Rare decays of the 125 GeV Higgs boson [1,2] H to a light meson and a photon γ have been suggested to present one viable probe of the Yukawa coupling of the Higgs boson to light (u, d, s) quarks ... See full document
19
Top quark properties using the ATLAS detector at the LHC
... The top quark is the heaviest known fundamental particle, leading to important theoretical and ex- perimental ...large top quark mass implies a large coupling to the Higgs boson and ... See full document
7
Measurements of top quark properties with the ATLAS detector
... The determination of the required cross-section was performed with data from 2011 ( √ s = 7 TeV) and 2012 ( √ s = 8 TeV), having the integrated luminosities of 4.6 fb − 1 and 20.3 fb − 1 , respectively. All events were ... See full document
12
Measurement of $W^{\pm}W^{\pm}$ vector-boson scattering and limits on anomalous quartic gauge couplings with the ATLAS detector
... the W ± Z j j-EW and W ± Z j j-QCD ...the W ± Z j j-EW background estimation are determined separately for the contribution with and without b- ...the W ± Z j j-QCD production. The W ± ... See full document
49
Measurement of the top quark charge in pp collisions at √s=7 TeV with the ATLAS detector
... precise measurement to definitively resolve this question with more than 5σ confidence ...excellent ATLAS detector performance, the analysis presented here not only demonstrates that the particle ... See full document
43
Search for the associated production of the Higgs boson with a top quark pair in multilepton final states with the ATLAS detector
... Reconstructing two same-sign light leptons from t ¯ t production or similar sources requires that one of the light leptons is non- prompt or has its charge misidentified. In the 2 1 τ had category, the charge mis-id ... See full document
24
Search for Higgs and Z Boson Decays to ϕγ with the ATLAS Detector
... Rare decays of the 125 GeV Higgs boson [1,2] H to a light meson and a photon γ have been suggested to present one viable probe of the Yukawa coupling of the Higgs boson to light (u, d, s) quarks ... See full document
20
Observation of Higgs boson production in association with a top quark pair at the LHC with the ATLAS detector
... Higgs boson in 2012 by the ATLAS and CMS Collaborations [1,2], many measurements of its properties were performed ...Higgs boson is its coupling to the top quark, the heaviest particle ... See full document
20
Measurement of the production cross section of a single top quark in association with a W boson at 8 TeV with the ATLAS experiment
... single top quark in association with a W boson in proton-proton collisions at √ s = 8 TeV is ...the ATLAS detector in 2012 at the Large Hadron Collider at ...The W t ... See full document
48
Measurement of the Top Quark Properties with the ATLAS Detector
... A kinematic likelihood fitter (KLFitter) is used to improve the probability of properly assigning the jet to its decay particle. The probability of properly as- signing all jets is increased to 70 % or higher. This is ... See full document
5
A Search For Nothing: Dark Matter And Invisible Decays Of The Higgs Boson At The Atlas Detector
... between detector components and is not fully ...semileptonic decays of hadrons containing b and c ...heavy quark decays tend to have a larger impact parameter with respect to the primary ... See full document
161
Precision Measurements of Top Quark Production with the ATLAS Detector
... requiring exactly two charged leptons and at least two jets with at least one b-tagged jet. The anal- ysis using 7 TeV data exploits all possible leptonic final states, namely the ee, eµ and µµ channel, while the 8 TeV ... See full document
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