Haut PDF Measurement of Top Pair Production Cross-Section in l + jets Channels in ATLAS at 7 TeV
Measurement of Top Pair Production Cross-Section in l + jets Channels in ATLAS at 7 TeV
... four jets, the W+jets background still contributes the number of events competitive to the number of signal events after event ...information of b-tagging, e.g. the requirement ...
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Observation of top-quark pair production in association with a photon and measurement of the $t\bar{t}\gamma$ production cross section in pp collisions at $\sqrt{s}=7$ TeV using the ATLAS detector
... for top-quark pairs (t¯ t) produced together with a photon (γ) with transverse energy greater than 20 GeV using a sample of t¯ t candidate events in final states with jets, missing transverse ...
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Measurement of the cross-section for W boson production in association with b-jets in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector
... Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of ...gratefully, in particular from CERN ...
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Measurement of the production cross section of jets in association with a Z boson in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector
... The in- ner detector (ID) is immersed in a 2 T axial magnetic field and provides charged-particle tracking in the pseudorapidity 2 range |η| < ...normally in the innermost ...fraction ...
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Measurement of the top quark pair cross section with ATLAS in pp collisions at sqrt(s) = 7 TeV using final states with an electron or a muon and a hadronically decaying tau lepton
... component of the fake τ leptons is charge symmet- ric; therefore it is expected to have the same shape in SS events as in OS events and should contribute the same number of fake τ leptons ...
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Measurement of the cross section for top-quark pair production in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector using final states with two high-pt leptons
... support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Aus- tralia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, ...
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Measurement of the t-channel single top-quark production cross section in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector
... support of ANPCyT, Ar- gentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, ...
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Measurement of the top quark pair production cross section in pp collisions at sqrt(s) = 7 TeV in dilepton final states with ATLAS
... A.M. Nairz 29 , Y. Nakahama 29 , K. Nakamura 155 , I. Nakano 110 , G. Nanava 20 , A. Napier 161 , M. Nash 77,c , N.R. Nation 21 , T. Nattermann 20 , T. Naumann 41 , G. Navarro 162 , H.A. Neal 87 , E. Nebot 80 , P.Yu. ...
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Measurement of the $t\bar{t}$ production cross section in the $\tau$ + jets final state in $pp$ collisions at $\sqrt{s}=8$ TeV using the ATLAS detector
... M. Livan 123a,123b , A. Lleres 58 , J. Llorente Merino 35a , S.L. Lloyd 79 , F. Lo Sterzo 153 , E.M. Lobodzinska 45 , P. Loch 7 , F.K. Loebinger 87 , K.M. Loew 25 , A. Loginov 179,∗ , T. Lohse 17 , K. Lohwasser 45 ...
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Measurement of the W+W- cross section in sqrt(s) = 7 TeV pp collisions with ATLAS
... all of com- parable size: (i) W +jets production with a jet misidenti- fied as a lepton; (ii) Drell-Yan production, which includes Z/γ ∗ → `` where the observed momentum imbalance is due to ...
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Measurement of the $W^{\pm}Z$ boson pair-production cross section in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS Detector
... measurements of the W ± Z production cross section in pp collisions at a centre-of- mass energy of √ s = 13 ...collected in 2015 by the ATLAS ...
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Measurement of Upsilon production in 7 TeV pp collisions at ATLAS
... Differential cross sections multiplied by the di-muon branching fraction, d 2 σ/dp T dy × Br(Υ → µ + µ − ), for Υ (1S) production extrapolated to the full phase space for (top) cen- tral and (bottom) ...
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Measurements of top quark pair relative differential cross-sections with ATLAS in pp collisions at sqrt(s) = 7 TeV
... Measurements of differential cross-sections in top quark pair events require full kinematic reconstruction of the t ¯t ...fit of the measured objects to a theoretical ...
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Measurement of top quark pair differential cross-sections in the dilepton channel in $pp$ collisions at $\sqrt{s}$ = 7 and 8 TeV with ATLAS
... E. Mountricha 27 , S.V. Mouraviev 97,∗ , E.J.W. Moyse 88 , S. Muanza 87 , R.D. Mudd 19 , F. Mueller 102 , J. Mueller 126 , R.S.P. Mueller 101 , T. Mueller 30 , D. Muenstermann 74 , P. Mullen 55 , G.A. Mullier 18 , F.J. ...
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Measurement of the prompt $J/\psi$ pair production cross-section in $pp$ collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector
... S. Cheatham 167a,167c , A. Chegwidden 93 , S. Chekanov 6 , S.V. Chekulaev 163a , G.A. Chelkov 68,k , M.A. Chelstowska 92 , C. Chen 67 , H. Chen 27 , K. Chen 150 , S. Chen 35b , S. Chen 157 , X. Chen 35c , Y. Chen 70 , ...
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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
... differences in the properties used for lepton identification between prompt, isolated leptons from W and Z boson decays (referred to as “real leptons”) and those where the leptons are either non-isolated or result ...
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Measurements of top-quark pair differential cross-sections in the lepton+jets channel in $pp$ collisions at $\sqrt{s}=13$ TeV using the ATLAS detector
... 2 ATLAS detector ATLAS is a multipurpose detector [ 14 ] that provides nearly full solid angle 1 coverage around the inter- action ...components of the ...reconstructed in the inner detector, ...
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Comprehensive measurements of t-channel single top-quark production cross sections at √s = 7 TeV with the ATLAS detector
... measurements of the t-channel single top-quark (t) and top-antiquark (¯t) total production cross sections σðtqÞ and σð¯tqÞ, their ratio R t ¼ σðtqÞ=σð¯tqÞ, and a measurement ...
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Measurement of the $b\overline{b}$ dijet cross section in $pp$ collisions at $\sqrt{s} = 7$ TeV with the ATLAS detector
... The cross sections as a function of the azimuthal angle and of the η–φ distance between the jets are shown in ...respectively. In these figures, the region at high angular ...
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Measurement of differential cross sections and $W^+/W^-$ cross-section ratios for $W$ boson production in association with jets at $\sqrt{s}=8$ TeV with the ATLAS detector
... emissions at LO in ...uncertainties in these corrections and the systematic uncertainty, defined by the envelope of variations of the starting scale of the parton shower, the ...
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