Top Hole Etch Final Cross Section
Highlights of top quark cross-section measurements at ATLAS
... differential cross-section as a function of the hadronically decaying top quark p T ...the final results. MC samples are normalized to the NNLO+NNLL inclusive cross-section σ t t ...
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Measurement of the Top Quark Pair Production Cross Section in pbarp Collisions
... The principal source of background in the , 1 jets y m analysis is also W 1 jets production. We assume the heavy flavor content in W 1 jets events is the same as in multijet events [5]. The probability of tagging a jet ...
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Measurements of the production cross-section of top quark pairs using the ATLAS detector at the LHC
... Differential cross-section measurements in bins of particle-jet multiplicity are performed using ...and final state radiation in top events and test perturbative ...
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Measurement of the top quark pair cross section with ATLAS in pp collisions at √s=7 TeV using final states with an electron or a muon and a hadronically decaying τ lepton
... either prompt or from a τ lepton decay to ) and a neutrino and the other W decays to a τ lepton and a neutrino with the τ lep- ton in turn decaying hadronically. In addition at least one jet is tagged (b-tag) as ...
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Differential top antitop cross section measurements as a function of observables constructed from final state particles using pp collisions at s=7 TeV in the ATLAS detector
... The number of events with a reconstructed ˆ t is much smaller than the total number of generated t ¯ t events. This is primarily due to the requirement of a single lepton, four jets and the pseudo-top construction ...
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Measurement of the top quark production cross section and search for the SM Higgs boson in dilepton final states with the CMS detector at the LHC pp collider at √s = 7 TeV
... larger cross-section that can withstand a hoop stress of 64 ...conductor cross-section is 64 × 22mm 2 , and it was manufactured in 20 continuous lengths, of ...
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Measurement of the top quark pair production cross-section involving a Tau & Muon Studies with TileCal in ATLAS
... Los quarks son tripletes del grupo gauge SU(3), y por tanto son capaces de transportar una carga adicional denominada “Color”, la cual es la responsable de su participación en las interacciones fuertes (Quantum ...
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Measurement of the t -Channel Single Top-Quark Production Cross-Section with the ATLAS Detector at s = 7 TeV
... 2.3. LHC Commissioning and ATLAS Data Taking Performance L2 processing the data of the RoI is copied to off-detector electronics. On average 2% of the event data have to be processed. The L2 trigger refines the decision ...
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Measurement of the production cross section of a single top quark in association with a W boson at 8 TeV with the ATLAS experiment
... equal-size W t samples are combined to reduce sensitivity to the modelling uncertainties and to maximise the number of events available for training: the Powheg-Box+Pythia sample with the DR scheme, the Powheg-Box+Pythia ...
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Measurement of the single-top-quark $t$-channel cross section in $pp$ collisions at $\sqrt{s}=7$ TeV
... The cross section of t-channel single-top-quark production has been measured in pp collisions using 2011 data in semileptonic top-quark decay modes with improved precision compared to the ...
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Inclusive and differential cross-section measurements of tW single top-quark production at √s = 13 TeV with the ATLAS detector
... The systematic uncertainties are also studied thoroughly in [ 138 ]. 88 JES systematic uncertainty terms, propagated from the individual calibrations, are associated with the final calibration. 75 in-situ ...
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Measurements of the Top Quark Pair-Production Cross Section
... The cross section measurements, which traditionally were performed by means of a simple counting exper- iment, today frequently employ sophisticated likelihood fits to one or more discriminating ...
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Top quark pair production cross section with the ATLAS experiment
... s = 8 TeV The last analysis shown in this document is the only one available currently at √ s = 8 TeV sample, and it uses a total integrated luminosity of 5.8 fb −1 . In this case, the selection criteria is tightened to ...
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Cutting A Hole In Glass Table Top
... cutting hole top or any dimensions must be fine unless you may be fine unless you found the closer ...or hole in glass top or other ...table top chances are some glass being set the ...
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Cross-section measurements of final states with photons and jets with the ATLAS experiment
... A quantitative comparison of the measurements to fixed-order NLO QCD calculations, corrected for non-perturbative and electroweak e ff ects, shows overall fair agreement (with p-values in the per- cent range) when ...
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Cross section
... impacting forces. This body of work is a cross section of an open system. An open system is any system that supports life—humans are wonderful examples of an open system because our bodies are constantly ...
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Single top-quark production cross-section and properties using the ATLAS detector at the LHC
... a cross-section of σ s = ...s-channel cross-section is ...single top-quark final state can be used to search for additional charged heavy gauge ...
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Single-top and top-antitop cross sections
... and top-antitop cross sections Nikolaos Kidonakis 1, ∗ 1 Department of Physics, Kennesaw State University, Kennesaw, GA 30144, USA ...and top-antitop production cross sections and differential ...
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Metallographic Etch
... Etchant (electrolyte): For step 1 (pre-etching): 25 ml nitric acid and 75 ml ethyl alcohol (95 %), for step 2: 15 to 35 g sodium metabisulfite; dilute to 100 ml with distilled water. Procedure: Step 1: Pre-etch ...
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Top quark physics experimental results at the LHC: Cross section and mass measurements with the CMS experiment
... of top quark events collected during Run 1 makes also possible the measurement of differential cross sections, dσ/dX, for the relevant variable ...the top or t¯ t systems, such as p T , M t¯ t , t¯ t ...
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