channel cross section: ratio
Measurement of the ratio of the $p\bar{p}\to W$+$c$-jet cross section to the inclusive $p\bar{p}\to W$+jets cross section
... Candidate events in the electron (muon) decay channel of the W boson must pass at least one of the single elec- tron (muon) three-level (L1, L2 and L3) triggers used in each data taking period. Each level of ...
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Measurement of the ttbar production cross section in the tau+jets channel using the ATLAS detector
... 6 Results An extended binned-likelihood fit is used to extract the different contributions from the n track distribution. To improve the fit stability, a soft constraint is applied to the ratio of quark-jet events ...
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Measurement of the $p\bar{p} \to t\bar{t} + X$ production cross section at $sqrt{s}$=1.96 TeV in the fully hadronic decay channel
... production cross section was calcu- lated from the output of NN, an artificial neural network trained to force its output near 1 for t¯ t events and near −1 for QCD multijet events, using the multilayer ...
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Measurement of the t-channel single top quark production cross section
... SM ratio of the two production modes. This ratio is modified in several new physics scenarios, for example in models with additional quark generations, new heavy bosons [4, 5, 6, 7], flavor-changing neutral ...
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Simultaneous measurement of the ratio B(t->Wb)/B(t->Wq) and the top quark pair production cross section with the D0 detector at sqrt(s)=1.96 TeV
... e+jets channel we use five variables: the leading jet p T , the maximum ∆R [10] between two of the four leading jets, A, C M , and D M ...the ratio of the mass of the three leading jets to the mass of the ...
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Cross Section Measurement of t -Channel Single Top Quark Production in pp Collisions at √s = 13 TeV
... signal cross sections, binned likelihood fits are performed on the distributions of the MVA ...the ratio of single top quark to top antiquark production R ...
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Measurement of the top quark pair production cross-section with ATLAS in the single lepton channel
... uct of the signal acceptance, selection efficiency and branching ratio, obtained from t¯t simulation. The normalisation of the backgrounds was treated differently in the two analyses. In the untagged analysis the ...
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Idiosyncratic Consumption Risk and the Cross-Section of Asset Returns
... the cross-section of asset ...the cross-sectional distribution of consumption ...the cross-sectional distribution is almost always estimated with the theoretically expected sign, the sign ...
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Hedge Fund Returns and Factor Models : A Cross-Section Approach
... the number of statistically significant factors estimated by the likelihood test ratio increases with N even if the true number of factors is fixed. Connor and Korajczyk (1993) develop a test for the number of ...
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Radar Cross Section Measurement within Reverberation Chamber: Stirrer position issues
... In the last years, Reverberation Chambers (RCs) became a promising alternative testing facility for a wide range of electromagnetic applications including global parameter estimation sucha as absorbing cross ...
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Approximation of the scattering cross section for aggregated spherical particles
... scattering cross sections of aggregates are ...scattering cross section of ...scattering cross sections depend on the size of the primary particles, on the morphology of the aggregates and on ...
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Echo Cancellation - A Likelihood Ratio Test for Double-talk Versus Channel Change
... Index Terms—Echo cancellation, channel change, double-talk, likelihood ratio test. I. I NTRODUCTION E CHO cancellers (ECs) have been used in networks for voice quality enhancement for several decades. There ...
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Measurement of the Z boson differential cross-section in transverse momentum in the electron-positron channel with the ATLAS detector at LHC.
... Figure 2.12: Schematic view of the ATLAS trigger system. The level 1 trigger system (LVL1) processes electronic signals collected in a subset of ATLAS subdetectors (calorimeters and muon spectrometer) with lower ...
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A Spherical Cross-Channel Algorithm for Binaural Sound Localization
... D. Simulation of an isotropic noise field Noise is probably one of the most common problems that localization algorithms have to face. Ideally, localization approaches should be efficient even for very low SNR ...
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Quantum scattering by a disordered target - The mean cross section
... normalized cross section for diffusion by a hard sphere of radius ...mean cross section except in the uninteresting range of values of the density in which the approximation of single ...
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Route to chaos on a dragonfly wing cross section in gliding flight
... ing in the same low Reynolds number range. The exper- imental study from Okamoto et al. [9] has shown that a corrugation or a sinusoidal pattern of surface roughness may be beneficial for aerodynamic characteristics. ...
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Echo Cancellation : the generalized likelihood ratio test for double-talk vs. channel change
... the channel input vector and the scalar error ...a channel change or ...the channel variations if a channel change has ...and channel change leads to a non-trivial detection ...
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The Total Cross Section at the LHC: Models and Experimental Consequences
... The total cross section is a highly non-perturbative object that we cannot predict from QCD. In fact, we have to rely on theoretical ideas that were developed before QCD, in the context of the analytic S ...
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Compton Scattering Cross Section on the Proton at High Momentum Transfer
... systematic error. Two additional corrections were applied to obtain the RCS cross section. The first correction deals with the kinematically correlated pγ background events from the epγ process, in which an ...
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Front blocking and propagation in cylinders with varying cross section
... 5 Blocking by a narrow passage In this section we prove Theorem 1.8. There are earlier results on the existence of non constant stable steady states for bistable reaction-diffusion equations with Neumann boundary ...
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