The preprint is available here.
J. High Energy Phys. 06 (2012) 058
arXiv:1204.1620
More detailed information: ANA note 2011-091
Caption | Figure |
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Invariant mass of the selected muon pairs. The fitted distribution to the data is shown as a solid line and the contribution from background and off-resonance Drell-Yan production as a dashed line. | |
Distributions for pcone. The points are for muons TT from pseudo-W data, the yellow (shaded) histograms are for W -MC simulation, while the open histograms are for muons from QCD background with IP > 80 μm from data. All distributions are normalised to unity. | |
Distributions for Econe. The points are for muons TT from pseudo-W data, the yellow (shaded) histograms are for W -MC simulation, while the open histograms are for muons from QCD background with IP > 80 μm from data. All distributions are normalised to unity. | |
Muon IP distribution for pseudo-W events as points, W-MC as a yellow (shaded) histogram, and muons from simulated semi-leptonic decays of hadrons contain- ing a b quark in the full open histogram or a c quark in the dashed open histogram. All distributions are normalised to unity. | |
E/pc for pseudo-W events as points, W-MC as a yellow (shaded) histogram, and for hadrons from randomly triggered events in the open histogram. The energy E is the sum of the energies in the electromagnetic and hadronic calorimeter associated with the particle. All distributions are normalised to unity. | |
Distribution of muon pT for positively (left panel) and negatively (right panel) charged muons in W candidate events, for the total fiducial cross-section. The data (points) are compared to the fitted contributions from W− and W+ (light shaded). The background contributions are, from top to bottom in the legend: decay-in-flight, Z → μμ, τ decays of W and Z, and heavy flavour decays. | |
Distribution of muon pT for positively (left panel) and negatively (right panel) charged muons in W candidate events, for the ημ bin 2 - 2.5. The data (points) are compared to the fitted contributions from W− and W+ (light shaded). The background contributions are, from top to bottom in the legend: decay-in-flight, Z → μμ, τ decays of W and Z, and heavy flavour decays. | |
Distribution of muon pT for positively (left panel) and negatively (right panel) charged muons in W candidate events, for the ημ bin 2.5 - 3. The data (points) are compared to the fitted contributions from W− and W+ (light shaded). The background contributions are, from top to bottom in the legend: decay-in-flight, Z → μμ, τ decays of W and Z, and heavy flavour decays. | |
Distribution of muon pT for positively (left panel) and negatively (right panel) charged muons in W candidate events, for the ημ bin 3 - 3.5. The data (points) are compared to the fitted contributions from W− and W+ (light shaded). The background contributions are, from top to bottom in the legend: decay-in-flight, Z → μμ, τ decays of W and Z, and heavy flavour decays. | |
Distribution of muon pT for positively (left panel) and negatively (right panel) charged muons in W candidate events, for the ημ bin 3.5 - 4. The data (points) are compared to the fitted contributions from W− and W+ (light shaded). The background contributions are, from top to bottom in the legend: decay-in-flight, Z → μμ, τ decays of W and Z, and heavy flavour decays. | |
Distribution of muon pT for positively (left panel) and negatively (right panel) charged muons in W candidate events, for the ημ bin 4 - 4.5. The data (points) are compared to the fitted contributions from W− and W+ (light shaded). The background contributions are, from top to bottom in the legend: decay-in-flight, Z → μμ, τ decays of W and Z, and heavy flavour decays. | |
Measurements of the Z , W + and W − cross-section and ratios, data are shown as bands which the statistical (dark shaded/orange) and total (light hatched/yellow) errors. The measurements are compared to NNLO and NLO predictions with different PDF sets for the proton, shown as points with error bars. The PDF uncertainty, evaluated at the 68% confidence level, and the theoretical uncertainties are added in quadrature to obtain the uncertainties of the predictions. | |
Differential cross-section for Z → μμ as a function of yZ. The dark shaded (orange) bands correspond to the statistical uncertainties, the light hatched (yellow) band to the statistical and systematic uncertainties added in quadrature. Superimposed are NNLO (NLO) predictions with different parametrisations for the PDF as points with error bars; they are displaced horizontally for presentation. | |
Differential W cross-section in bins of muon pseudorapidity. The dark shaded (orange) bands correspond to the statistical uncertainties, the light hatched (yellow) band to the statistical and systematic uncertainties added in quadrature. Superimposed are NNLO (NLO) predictions as described before. | |
Lepton charge asymmetry Aμ = (σW +→μ+ν − σW −→μ−ν ̄)/(σW +→μ+ν + σW −→μ−ν ̄) in bins of muon pseudorapidity. The dark shaded (orange) bands correspond to the sta- tistical uncertainties, the light hatched (yellow) band to the statistical and systematic uncertainties added in quadrature. Superimposed are NNLO (NLO) predictions as described before. The MSTW08 values for ημ < 2 represent the central value of the prediction. | |
RW = σW + →μ+ ν /σW − →μ− ν ̄ in bins of muon pseudorapidity. The dark shaded (orange) bands correspond to the statistical uncertainties, the light hatched (yellow) band to the statistical and systematic uncertainties added in quadrature. Superimposed are NNLO (NLO) predictions with different parametrisations as described before. The MSTW08 values for ημ < 2 represent the central value of the prediction. | |
Lepton charge asymmetry Aμ = (σW +→μ+ν −σW −→μ−ν ̄)/(σW +→μ+ν +σW −→μ−ν ̄) for muons with pμT >25, respectively in bins of muon pseu- dorapidity. The dark shaded (orange) bands correspond to the statistical uncertainties, the light hatched (yellow) band to the statistical and systematic uncertainties added in quadrature. The statistical uncertainty is undistinguishable from the total uncertainty. Superimposed are the NNLO predictions with the MSTW08 parametrisation for the PDF. | |
Lepton charge asymmetry Aμ = (σW +→μ+ν −σW −→μ−ν ̄)/(σW +→μ+ν +σW −→μ−ν ̄) for muons with pμT >30 GeV/c, respectively in bins of muon pseu- dorapidity. The dark shaded (orange) bands correspond to the statistical uncertainties, the light hatched (yellow) band to the statistical and systematic uncertainties added in quadrature. The statistical uncertainty is undistinguishable from the total uncertainty. Superimposed are the NNLO predictions with the MSTW08 parametrisation for the PDF. |
-- TaraShears - 18-Sep-2012
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