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Author: Pieter Bruno Bart Everaerts Publisher: ISBN: Category : Languages : en Pages : 172
Book Description
From March until November 2010 the Compact Muon Solenoid 36 pb-1 of pp collisions at [the square root of sigma]= 7 TeV. One of the first precision Model that can be performed with this data is the measurement cross section and the charge asymmetry in the cross section. measurements are performed in the electron decay channel. The experiment recorded tests of the Standard of the W-production In this thesis, both results obtained are: [sigma](W -> ev) = 10.48 ± 0.03(stat.) 0.15(syst.) ± 0.09(th.) ± 0.42(lumi.)nb [sigma](W+ -> e+v, U(W+ - ez) = 1.430 ± 0.008(stat.) ± 0.022(syst.) ± 0.029(th.) [sigma](W- ->e-v) The measurements agree with state-of-the-art NNLO QCD calculations with the latest parton distribution functions.
Author: Pieter Bruno Bart Everaerts Publisher: ISBN: Category : Languages : en Pages : 172
Book Description
From March until November 2010 the Compact Muon Solenoid 36 pb-1 of pp collisions at [the square root of sigma]= 7 TeV. One of the first precision Model that can be performed with this data is the measurement cross section and the charge asymmetry in the cross section. measurements are performed in the electron decay channel. The experiment recorded tests of the Standard of the W-production In this thesis, both results obtained are: [sigma](W -> ev) = 10.48 ± 0.03(stat.) 0.15(syst.) ± 0.09(th.) ± 0.42(lumi.)nb [sigma](W+ -> e+v, U(W+ - ez) = 1.430 ± 0.008(stat.) ± 0.022(syst.) ± 0.029(th.) [sigma](W- ->e-v) The measurements agree with state-of-the-art NNLO QCD calculations with the latest parton distribution functions.
Author: Stephanie Akemi Brandt Publisher: ISBN: Category : Languages : en Pages : 160
Book Description
Measurements of W and Z boson production cross sections in pp collisions at [square root] s = 5.02TeV and [square root] s = 13TeV are presented. Data was collected by the CMS experiment at the LHC during low-pileup data taking periods in 2017. The corresponding integrated luminosity for the data is 299.1 ± 5 pb−1 ( [square root] s = 5.02TeV) and 199.3 ± 4 pb−1 ( [square root] s = 13TeV), with an average number of pile-up interactions [[mu] = 3 ([mu] = 2). Cross sections and cross section ratios are reported, with final states in electron and muon channels.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
A measurement of inclusive W and Z production cross sections in pp collisions at sqrt(s)=7 TeV is presented. The electron and muon decay channels are analyzed in a data sample collected with the CMS detector at the LHC and corresponding to an integrated luminosity of 36 inverse picobarns. The measured inclusive cross sections are sigma(pp-> WX) B(W-> l nu) = 10.30 +/- 0.02 (stat.) +/- 0.10 (syst.) +/- 0.10 (th.) +/- 0.41 (lumi.) nb and sigma(pp -> ZX) B(Z-> l+̂l-̂) = 0.974 +/- 0.007 (stat.) +/- 0.007 (syst.) +/- 0.018 (th.) +/- 0.039 (lumi.) nb, limited to the dilepton invariant mass range 60 to 120 GeV. The luminosity-independent cross section ratios are [sigma(pp->WX) B(W-> l nu)]/[sigma(pp-> ZX) B(Z->l+̂l-̂)] = 10.54 +/- 0.07 (stat.) +/- 0.08 (syst.) +/- 0.16 (th.) and [sigma(pp->W+̂X) B(W+̂ -> l+̂nu)] / [sigma(pp->W-̂ X) B(W-̂ -> l-̂ nu)] = 1.421 +/- 0.006 (stat.) +/- 0.014 (syst.) +/- 0.029 (th.). The measured values agree with next-to-next-to-leading order QCD cross section calculations based on recent parton distribution functions.
Author: Publisher: ISBN: Category : Languages : en Pages : 42
Book Description
A measurement of the W boson pair production cross section in proton-proton collisions at [arrow]"s = 8 TeV is presented. The data we collected with the CMS detector at the LHC correspond to an integrated luminosity of 19.4 fb-1 . The W+W- candidates are selected from events with two charged leptons, electrons or muons, and large missing transverse energy. The measured W+W- cross section is 60.1 " 0.9 (stat) " 3.2 (exp) " 3.1 (theo) " 1.6 (lumi) pb = 60.1 " 4.8 pb, consistent with the standard model prediction. The W+W-cross sections are also measured in two different fiducial phase space regions. The normalized differential cross section is measured as a function of kinematic variables of the final-state charged leptons and compared with several perturbative QCD predictions. Limits on anomalous gauge couplings associated with dimension-six operators are also given in the framework of an effective field theory. Finally, the corresponding 95% confidence level intervals are -5.7
Author: Publisher: ISBN: Category : Languages : en Pages : 120
Book Description
The Z+[gamma] cross-section x branching ratio in the electron channel has been measured using the inclusive Z data sample from the CDF '88-'89 collider run, for which the total integrated luminosity was 4.05 ± 0.28 pb-1.
Author: Publisher: ISBN: Category : Languages : en Pages : 31
Book Description
The top quark pair production cross section is measured in dilepton events with one electron or muon, and one hadronically decaying tau lepton from the decay t anti-t to (l nu(l)) (tau nu(tau)) b anti-b, where l can be either an electron or a muon. The data sample corresponds to an integrated luminosity of 2.0 inverse femtobarns for the electron channel and 2.2 inverse femtobarns for the muon channel, collected by the CMS detector at the LHC. This is the first measurement of the t anti-t cross section explicitly including tau leptons in proton-proton collisions at sqrt(s)=7 TeV. The measured value sigma(t anti-t) = 143 +/- 14 (stat.) +/- 22 (syst.) +/- 3 (lumi.) pb is consistent with the standard model predictions.
![W Cross Section Measurement in the Electron Channel in Pp Collisions at [the Square Root of Sigma] PDF](https://books.google.com/books/content/images/frontcover/xIt8uAAACAAJ?fife=w150-h200)
Author: Pieter Bruno Bart Everaerts![W Cross Section Measurement in the Electron Channel in Pp Collisions at [the Square Root of Sigma] PDF](https://books.google.com/books/content/images/frontcover/xIt8uAAACAAJ?fife=w80-h100)
Author: Pieter Bruno Bart Everaerts![Measurement of W and Z Boson Production Cross Sections in Proton-proton Collisions at [square Root] S PDF](https://books.google.com/books/content/images/frontcover/QLpjzgEACAAJ?fife=w80-h100)
Author: Stephanie Akemi Brandt
Author: ![Z[Z Boson + Photon] Cross-section Measurement, [sigma] * BR(Z[Z Boson + Photon]) in the Electron Channel for Pp̄ Collisions at [sqrt.]s PDF](https://books.google.com/books/content/images/frontcover/4-xRMQAACAAJ?fife=w80-h100)
Author: Mary Roach-Bellino
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Author: ![A Measurement of the Cross Section for W Production and Decay Into Electron and Neutrino in PP Collisions at [square Root]s PDF](https://books.google.com/books/content/images/frontcover/kZ6RPgAACAAJ?fife=w80-h100)
Author: Marshall Miller![Measurement of the Production Cross Section for W[boson+proton] in the Electron Channel in [sqrt.]s PDF](https://books.google.com/books/content/images/frontcover/lxeRMwAACAAJ?fife=w80-h100)
Author: Douglas P. Benjamin
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