A Measurement Of W Z Production In Proton Proton Collisions At Sqrts PDF Download
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| Release | : 2016 |
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Download Measurement of the $WZ$ Production Cross Section in $pp$ Collisions at $\sqrt{s} Book in PDF, ePub and Kindle
The WZ production cross section in proton-proton collisions at sqrt(s) = 13 TeV is measured with the CMS experiment at the LHC using a data sample corresponding to an integrated luminosity of 2.3 inverse femtobarns. The measurement is performed in the leptonic decay modes WZ to l nu l' l', where l, l'= e, mu. The measured cross section for the range 60
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| Total Pages | : 22 |
| Release | : 2014 |
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Download Measurement of WZ and ZZ Production in Pp Collisions at $\sqrt{s} Book in PDF, ePub and Kindle
Measurements are reported of the WZ and ZZ production cross sections in proton-proton collisions at $\sqrt{s}$ = 8 TeV in final states where one Z boson decays to b-tagged jets. The other gauge boson, either W or Z, is detected through its leptonic decay (either $W \to e\nu, \mu\nu$ or $Z \to e^+ e^-, \mu^+ \mu^-$, or $\nu\bar{\nu})$. The results are based on data corresponding to an integrated luminosity of 18.9 inverse-femtobarns collected with the CMS detector at the Large Hadron Collider. The measured cross sections, $\sigma(pp \to WZ)$ = 30.7 $\pm$ 9.3 (stat.) $\pm$ 7.1 (syst.) $\pm$ 4.1 (th.) $\pm$ 1.0 (lum.) pb and $\sigma(pp \to ZZ)$ = 6.5 $\pm$ 1.7 (stat.) $\pm$ 1.0 (syst.) $\pm$ 0.9 (th.) $\pm$ 0.2 (lum.) pb, are consistent with next-to-leading order quantum chromodynamics calculations.
| Author | : Stephen Cole (Physicist) |
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| Total Pages | : 189 |
| Release | : 2015 |
| Genre | : Collisions (Nuclear physics) |
| ISBN | : 9781321814002 |
Download A Measurement of W+/-Z Production in Proton-proton Collisions at Sqrt(s) Book in PDF, ePub and Kindle
This dissertation presents measurements of W+/-Z production in ATLAS data collected in 2011 for pp collisions at a center-of-mass energy of 7 TeV and the combination of ATLAS and CMS data for the extraction of ZZ anomalous triple gauge coupling 95% confidence intervals. Confidence intervals for anomalous triple gauge boson couplings are derived using the transverse momentum distribution of Z bosons. These values agree well with the standard model expectation. The extraction of ZZ anomalous triple gauge coupling 95% confidence intervals used 4.6 fb-1 of 7 TeV data recorded by ATLAS and 5.0 fb-1 of 7 TeV data recorded by CMS. This is the first combined measurement of the ZZ anomalous triple gauge couplings between ATLAS and CMS. (Abstract shortened by UMI.).
| Author | : Laura Elizabeth Jeanty |
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| Release | : 2013 |
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Download Measurement of the WZ Production Cross Section in Proton-proton Collision at √s Book in PDF, ePub and Kindle
In this dissertation, we present a study of WZ production in proton-proton
| Author | : Jeremy S. Werner |
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| Total Pages | : 392 |
| Release | : 2011 |
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Download Measurement of the Inclusive Z->ee Production Cross Section in Proton-proton Collisions at Sqrt(s) Book in PDF, ePub and Kindle
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| Total Pages | : 32 |
| Release | : 2011 |
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Download Measurement of W-gamma and Z-gamma Production in Pp Collisions at Sqrt(s) Book in PDF, ePub and Kindle
A measurement of W-gamma and Z-gamma production in proton-proton collisions at sqrt(s) = 7 TeV is presented. Results are based on a data sample recorded by the CMS experiment at the LHC, corresponding to an integrated luminosity of 36 inverse picobarns. The electron and muon decay channels of the W and Z are used. The total cross sections are measured for photon transverse energy>10 GeV and spatial separation from charged leptons in the plane of pseudorapidity and azimuthal angle>0.7, and with an additional dilepton invariant mass requirement of> 50 GeV for the Z-gamma process. The following cross section times branching fraction values are found: sigma(pp to W-gamma+X) B(W to lepton neutrino) = 56.3 +/- 5.0 (stat.) +/- 5.0 (syst.) +/- 2.3 (lumi.) pb and sigma(pp to Z-gamma+X) B}(Z to lepton lepton) = 9.4 +/- 1.0 (stat.) +/- 0.6 (syst.) +/- 0.4 (lumi.) pb. These measurements are in agreement with standard model predictions. The first limits on anomalous WW gamma, ZZ gamma, and Z gamma gamma trilinear gauge couplings at sqrt(s) = 7 TeV are set.
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| Release | : 2011 |
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Download Measurement of the Inclusive Upsilon Production Cross Section in Pp Collisions at Sqrt(s) Book in PDF, ePub and Kindle
The Upsilon production cross section in proton-proton collisions at sqrt(s) = 7 TeV is measured using a data sample collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 3.1 +/- 0.3 inverse picobarns. Integrated over the rapidity range.
| Author | : Natalie Heracleous |
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| Release | : 2013 |
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Download Measurement of the Associated Z Boson and B-jet Production in Proton-proton Collisions at $sqrts}$ Book in PDF, ePub and Kindle
| Author | : Justin Griffiths |
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| Total Pages | : 137 |
| Release | : 2012 |
| Genre | : Large Hadron Collider (France and Switzerland) |
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Download Measurement of the Z --] [tau] [tau] Production Cross-section in Proton-proton Collisions at [square Root Of] S Book in PDF, ePub and Kindle
The first measurement of the inclusive cross-section of the Z boson decaying to two tau leptons was measured with the ATLAS detector at the LHC. The data sample in this analysis represents an integrated luminosity of 35 pb ̄1 of proton-proton collisions at a center of mass energy of sqrt(s)=7 TeV. Separate measurements were performed in four decay modes based on how the two tau leptons decay: to hadrons and an electron, to hadrons and a muon, to an electron and a muon, and to two muons. In all four final states, inclusive cross-section measurements were made both in the fiducial region of the ATLAS detector where acceptance is high and in the full phase space, restricted to the mass range of [66, 116] GeV. The measurements from the four individual channels were then combined to yield the combined Z --> [tau] [tau] cross-section of 970 ± 70 (stat.) ± 60 (sys.) ± 30 (lumi.) pb.
| Author | : Baishali Dutta |
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| Release | : 2018 |
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Download Measurement of W+W− Production Cross Section in Proton-proton Collisions at √s Book in PDF, ePub and Kindle
