Measurement Of The Zz Production Cross Section And Limits On Anomalous Triple Gauge Couplings At S
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Author | : Rachel Hinman |
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Total Pages | : 51 |
Release | : 2012 |
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Download Measurement of the ZZ Production Cross Section and Limits on Anomalous Triple Gauge Couplings at √s Book in PDF, Epub and Kindle
Author | : |
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Total Pages | : 23 |
Release | : 2014 |
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Download Measurement of the Pp {u2192} ZZ Production Cross Section and Constraints on Anomalous Triple Gauge Couplings in Four-lepton Final States at {u221A}s Book in PDF, Epub and Kindle
A measurement of the inclusive ZZ production cross section and constraints on anomalous triple gauge couplings in proton–proton collisions at √s = 8 TeV are presented. The analysis is based on a data sample, corresponding to an integrated luminosity of 19.6 fb−1, collected with the CMS experiment at the LHC. The measurements are performed in the leptonic decay modes ZZ → lll'l', where l = e,? and l' = e,?,?. The measured total cross section ?(pp → ZZ) = 7.7 ± 0.5 (stat)-0.4+0.5 (syst) ± 0.4 (theo) ± 0.2 (lumi) pb, for both Z bosons produced in the mass range 60 msubZ/sub 120 GeV, is consistent with standard model predictions. Differential cross sections are measured and well described by the theoretical predictions. As a result, the invariant mass distribution of the four-lepton system is used to set limits on anomalous ZZZ and ZZ? couplings at the 95% confidence level: –0.004 fsub4/subsupZ/sup 0.004, –0.004 fsub5/subsupZ/sup 0.004, –0.005 fsub4
Author | : Nicholas Charles Edwards |
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Total Pages | : 251 |
Release | : 2013 |
Genre | : Colliders (Nuclear physics) |
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Download Measurement of the ZZ Production Cross Section and Limits on Anomalous Neutral Triple Gauge Couplings with the ATLAS Detector Book in PDF, Epub and Kindle
Author | : Deywis Moreno-Lopez |
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Total Pages | : 0 |
Release | : 2014 |
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Download Measurement of the ZZ Production Cross Section and Limits to the Anomalous Triple Gauge Couplings with Forward Electrons with the ATLAS Detector Book in PDF, Epub and Kindle
Author | : Albert M. Sirunyan |
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Total Pages | : |
Release | : 2020 |
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Download Measurements of Pp→ZZ Production Cross Sections and Constraints on Anomalous Triple Gauge Couplings at √s Book in PDF, Epub and Kindle
Author | : Usama Hussain |
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Total Pages | : 219 |
Release | : 2020 |
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Download Measurements of ZZ Production Cross Section Using Four-lepton Events and Constraints on Anomalous Triple Gauge Couplings at [squareroot]s Book in PDF, Epub and Kindle
Studies of four-lepton production in proton-proton collisions, pp → (Z/[gamma]*)(Z/[gamma]*)→ 4l, where l = e or [mu], using data collected during 2016-2018 (Run II) are presented. The dataset corresponds to an integrated luminosity of 137 fb^(−1) at a center-of-mass energy of 13 TeV, collected by the CMS detector at the LHC. All reported measurements use the 2l2l' final states, where l,l' = e or [mu]. The total ZZ cross section for all events with two Z bosons in the mass range 60-120 GeV is measured and found to be [sigma](pp → ZZ) = 17.2 ± 0.3 (stat) ± 0.5 (syst) ± 0.4 (theo) ± 0.3 (lumi) pb. Differentialcross sections are measured as functions of a number of kinematic observables. Allthese results agree with standard model predictions. Searches for anomalous triplegauge couplings are performed, and the four-lepton invariant mass distributions areused to set the most stringent limits to date on a number of parameters affectingneutral gauge boson interactionsl
Author | : Maurice Becker |
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Total Pages | : |
Release | : 2017 |
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Download Measurement of ZZ Production and Search for Anomalous Neutral Triple Gauge Couplings in Pp Collisions at [square Root]s Book in PDF, Epub and Kindle
Author | : Maurice Becker |
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Total Pages | : 0 |
Release | : 2017 |
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Download Measurement of ZZ Production and Search for Anomalous Neutral Triple Gauge Couplings in Pp Collisions at [square Root]s Book in PDF, Epub and Kindle
Author | : |
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Total Pages | : 328 |
Release | : 2012 |
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Download A Measurement of the Z Gamma Cross Section and Limits on Anomalous Triple Gauge Couplings at Square Root of S Book in PDF, Epub and Kindle
A study of the properties of the Z$\gamma$ diboson system is presented using 5.0 fb$^{-1}$ of proton-proton collision data from the LHC using the CMS detector. The pp $\rightarrow Z(\rightarrow\mu \mu) \gamma$ and pp $\rightarrow Z(\rightarrow e e) \gamma$ production cross sections are measured within the fiducial volume of CMS with a combined measurement of $\sigma_{\ell\ell\gamma} = 5.33 \pm 0.08 ~\text{(stat.)} \pm 0.25 ~\text{(syst.)} \pm 0.12 ~\text{(lumi.)}$ pb that is in good agreement with Standard Model predictions. Upper limits on the neutral anomalous triple gauge couplings set are the most stringent limits on these couplings to date, with allowed regions: $-0.010
Author | : Steven Kaneti |
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Total Pages | : |
Release | : 2015 |
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Download A Measurement of the ZZ --> L−l+ Vv̄ Cross Section at 8 TeV and Limits on Anomalous Neutral Triple Gauge Couplings with the ATLAS Detector Book in PDF, Epub and Kindle