Measurements Of Zz Production Cross Section Using Four Lepton Events And Constraints On Anomalous Triple Gauge Couplings At Squareroot S
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Measurements Of Zz Production Cross Section Using Four Lepton Events And Constraints On Anomalous Triple Gauge Couplings At Squareroot S
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Author : Usama Hussain
language : en
Publisher:
Release Date : 2020
Measurements Of Zz Production Cross Section Using Four Lepton Events And Constraints On Anomalous Triple Gauge Couplings At Squareroot S written by Usama Hussain and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
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
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
Measurement Of The Pp U2192 Zz Production Cross Section And Constraints On Anomalous Triple Gauge Couplings In Four Lepton Final States At U221a S
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Author :
language : en
Publisher:
Release Date : 2014
Measurement Of The Pp U2192 Zz Production Cross Section And Constraints On Anomalous Triple Gauge Couplings In Four Lepton Final States At U221a S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
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
Measurement Of The Pp 2 Zz Production Cross Section And Constraints On Anomalous Triple Gauge Couplings In Four Lepton Final States At Arrow
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Author :
language : en
Publisher:
Release Date : 2014
Measurement Of The Pp 2 Zz Production Cross Section And Constraints On Anomalous Triple Gauge Couplings In Four Lepton Final States At Arrow written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
A measurement of the inclusive ZZ production cross section and constraints on anomalous triple gauge couplings in proton-proton collisions at [arrow]" = 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 2!lll'l', where l = e, [mu] and l' = e, [mu], [tau]. The measured total cross section [sigma](pp 2!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
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1992
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Science categories.
Government Reports Annual Index
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Author :
language : en
Publisher:
Release Date : 1985
Government Reports Annual Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Research categories.
Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Measurement Of The Zz Production Cross Section And Limits On Anomalous Neutral Triple Gauge Couplings With The Atlas Detector
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Author : Nicholas Charles Edwards
language : en
Publisher:
Release Date : 2013
Measurement Of The Zz Production Cross Section And Limits On Anomalous Neutral Triple Gauge Couplings With The Atlas Detector written by Nicholas Charles Edwards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Colliders (Nuclear physics) categories.
Measurements Of The Zz Production Cross Sections In The 2 Ell2 Nu Channel In Proton Proton Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2015
Measurements Of The Zz Production Cross Sections In The 2 Ell2 Nu Channel In Proton Proton Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Measurements of the ZZ production cross sections in proton-proton collisions at center-of-mass energies of 7 and 8 TeV are presented. We found that candidate events for the leptonic decay mode ZZ 2!2l2[nu], where l denotes an electron or a muon, are reconstructed and selected from data corresponding to an integrated luminosity of 5.1 (19.6)fb-1 at 7 (8) TeV collected with the CMS experiment. The measured cross sections, [sigma](pp 2!ZZ)=5.1+1.5-1.4(stat)+1.4-1.1(syst)"0.1(lumi)pb at 7 TeV, and 7.2+0.8-0.8(stat)+1.9-1.5(syst)"0.2(lumi)pb at 8 TeV, are in good agreement with the standard model predictions with next-to-leading-order accuracy. Furthermore, the selected data are analyzed to search for anomalous triple gauge couplings involving the ZZ final state. In the absence of any deviation from the standard model predictions, limits are set on the relevant parameters. As a result, these limits are then combined with the previously published CMS results for ZZ in 4l final states, yielding the most stringent constraints on the anomalous couplings.
Measurement Of The Zz Production Cross Section And Limits On Anomalous Triple Gauge Couplings At S
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Author : Rachel Hinman
language : en
Publisher:
Release Date : 2012
Measurement Of The Zz Production Cross Section And Limits On Anomalous Triple Gauge Couplings At S written by Rachel Hinman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Measurements Of Pp Zz Production Cross Sections And Constraints On Anomalous Triple Gauge Couplings At S
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Author : Albert M. Sirunyan
language : en
Publisher:
Release Date : 2020
Measurements Of Pp Zz Production Cross Sections And Constraints On Anomalous Triple Gauge Couplings At S written by Albert M. Sirunyan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.