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Measurement Of The Mass And Width Of The Z Boson From Z Going To Positron Electron Decay In Antiproton Proton Collisions At Sqrts
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Book Synopsis Measurement of the Mass and Width of the Z Boson from Z Going to Positron-electron Decay in Antiproton-proton Collisions at Sqrt.s by : Hovhannes Keutelian
Download or read book Measurement of the Mass and Width of the Z Boson from Z Going to Positron-electron Decay in Antiproton-proton Collisions at Sqrt.s written by Hovhannes Keutelian and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: I report the results of an analysis to measure the mass and width of the Z gauge boson from Z $to$ e$sp{+}$e$sp{-}$ decays in pp collisions at $sqrt{s}$ = 1.8 TeV. The Z $to$ e$sp{+}$e$sp{-}$ data from the CDF detector yields a mass of the Z boson of M$sb{rm Z}$ = 90.78 $pm$ 0.40(stat.) $pm$ 0.38(syst.) $pm$ 0.2(scale) GeV/c$sp2$ and a width of $Gammasb{rm Z}$ = 2.8 $pm$ 1.0(stat.) $pm$ 0.5(syst.) GeV.
Book Synopsis Measurement of Z Boson Transverse Momentum in Proton - Anti-proton Collisions at S**1/2 by :
Download or read book Measurement of Z Boson Transverse Momentum in Proton - Anti-proton Collisions at S**1/2 written by and published by . This book was released on 2007 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation describes a measurement of the shape of the boson transverse momentum distribution in p{bar p} 2!Z/[gamma]* 2!ee− + X events at a center-of-mass energy of 1.96 TeV. The measurement is made for events with electron-positron mass between 70
Book Synopsis Measurement of Z Boson Transverse Momentum in Proton-antiproton Collisions at Sqrt(s) by :
Download or read book Measurement of Z Boson Transverse Momentum in Proton-antiproton Collisions at Sqrt(s) written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Mass and Width of the Z Boson from Z[right Arrow] E+̳e-̳ Decay in P̳P Collisions at [square Root]s by : Hovhannes Keutelian
Download or read book Measurement of the Mass and Width of the Z Boson from Z[right Arrow] E+̳e-̳ Decay in P̳P Collisions at [square Root]s written by Hovhannes Keutelian and published by . This book was released on 1990 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Forward-backward Asymmetry of Z Boson Decays in Electron-positron Pairs with the ATLAS Detector in Proton-proton Collisions at Root Out √s by : Sebastian König
Download or read book Measurement of the Forward-backward Asymmetry of Z Boson Decays in Electron-positron Pairs with the ATLAS Detector in Proton-proton Collisions at Root Out √s written by Sebastian König and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Measurement of Z Boson Production and Rapidity Distribution in Proton-antiproton Collisions at [square Root of S] by : Aidan Robson
Download or read book A Measurement of Z Boson Production and Rapidity Distribution in Proton-antiproton Collisions at [square Root of S] written by Aidan Robson and published by . This book was released on 2004 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Production Cross-section of the Z Boson and Determination of Its Spin with the ATLAS Detector by : Shalu Solomon
Download or read book Measurement of the Production Cross-section of the Z Boson and Determination of Its Spin with the ATLAS Detector written by Shalu Solomon and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "This thesis presents the results of two measurements of the Z boson, one of the mediators of the electroweak force in the Standard Model of particle physics. The first is the measurement of the total and the differential production cross-sections of the Z boson, and the second is the determination of the spin of the particle. The measurements are made with the 6.1 fb-1 proton-proton collision data collected by the ATLAS detector in 2016 at a center of mass energy of 13 TeV with the Large Hadron Collider. The leptonic decay of the Z boson into an electron-positron pair is the channel examined. The measurements are compared with the theoretical predictions at next-to-leading order for a quantitative and a precise understanding of the process. The observed results agree with the Standard Model expectations within uncertainties. The total cross-section of Z production in the di-electron channel is measured to be 1.878 ± 0.02 (stat)_(−0.052)^(+0.045) (syst) ± 0.042 (lumi) nb and the differential cross-sections as functions of the transverse momentum and the rapidity of the Z particle match with the predictions. The angular distribution of the electrons confirms the spin 1 nature of the Z boson, also in accordance with the Standard Model." --
Book Synopsis A Measurement of the W Boson Mass in Proton-antiproton Collisions at a Center of Mass Energy of 1.8 TeV by : Eric Michael Flattum
Download or read book A Measurement of the W Boson Mass in Proton-antiproton Collisions at a Center of Mass Energy of 1.8 TeV written by Eric Michael Flattum and published by . This book was released on 1996 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Z --] [tau] [tau] Production Cross-section in Proton-proton Collisions at [square Root Of] S by : Justin Griffiths
Download or read book Measurement of the Z --] [tau] [tau] Production Cross-section in Proton-proton Collisions at [square Root Of] S written by Justin Griffiths and published by . This book was released on 2012 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Measurement of W and Z Boson Production Cross Sections in Proton-proton Collisions at [square Root] S by : Stephanie Akemi Brandt
Download or read book Measurement of W and Z Boson Production Cross Sections in Proton-proton Collisions at [square Root] S written by Stephanie Akemi Brandt and published by . This book was released on 2020 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Measurement of the Forward-backward Asymmetry of Z Boson Decays in Electron-positron Pairs with the ATLAS Detector in Proton-proton Collisions at Root Out S by : Sebastian König
Download or read book Measurement of the Forward-backward Asymmetry of Z Boson Decays in Electron-positron Pairs with the ATLAS Detector in Proton-proton Collisions at Root Out S written by Sebastian König and published by . This book was released on 2014 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the $ZZ$ Production Cross Section in $pp$ Collisions at $\sqrt{s}$ by :
Download or read book Measurement of the $ZZ$ Production Cross Section in $pp$ Collisions at $\sqrt{s}$ written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The ZZ production cross section in proton-proton collisions at 13 TeV center-of-mass energy is measured using 3.2 fb–1 of data recorded with the ATLAS detector at the Large Hadron Collider. The considered Z boson candidates decay to an electron or muon pair of mass 66–116 GeV. The cross section is measured in a fiducial phase space reflecting the detector acceptance. It is also extrapolated to a total phase space for Z bosons in the same mass range and of all decay modes, giving 16.7+2.2–2.0(stat)+0.9–0.7(syst)+1.0–0.7(lumi) pb. Lastly, the results agree with standard model predictions.
Book Synopsis Measurement of Z Boson Transverse Momentum in Proton - Anti-proton Collisions at {u221A}s by :
Download or read book Measurement of Z Boson Transverse Momentum in Proton - Anti-proton Collisions at {u221A}s written by and published by . This book was released on 2007 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation describes a measurement of the shape of the boson transverse momentum distribution in p$ar{p}$ → Z/?* → e+e- + X events at a center-of-mass energy of 1.96 TeV. The measurement is made for events with electron-positron mass between 70 Msubee/sub 110 GeV/csup2/sup and uses 976 pb
Book Synopsis Measurement of the Boson Z Differential Cross-section in Transverse Momentum in the Electron-positron Channel with the ATLAS Detector at LHC by : Homero Martinez
Download or read book Measurement of the Boson Z Differential Cross-section in Transverse Momentum in the Electron-positron Channel with the ATLAS Detector at LHC written by Homero Martinez and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Direct Measurement of the W Boson Decay Width in Proton-antiproton Collisions at Sqrt(s) by :
Download or read book Direct Measurement of the W Boson Decay Width in Proton-antiproton Collisions at Sqrt(s) written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Measurement of Z Boson Production and Rapidity Distribution in Proton-Antiproton Collisions at {u221A}s by :
Download or read book A Measurement of Z Boson Production and Rapidity Distribution in Proton-Antiproton Collisions at {u221A}s written by and published by . This book was released on 2004 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-precision measurements are made of Z boson production in proton-antiproton collisions at √s = 1.96 TeV recorded by the Collider Detector at Fermilab, using the electron decay channel. The cross-section times branching ratio is measured to be ?Z · Br(Z → e+e-) = (255.7 ± 2.4stat ± 5.2sys ± 15.2lum)pb in a dataset of 194 pb-1 collected between March 2002 and June 2003. This agrees well with theoretical predictions. The cross-section for W boson production in the electron channel has also been measured in the subset of this dataset of 72 pb-1 collected up until January 2003. Using this smaller dataset the ratio of cross-sections is determined to be R ≡ ?W · Br(W → e?)/?Z · Br(Z → ee) = 10.82 ± 0.18stat ± 0.16sys. Combining these results with measurements made in the muon channel gives R = 10.92 ± 0.15stat ± 0.14sys (e + ? channels), from which the branching ratio of the W to electrons and muons, and the total width of the W, have been extracted: Br(W → l?) = 0.1089 ± 0.0022 (l = e,?); ?(W) = 2078.8 ± 41.4 MeV, which are in good agreement with the Standard Model values and with other measurements. The CKM quark mixing matrix element.
Book Synopsis Measurement of the [math Display by :
Download or read book Measurement of the [math Display written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The ZZ production cross section in proton-proton collisions at 13 TeV center-of-mass energy is measured using 3.2 fb-1 of data recorded with the ATLAS detector at the Large Hadron Collider. The considered Z boson candidates decay to an electron or muon pair of mass 66-116 GeV. The cross section is measured in a fiducial phase space reflecting the detector acceptance. It is also extrapolated to a total phase space for Z bosons in the same mass range and of all decay modes, giving 16.7+2.2-2.0(stat)+0.9-0.7(syst)+1.0-0.7(lumi) pb. Lastly, the results agree with standard model predictions.
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