Measurement Of The W Boson Polarisation In T Bar T Dilepton Events At Sqrt S
DOWNLOAD
Download Measurement Of The W Boson Polarisation In T Bar T Dilepton Events At Sqrt S PDF/ePub or read online books in Mobi eBooks. Click Download or Read Online button to get Measurement Of The W Boson Polarisation In T Bar T Dilepton Events At Sqrt S book now. This website allows unlimited access to, at the time of writing, more than 1.5 million titles, including hundreds of thousands of titles in various foreign languages. If the content not found or just blank you must refresh this page
Measurement Of The W Boson Polarisation In T Bar T Dilepton Events At Sqrt S
DOWNLOAD
Author : Gvantsa Mchedlidze
language : en
Publisher:
Release Date : 2018
Measurement Of The W Boson Polarisation In T Bar T Dilepton Events At Sqrt S written by Gvantsa Mchedlidze and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
A measurement of the $W$ boson polarisation in top quark decays is presented. The top anti-top pairs were produced at a centre of mass energy of $\sqrt{s}=8$ \tev \ using proton-proton collisions at the LHC. The data sample corresponds to an integrated luminosity of$\int{\mathcal{L}dt}=20.2$ fb$^{-1}$ recorded by the ATLAS detector in 2012. The measurement was performed in the dilepton channel, which is characterised by two leptons (electron or muon) with opposite electric charge, missing transverse energy from two neutrinos, and at least two jets. One of these jets is required to be tagged ...
Measurement Of The W Boson Polarisation In T Bar T Dilepton Events At Sqrt S
DOWNLOAD
Author : Gvantsa Mchedlidze
language : en
Publisher:
Release Date : 2019
Measurement Of The W Boson Polarisation In T Bar T Dilepton Events At Sqrt S written by Gvantsa Mchedlidze and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
A measurement of the $W$ boson polarisation in top quark decays is presented. The top anti-top pairs were produced at a centre of mass energy of $\sqrt{s}=8$ \tev \ using proton-proton collisions at the LHC. The data sample corresponds to an integrated luminosity of$\int{\mathcal{L}dt}=20.2$ fb$^{-1}$ recorded by the ATLAS detector in 2012. The measurement was performed in the dilepton channel, which is characterised by two leptons (electron or muon) with opposite electric charge, missing transverse energy from two neutrinos, and at least two jets. One of these jets is required to be tagged...
Scientific And Technical Aerospace Reports
DOWNLOAD
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.
Government Reports Announcements Index
DOWNLOAD
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.
Inis Atomindex
DOWNLOAD
Author :
language : en
Publisher:
Release Date : 1983
Inis Atomindex written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Nuclear energy categories.
W Boson Polarization Measurement In The T Bar T Dilepton Channel Using The Cdf Ii Detector
DOWNLOAD
Author :
language : en
Publisher:
Release Date : 2012
W Boson Polarization Measurement In The T Bar T Dilepton Channel Using The Cdf Ii Detector written by 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.
We present a measurement of W boson polarization in top-quark decays in t{bar t} events with decays to dilepton final states using 5.1 fb−1 integrated luminosity in p{bar p} collisions collected by the CDF II detector at the Tevatron. A simultaneous measurement of the fractions of longitudinal (f0) and right-handed (f+) W bosons yields the results f0 = 0.71{sub -0.17}{sup +0.18}(stat) ± 0.06(syst) and f+ = -0.07 ± 0.09(stat) ± 0.03(syst). Combining this measurement with our previous result based on single lepton final states, we obtain f0 = 0.84 ± 0.09(stat) ± 0.05(syst) and f+ = -0.16 ± 0.05(stat) ± 0.04(syst). The results are consistent with standard model expectation.
Measurement Of W Boson Polarization In Top Quark Decay
DOWNLOAD
Author :
language : en
Publisher:
Release Date : 2005
Measurement Of W Boson Polarization In Top Quark Decay written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
A measurement of the polarization of the W boson from top quark decay is an excellent test of the V-A form of the charged-current weak interaction in the standard model. Since the longitudinal W boson is intimately related to the electroweak symmetry breaking mechanism, and the standard model gives a specific prediction for the fraction of longitudinal W bosons from top decays, it is of particular interest for study. This thesis presents a measurement of W boson polarization in top quark decay through an analysis of the cos [theta]* distribution in the lepton-plus-jets channel of t[bar t] candidate events from p[bar p] collisions at [radical]s = 1.96 TeV. This measurement uses an integrated luminosity of [approx]162 pb[sup -1] of data collected with the CDF Run II detector, resulting in 31 t[bar t] candidate events with at least one identified b jet. Using a binned likelihood fit to the cos [theta]* distribution from the t[bar t] candidate events found in this sample, the fraction of W bosons with longitudinal polarization is determined to be F[sub 0] = 0.99[sub -0.35][sup +0.29](stat.) [+-] 0.19(syst.), F[sub 0]> 0.33 [at] 95% CL. This result is consistent with the standard model prediction, given a top quark mass of 174.3 GeV/c[sup 2], of F[sub 0] = 0.701 [+-] 0.012.
Measurement Of The Top Pair Production Cross Section And The W Boson Polarization In Top Dilepton Decay In Ppbar Collisions At Sqrt S
DOWNLOAD
Author :
language : en
Publisher:
Release Date : 2011
Measurement Of The Top Pair Production Cross Section And The W Boson Polarization In Top Dilepton Decay In Ppbar 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 2011 with categories.
Measurement Of W Boson Polarization In Top Quark Decay
DOWNLOAD
Author : Trevor Neil Vickey
language : en
Publisher:
Release Date : 2004
Measurement Of W Boson Polarization In Top Quark Decay written by Trevor Neil Vickey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Measurement Of W Boson Polarization In Top Quark Decay In Ppbar Collisions At Sqrt S
DOWNLOAD
Author :
language : en
Publisher:
Release Date : 2010
Measurement Of W Boson Polarization In Top Quark Decay In Ppbar 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 2010 with categories.
We report measurements of the polarization of W bosons from top-quark decays using 2.7 fb−1 of p{bar p} collisions collected by the CDF II detector. Assuming a top-quark mass of 175 GeV/c2, three measurements are performed. A simultaneous measurement of the fraction of longitudinal (f0) and right-handed (f+) W bosons yields the model-independent results f0 = 0.88 ± 0.11(stat) ± 0.06(syst) and f+ = -0.15 ± 0.07(stat) ± 0.06(syst) with a correlation coefficient of -0.59. A measurement of f0 (f+) constraining f+ (f0) to its standard model value of 0.0 (0.7) yields f0 = 0.70 ± 0.07(stat) ± 0.04(syst) (f+ = 0.01 ± 0.02(stat) ± 0.05(syst)). All these results are consistent with standard model expectations.