Lepton Charge Asymmetry From W Decay And Search For New Gauge Bosons At
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| Total Pages | : 10 |
| Release | : 1994 |
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A measurement is described of the charge asymmetry in the pseudorapidity distribution of muons from W boson decay in proton- antiproton collisions at (square root)s = 1.8 TeV using the D0 detector. We also report on a search for extra gauge bosons in the electron decay channel. Mass limits of M{sub W}(prime)> 600 GeV and M{sub Z}(prime)> 440 GeV are obtained at 95% confidence level under the assumption of standard model couplings.
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| Total Pages | : 28 |
| Release | : 2011 |
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The ATLAS detector at the LHC is used to search for heavy charged gauge bosons (W'), decaying to a charged lepton (electron or muon) and a neutrino. Results are presented based on the analysis of pp collisions at a center-of-mass energy of 7 TeV corresponding to an integrated luminosity of 1.04 fb−1. No excess beyond Standard Model expectations is observed. A W' with Sequential Standard Model couplings is excluded at the 95% confidence level for masses up to 2.15 TeV.
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| Total Pages | : 782 |
| Release | : 1995 |
| Genre | : Power resources |
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| Release | : 2001 |
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The charge asymmetry of W-bosons produced in p[bar p] collisions has been measured using 19 039 W[yields] e[nu] and W[yields][mu][nu] decays recorded by the CDF detector during the 1992--93 Tevatron collider run. The asymmetry is sensitive to the slope of the proton's d/u quark distribution ratio down to x
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| Total Pages | : 702 |
| Release | : 1995 |
| Genre | : Aeronautics |
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| Author | : K. Kondo |
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| Total Pages | : 494 |
| Release | : 1994 |
| Genre | : Science |
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| Release | : 2015 |
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We discuss W boson and lepton charge asymmetry measurements from W decays in the electron channel, which were made using 9.7 fb$^{-1}$ of RunII data collected by the D0 detector at the Fermilab Tevatron Collider. The electron charge asymmetry is presented as a function of pseudo-rapidity out to.
| Author | : Sachie Yamada |
| Publisher | : World Scientific |
| Total Pages | : 490 |
| Release | : 1995-04-26 |
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| ISBN | : 9814549452 |
Recent results from all types of high energy colliders (e⁺e⁻, pp, ep) are presented from the view point of electroweak interaction and QCD/Jet physics together with related phenomenological reviews. Expected physics at future colliders, both being built or planned, are also discussed including e+e- linear collider, pp collider and heavy ion collider.
| Author | : Samuel Robert Whitehead |
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| Total Pages | : |
| Release | : 2011 |
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Uncertainties on the parton distribution functions (PDFs), in particular those of the valence quarks, can be constrained at LHC energies using the charge asymmetry in the production of W± bosons. This thesis presents a measurement of the electron channel, lepton charge asymmetry using 497 pb-1 of data recorded with the ATLAS detector in 2011. The measurement is included in PDF fits using the machinery of HERAPDF and is found to have some constraining power beyond that of existing W charge asymmetry measurements.
| Author | : P. Langacker |
| Publisher | : World Scientific |
| Total Pages | : 680 |
| Release | : 2000 |
| Genre | : Science |
| ISBN | : 9789810238872 |
Neutrinos are the central thread in the study of many aspects of particle physics and astrophysics. Neutrino interactions test the standard electroweak theory and its TeV scale extensions, and examine the structure of the nucleon and of the CKM matrix. Searches for neutrino mass and other intrinsic properties probe new physics at very short distance scales. The weak interactions of neutrinos imply for them a unique role in studying the early universe, the core of the Sun, type II supernovae, and active galactic nuclei, and suggest the possibility of small neutrino masses contributing to the missing matter in the Universe, especially on very large distance scales.
