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W and Z (plus Jets) Production and Asymmetries at 1.96-TeV.

W and Z (plus Jets) Production and Asymmetries at 1.96-TeV.
Author: Gavin Hesketh
Publisher:
Total Pages: 5
Release: 2006
Genre:
ISBN:

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This paper reviews the latest results from the Tevatron on W and Z physics, and their use as probes of QCD.


W/Z+ Jets Production at the Tevatron

W/Z+ Jets Production at the Tevatron
Author:
Publisher:
Total Pages:
Release: 2001
Genre:
ISBN:

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Both the D0 and CDF experiments at Fermilab Tevatron collider at[radical]s= 1.8 TeV have accumulated over 50pb[sup -1] of data. Each experiment collected more than 50,000 W[yields] l+v and 5000 Z[yields] l+[bar l] candidates for each lepton species (e and[mu]). Using this large data sample of W and Z candidates, the two experiments are actively testing perturbative QCD predictions. Among the studies that are in progress, preliminary results of W/Z+jets characteristics, multiplicity distributions of associated jets, and a study on the determination of the strong coupling constant using the ratio of the W+1 jet to W+ 0 jet cross sections are presented.


W/Z+ Jets and Z P_t Measurements at Tevatron

W/Z+ Jets and Z P_t Measurements at Tevatron
Author: Y. S. Chung
Publisher:
Total Pages: 5
Release: 2006
Genre:
ISBN:

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The authors present a measurement of W/Z boson + jets production and Z p{sub T} measurement in the p{bar p} collisions at the Tevatron Collider at {radical}s = 1.96 TeV. The CDF II measures W + jets production based on 320 pb{sup -1} and the D0 Run II measures Z + jets with 950 pb{sup -1} data. The measurement of Z p{sub T} is performed with D0 Run II data corresponding to an integrated luminosity of 960 pb{sup -1}. The measurement of W + jets is compared to the Leading Order Alpgen + Pythia prediction and the Z + jets is compared to Sherpa and Pythia Monte Carlo. The Z p{sub T} measurement is also compared to Resbos + Photos predictions.


Elastic And Diffractive Scattering - Proceedings Of The International Conference On Vth Blois Workshop

Elastic And Diffractive Scattering - Proceedings Of The International Conference On Vth Blois Workshop
Author: Kyungsik Kang
Publisher: World Scientific
Total Pages: 474
Release: 1994-02-04
Genre:
ISBN: 9814552313

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These proceedings contain descriptions of the latest experiments and results in a variety of hot topics, such as the growth of total cross sections, the ratio of real to imaginary parts of forward scattering amplitudes, etc. Current theories of particle interaction based on QCD were presented and confronted by the latest experimental results from FNAL, CERN, HERA and elsewhere. The theoretical situation seems less clear, or at least more open to argument and criticism, leveled by the different groups responsible and present at the workshop.


W, Z + Jets at Tevatron

W, Z + Jets at Tevatron
Author:
Publisher:
Total Pages:
Release: 2000
Genre:
ISBN:

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We report the production jet cross-sections and properties in W and Z events using data from collisions with [radical]s = 1800 GeV at Fermilab Tevatron. Observed distributions in general agree with predictions of leading order QCD matrix element calculations with added gluon radiations and simulated parton fragmentations; however, some limitations of LO QCD predictions are also observed. The cross-section ratio of W + [>=] 1 jet events to inclusive W events is reported and compared with next-to-the-leading order QCD expectations. Good agreement between data and theory is seen. The color coherence effects are also observed in W+ jets events.


High Energy Physics

High Energy Physics
Author:
Publisher: World Scientific
Total Pages: 81
Release: 1981
Genre:
ISBN: 981447651X

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Production of W and Z Bosons at the Tevatron

Production of W and Z Bosons at the Tevatron
Author:
Publisher:
Total Pages:
Release: 1999
Genre:
ISBN:

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We present recent results on measurements of the transverse momentum distribution of W and Z bosons, the angular distribution of electrons from W decays, and on color coherence effects in W+jets events from p{bar p} collisions at (square root)s = 1.8 TeV at the Fermilab Tevatron Collider. The data are compared to perturbative QCD calculations.