A Measurement of the Ration of W + 1 Jet to W + 0 Jets Cross Sections and Comparisons to QCD.
A Measurement of the Ration of W + 1 Jet to W + 0 Jets Cross Sections and Comparisons to QCD.

Author:

Publisher:

Published: 1996

Total Pages: 2

ISBN-13:

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A preliminary measurement of the ratio, R1°, of the production cross sections for W + 1 Jet and W + 0 Jets processes at a center of mass energy, √s, of 1800 GeV by the D0 Collaboration is presented. A comparison of this ratio is made to next-to-leading- order, NLO, calculations and the implications of these comparisons, especially for the extraction of a value for the strong coupling constant?{sub s}(M {sub W}2), are discussed. 8 refs., 2 figs.

A Measurement of the Ratio of W + 1 Jet to W + 0 Jets Cross Sections and Comparisons to QCD.
A Measurement of the Ratio of W + 1 Jet to W + 0 Jets Cross Sections and Comparisons to QCD.

Author:

Publisher:

Published: 1996

Total Pages: 17

ISBN-13:

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A preliminary measurement of the ratio, R1°, of the production cross sections for W + 1 Jet and W + 0 Jets processes at √s = 1,800 GeV by the D0 Collaboration is presented. A comparison of this ratio is made to next-to-leading order calculations and the implications of these comparisons, especially for the extraction of a value for the strong coupling constant [alpha]{sub s}(M{sub W}2), are discussed.

A Measurement of the Ratio of Production Cross Sections for W+1 Jet to W+0 Jets at [square Root of S]
A Measurement of the Ratio of Production Cross Sections for W+1 Jet to W+0 Jets at [square Root of S]

Author: Tacy Marie Joffe-Minor

Publisher:

Published: 1997

Total Pages:

ISBN-13:

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The QCD corrections to W production associated with a jet are studied using the ratio of W + 1 Jet to W + 0 Jets cross sections for a jet with a transverse energy of 25 GeV. The measured ratio of $0.096\pm0.005\sp{stat}\pm0.008\sp{syst}$ is significantly higher than the theoretical predictions of Giele et al. of 0.053. This discrepancy is at least partly due to the relatively unconstrained gluon distribution of the proton.

Hadron Collider Physics - Proceedings Of The Xi Symposium
Hadron Collider Physics - Proceedings Of The Xi Symposium

Author: D Bisello

Publisher: World Scientific

Published: 1997-06-01

Total Pages: 814

ISBN-13: 9814547026

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The proceedings of this series of annual symposia represent an extensive summary of the experimental and theoretical status of high energy physics at hadron colliders. This volume discusses the latest results on top and beauty physics, QCD, electroweak physics and searches for new particles. The prospects of this field for LHC, Tevatron and Hera machines are also reported.

High Energy Physics 99 Proceedings of the International Europhysics Conference on High Energy Physics, Tampere, Finland, 15-21 July 1999
High Energy Physics 99 Proceedings of the International Europhysics Conference on High Energy Physics, Tampere, Finland, 15-21 July 1999

Author: K Huitu

Publisher: CRC Press

Published: 2000-01-01

Total Pages: 1112

ISBN-13: 9780750306614

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High Energy Physics 99 contains the 18 invited plenary presentations and 250 contributions to parallel sessions presented at the International Europhysics Conference on High Energy Physics. The book provides a comprehensive survey of the latest developments in high energy physics. Topics discussed include hard high energy, structure functions, soft interactions, heavy flavor, the standard model, hadron spectroscopy, neutrino masses, particle astrophysics, field theory, and detector development.

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

Published: 1994-02-04

Total Pages: 474

ISBN-13: 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.

Top Quark Pair Production
Top Quark Pair Production

Author: Anna Christine Henrichs

Publisher: Springer Science & Business Media

Published: 2013-10-04

Total Pages: 231

ISBN-13: 3319014870

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Before any kind of new physics discovery could be made at the LHC, a precise understanding and measurement of the Standard Model of particle physics' processes was necessary. The book provides an introduction to top quark production in the context of the Standard Model and presents two such precise measurements of the production of top quark pairs in proton-proton collisions at a center-of-mass energy of 7 TeV that were observed with the ATLAS Experiment at the LHC. The presented measurements focus on events with one charged lepton, missing transverse energy and jets. Using novel and advanced analysis techniques as well as a good understanding of the detector, they constitute the most precise measurements of the quantity at that time.

Lepton And Photon Interactions At High Energies: Lepton-photon 2003 - Proceedings Of The Xxi International Symposium
Lepton And Photon Interactions At High Energies: Lepton-photon 2003 - Proceedings Of The Xxi International Symposium

Author: Harry W K Cheung

Publisher: World Scientific

Published: 2004-02-20

Total Pages: 575

ISBN-13: 9814483516

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This volume contains contributions to the XXI International Symposium on Lepton and Photon Interactions at High Energies, held at the Fermi National Accelerator Laboratory. It gives up-to-date reviews of all aspects of particle physics, written by leading practitioners in the field. The review nature of all the articles makes this volume more accessible to students and researchers in other fields of physics. In addition to new experimental data and advances in theory, the future directions and prospects for the field are covered.The proceedings have been selected for coverage in:• Index to Scientific & Technical Proceedings® (ISTP® / ISI Proceedings)• Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)• CC Proceedings — Engineering & Physical Sciences