A Study of the Strong Coupling Constant Using W+ Jets Processes

A Study of the Strong Coupling Constant Using W+ Jets Processes
Title A Study of the Strong Coupling Constant Using W+ Jets Processes PDF eBook
Author
Publisher
Pages
Release 1995
Genre
ISBN

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Determination of the Strong Coupling Constant ([alpha]{sub S}) and a Test of Perturbative QCD Using W + Jets Processes in the D0 Detector

Determination of the Strong Coupling Constant ([alpha]{sub S}) and a Test of Perturbative QCD Using W + Jets Processes in the D0 Detector
Title Determination of the Strong Coupling Constant ([alpha]{sub S}) and a Test of Perturbative QCD Using W + Jets Processes in the D0 Detector PDF eBook
Author
Publisher
Pages 119
Release 1993
Genre
ISBN

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The D0 experiment has accumulated data for a study of inclusive W production corresponding to a total integrated luminosity of 14.3 ± 1.7 pb−1 during the 1992--1993 Fermilab Tevatron collider run. The total number of W → e + [nu] candidates is 9770. The ratio of the number of W + 1 jet events to that of W + 0 jet events has been measured as a function of jet minimum E{sub T}. Using this ratio the strong coupling constant, [alpha]{sub s} at Q2 = M{sub W}2 is measured to be [alpha]{sub s}(M{sub W}2) = 0.124 ± 0.005(stat) ± 0.006(MC) ± 0.008(theory){sub -0.022}{sup +0.026}(sys) or ({sub -0.025}{sup +0.028} combined) with a jet minimum E{sub T} of 25 GeV. A quantitative test of perturbative QCD has been made by comparing the experimentally measured ratio with the theoretical predictions. The theoretical predictions of the ratio in both the leading order and next-to-leading order are in good agreement with the measured ratio.

Proceedings Of The 28th International Conference On High Energy Physics (In 2 Volumes)

Proceedings Of The 28th International Conference On High Energy Physics (In 2 Volumes)
Title Proceedings Of The 28th International Conference On High Energy Physics (In 2 Volumes) PDF eBook
Author Zygmunt Ajduk
Publisher World Scientific
Pages 1878
Release 1997-04-11
Genre
ISBN 9814547107

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The 28th conference from the Rochester series was the major high energy physics conference in 1996. Volume one contains short reports on new theoretical and experimental results. Volume two consists of the review talks presented in the plenary sessions.

Energy Research Abstracts

Energy Research Abstracts
Title Energy Research Abstracts PDF eBook
Author
Publisher
Pages 782
Release 1995
Genre Power resources
ISBN

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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.
Title A Measurement of the Ration of W + 1 Jet to W + 0 Jets Cross Sections and Comparisons to QCD. PDF eBook
Author
Publisher
Pages 2
Release 1996
Genre
ISBN

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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.

Salters Horners Advanced Physics

Salters Horners Advanced Physics
Title Salters Horners Advanced Physics PDF eBook
Author
Publisher Heinemann
Pages 458
Release 2001
Genre Science
ISBN 9780435628925

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The "Salters Horners Advanced Physics" series places physics into social, industrial, environmental and historical contexts, and covers the A Level specifications in place from September 2000. This A2 Level student book features maths support notes and applications-led illustrations of physics.

From Actions To Answers - Proceedings Of The 1989 Theoretical Advanced Study Institute In Elementary Particle Physics

From Actions To Answers - Proceedings Of The 1989 Theoretical Advanced Study Institute In Elementary Particle Physics
Title From Actions To Answers - Proceedings Of The 1989 Theoretical Advanced Study Institute In Elementary Particle Physics PDF eBook
Author Thomas A Degrand
Publisher World Scientific
Pages 760
Release 1990-04-01
Genre Science
ISBN 9814552925

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This School focussed on computation in theoretical particle physics. Accordingly, it had large components on collider phenomenology and lattice gauge theory. A number of lectures on current topics in modern mathematical physics (conformal field theory, quantum gravity, and sphalerons) were included.