MEASURING THE QCD COUPLING CONSTANT ALPHA SUB(S) INSIDE A NUCLEUS.

MEASURING THE QCD COUPLING CONSTANT ALPHA SUB(S) INSIDE A NUCLEUS. PDF Author: P. Hoodbhoy
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ISBN:
Category :
Languages : en
Pages : 0

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MEASURING THE QCD COUPLING CONSTANT ALPHA SUB(S) INSIDE A NUCLEUS.

MEASURING THE QCD COUPLING CONSTANT ALPHA SUB(S) INSIDE A NUCLEUS. PDF Author: P. Hoodbhoy
Publisher:
ISBN:
Category :
Languages : en
Pages : 0

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Measuring the QCD Coupling Constant [alpha]s Inside a Nucleus

Measuring the QCD Coupling Constant [alpha]s Inside a Nucleus PDF Author: Pervez Hoodbhoy
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Measuring the QCD Coupling Constant $ \alfa_ S $ Inside a Nucleus

Measuring the QCD Coupling Constant $ \alfa_ S $ Inside a Nucleus PDF Author: P. Hoodbhoy
Publisher:
ISBN:
Category :
Languages : en
Pages :

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A Short History of Measuring the Strong Coupling Constant [alpha]s̳ to Complete Second Order of QCD

A Short History of Measuring the Strong Coupling Constant [alpha]s̳ to Complete Second Order of QCD PDF Author: Min Chen
Publisher:
ISBN:
Category :
Languages : en
Pages : 10

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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 PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 119

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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.

Energy Research Abstracts

Energy Research Abstracts PDF Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 484

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Determination of [alpha]{ Sub S}} and Measurements of R{sub L}, K and

Determination of [alpha]{ Sub S}} and Measurements of R{sub L}, K and PDF Author:
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ISBN:
Category :
Languages : en
Pages :

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We present recent QCD results in [nu]-N scattering at the Fermilab CCFR experiment. We present the latest Next-to-Next-to-Leading order strong coupling constant, [alpha]s, extracted from Gross-Llewellyn-Smith sum rule. The value of [alpha]s from this measurement, at the mass of Z boson, is [alpha]{sup NNLO}{sub s} (M2{sub Z}) = 0:114 {sup +0 : 009}{sub -0.012} Measurements of charged current neutrino and anti-neutrino nucleon interactions in the CCFR detector are used to extract the structure functions, F2, xF{sup {nu}}3, xF{sup {anti{nu}}}3 and R(longitudinal) in the kinematic region 0:01

Government Reports Annual Index

Government Reports Annual Index PDF Author:
Publisher:
ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 1084

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Government Reports Announcements & Index

Government Reports Announcements & Index PDF Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1150

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Determination of [alpha][sub S] and Measurements of R[sub L], K and [verticalV[sub Cs][vertical from [nu] - N DIS at CCFR.

Determination of [alpha][sub S] and Measurements of R[sub L], K and [verticalV[sub Cs][vertical from [nu] - N DIS at CCFR. PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description
We present recent QCD results in [nu]-N scattering at the Fermilab CCFR experiment. We present the latest Next-to-Next-to-Leading order strong coupling constant, [alpha]s, extracted from Gross-Llewellyn-Smith sum rule. The value of [alpha]s from this measurement, at the mass of Z boson, is [alpha][sup NNLO][sub s] (M[sup 2][sub Z]) = 0:114 [sup +0 : 009][sub -0.012] Measurements of charged current neutrino and anti-neutrino nucleon interactions in the CCFR detector are used to extract the structure functions, F2, xF[sup [nu]][sub 3], xF[sup [anti[nu]]][sub 3] and R(longitudinal) in the kinematic region 0:01