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Addendum to the 1993 European school of high-energy physics. Proceedings

Miscellaneous:

Abstract

The use of energetic electrons (and other leptons) to probe the structure of hadronic matter has had a long and extremely successful history. We begin with a quick pictorial review and then introduce the Quark Parton Model with its prediction of scaling for deep inelastic ep{yields}eX and {nu}N{yields}{mu}X scattering. Here by `scaling` we mean taht the structure functions F{sub i}(x, Q{sup 2}) depend only on the Bjorken variable x, and not on Q{sup 2}. A study of the QCD-improved parton model is preceded by an introductory discussion of QCD, renormalisation and the running of the coupling constant {alpha}{sub s}. We indicate how the running of {alpha}{sub s}, governed by the universal beta function, can, in principle, sum all the logarithmic ultraviolet divergences associated with the quark-gluon vertices. In an analogous way we indicate how universal running parton densities, governed by Altarelli-Parisi evolution equations, can, in principle, sum all the logarithmic initial state collinear singularities. (orig.).
Authors:
Ellis, N; [1]  Gavela, M B [1] 
  1. ed.
Publication Date:
Jun 30, 1994
Product Type:
Miscellaneous
Report Number:
CERN-94-04(add.); CONF-9309446-
Reference Number:
SCA: 662330; PA: AIX-26:007080; EDB-95:010901; SN: 95001299545
Resource Relation:
Conference: European school of high-energy physics,Zakopane (Poland),12-25 Sep 1993; Other Information: PBD: 30 Jun 1994
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; DEEP INELASTIC SCATTERING; LECTURES; QUANTUM CHROMODYNAMICS; ANALYTIC FUNCTIONS; COLOR MODEL; COUPLING CONSTANTS; DIFFERENTIAL EQUATIONS; ENERGY DEPENDENCE; GRIBOV-LIPATOV RELATION; INCLUSIVE INTERACTIONS; INTEGRAL EQUATIONS; PARTICLE STRUCTURE; PARTON MODEL; PERTURBATION THEORY; PROGRESS REPORT; QUASI-ELASTIC SCATTERING; RENORMALIZATION; SCALING LAWS; SINGULARITY; STRONG INTERACTIONS; STRUCTURE FUNCTIONS; SU-3 GROUPS; ULTRAVIOLET DIVERGENCES; UNIFIED GAUGE MODELS; 662330; PHOTON AND CHARGED-LEPTON INTERACTIONS WITH HADRONS
OSTI ID:
10102683
Research Organizations:
European Organization for Nuclear Research, Geneva (Switzerland)
Country of Origin:
CERN
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0531-4283; Other: ON: DE95610313; TRN: XC94FJ700007080
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
INIS
Size:
105 p.
Announcement Date:
Jun 30, 2005

Miscellaneous:

Citation Formats

Ellis, N, and Gavela, M B. Addendum to the 1993 European school of high-energy physics. Proceedings. CERN: N. p., 1994. Web.
Ellis, N, & Gavela, M B. Addendum to the 1993 European school of high-energy physics. Proceedings. CERN.
Ellis, N, and Gavela, M B. 1994. "Addendum to the 1993 European school of high-energy physics. Proceedings." CERN.
@misc{etde_10102683,
title = {Addendum to the 1993 European school of high-energy physics. Proceedings}
author = {Ellis, N, and Gavela, M B}
abstractNote = {The use of energetic electrons (and other leptons) to probe the structure of hadronic matter has had a long and extremely successful history. We begin with a quick pictorial review and then introduce the Quark Parton Model with its prediction of scaling for deep inelastic ep{yields}eX and {nu}N{yields}{mu}X scattering. Here by `scaling` we mean taht the structure functions F{sub i}(x, Q{sup 2}) depend only on the Bjorken variable x, and not on Q{sup 2}. A study of the QCD-improved parton model is preceded by an introductory discussion of QCD, renormalisation and the running of the coupling constant {alpha}{sub s}. We indicate how the running of {alpha}{sub s}, governed by the universal beta function, can, in principle, sum all the logarithmic ultraviolet divergences associated with the quark-gluon vertices. In an analogous way we indicate how universal running parton densities, governed by Altarelli-Parisi evolution equations, can, in principle, sum all the logarithmic initial state collinear singularities. (orig.).}
place = {CERN}
year = {1994}
month = {Jun}
}