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QCD improved parton model

Robin Devenish and Amanda Cooper-Sarkar

in Deep Inelastic Scattering

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198506713
eISBN:
9780191709562
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198506713.003.0004
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The QCD improved parton model provides the foundation on which all the remaining chapters are based. This chapter begins by covering the key ideas: tree level QCD Compton and boson-gluon fusion ... More


DIS at low x

Robin Devenish and Amand Cooper-Sarkar

in Deep Inelastic Scattering

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198506713
eISBN:
9780191709562
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198506713.003.0009
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter is concerned with physics at low values of Bjorken x, below 0.01, where the q-qbar sea and gluon are the dominant partons and increasing rapidly as x decreases. It starts with an ... More


The Theory Of QCD

GÜNTHER DISSERTORI, IAN G. KNOWLES, and MICHAEL SCHMELLING

in Quantum Chromodynamics: High Energy Experiments and Theory

Published in print:
2009
Published Online:
January 2010
ISBN:
9780199566419
eISBN:
9780191708060
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199566419.003.0003
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter begins with the formal derivation of QCD as a gauge theory based on the symmetry group SU(3). It then describes the basic reactions of lepton-lepton, lepton-hadron, and hadron-hadron ... More


QCD to All Orders

John Campbell, Joey Huston, and Frank Krauss

in The Black Book of Quantum Chromodynamics: A Primer for the LHC Era

Published in print:
2017
Published Online:
March 2018
ISBN:
9780199652747
eISBN:
9780191749148
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199652747.003.0005
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter centres around the treatment of QCD emissions to all orders. After introductory remarks about the analytic properties of the radiation pattern, some of the most striking phenomenological ... More


Parton Distribution Functions

John Campbell, Joey Huston, and Frank Krauss

in The Black Book of Quantum Chromodynamics: A Primer for the LHC Era

Published in print:
2017
Published Online:
March 2018
ISBN:
9780199652747
eISBN:
9780191749148
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199652747.003.0006
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Parton Distribution Functions (PDFs) are a necessary ingredient in the calculation of cross sections at collider experiments with hadron beams. This chapter explores the techniques of determining the ... More


Hadrons, partons and QCD

Michael Kachelriess

in Quantum Fields: From the Hubble to the Planck Scale

Published in print:
2017
Published Online:
February 2018
ISBN:
9780198802877
eISBN:
9780191841330
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198802877.003.0018
Subject:
Physics, Particle Physics / Astrophysics / Cosmology, Theoretical, Computational, and Statistical Physics

This chapter first discusses the breaking of scale invariance of QCD with massless quarks by quantum corrections and explains that this effect is responsible for the bulk of hadron masses. Then the ... More


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