Deep inelastic scattering asusing soft-collinear effective theory
- 30 December 2003
- journal article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 68 (11)
- https://doi.org/10.1103/physrevd.68.114019
Abstract
Soft-collinear effective theory (SCET) is used to sum Sudakov double-logarithms in the x ->1 endpoint region for the deep inelastic scattering structure function. The calculations are done in both the target rest frame and the Breit frame. The separation of scales in the effective theory implies that the anomalous dimension of the SCET current is linear in ln mu, and the anomalous dimension for the Nth moment of the structure function is linear in ln N, to all orders in perturbation theory. The SCET formulation is shown to be free of Landau pole singularities. Some important differences between the deep inelastic structure function and the shape function in B decay are discussed.Keywords
All Related Versions
This publication has 20 references indexed in Scilit:
- Hard scattering factorization from effective field theoryPhysical Review D, 2002
- Soft-collinear factorization in effective field theoryPhysical Review D, 2002
- Invariant operators in collinear effective theoryPhysics Letters B, 2001
- An effective field theory for collinear and soft gluons: Heavy to light decaysPhysical Review D, 2001
- Summing Sudakov logarithms inin effective field theoryPhysical Review D, 2000
- Logarithms ofin QED Bound States from the Renormalization GroupPhysical Review Letters, 2000
- The renormalization group for correlated scales: one-stage versus two-stage runningPhysics Letters B, 2000
- Renormalization group scaling in nonrelativistic QCDPhysical Review D, 2000
- Heavy quark effective theory and nonrelativistic QCD Lagrangian to orderPhysical Review D, 1997
- Resummation of the QCD perturbative series for hard processesNuclear Physics B, 1989