High energy behaviour of form factors

A bstract We solve renormalization group equations that govern infrared divergences of massless and massive form factors. By comparing to recent results for planar massive three-loop and massless four-loop form factors in QCD, we give predictions for the high-energy limit of massive form factors at...

Full description

Saved in:
Bibliographic Details
Published inThe journal of high energy physics Vol. 2017; no. 6; pp. 1 - 21
Main Authors Ahmed, Taushif, Henn, Johannes M., Steinhauser, Matthias
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.06.2017
Springer Nature B.V
SpringerOpen
Subjects
Behavior
Classical and Quantum Gravitation
Elementary Particles
Form factors
Group dynamics
High energy physics
NLO Computations
Physics
Physics and Astronomy
Product design
QCD Phenomenology
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
String Theory
NLO Computations
QCD Phenomenology
Online AccessGet full text

Cover

More Information
Summary:A bstract We solve renormalization group equations that govern infrared divergences of massless and massive form factors. By comparing to recent results for planar massive three-loop and massless four-loop form factors in QCD, we give predictions for the high-energy limit of massive form factors at the four- and for the massless form factor at five-loop order. Furthermore, we discuss the relation which connects infrared divergences regularized dimensionally and via a small quark mass and extend results present in the literature to higher order.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP06(2017)125