Evidence for the Discrete Asymptotically-Free BFKL Pomeron from HERA Data

We show that the next-to-leading-order renormalization-group-improved asymptotically-free BFKL Pomeron provides a good fit to HERA data on virtual photoproduction at small x and large Q^2. The leading discrete Pomeron pole reproduces qualitatively the Q^2 dependence of the HERA data for x ~10^{-3},...

Descripción completa

Detalles Bibliográficos
Autores principales: Ellis, Jonathan Richard, Kowalski, H, Ross, D A
Lenguaje:eng
Publicado: 2008
Materias:
Particle Physics - Phenomenology
Acceso en línea:https://dx.doi.org/10.1016/j.physletb.2008.08.007
http://cds.cern.ch/record/1092381
_version_ 1780913812195508224
author Ellis, Jonathan Richard
Kowalski, H
Ross, D A
author_facet Ellis, Jonathan Richard
Kowalski, H
Ross, D A
author_sort Ellis, Jonathan Richard
collection CERN
description We show that the next-to-leading-order renormalization-group-improved asymptotically-free BFKL Pomeron provides a good fit to HERA data on virtual photoproduction at small x and large Q^2. The leading discrete Pomeron pole reproduces qualitatively the Q^2 dependence of the HERA data for x ~10^{-3}, and a fit using the three leading discrete singularities reproduces quantitatively the Q^2 and x dependence of the HERA data for x < 10^{-2}. This fit fixes the phase for all the BFKL wavefunctions at a chosen infrared scale.
id cern-1092381
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2008
record_format invenio
spelling cern-10923812019-09-30T06:29:59Zdoi:10.1016/j.physletb.2008.08.007http://cds.cern.ch/record/1092381engEllis, Jonathan RichardKowalski, HRoss, D AEvidence for the Discrete Asymptotically-Free BFKL Pomeron from HERA DataParticle Physics - PhenomenologyWe show that the next-to-leading-order renormalization-group-improved asymptotically-free BFKL Pomeron provides a good fit to HERA data on virtual photoproduction at small x and large Q^2. The leading discrete Pomeron pole reproduces qualitatively the Q^2 dependence of the HERA data for x ~10^{-3}, and a fit using the three leading discrete singularities reproduces quantitatively the Q^2 and x dependence of the HERA data for x < 10^{-2}. This fit fixes the phase for all the BFKL wavefunctions at a chosen infrared scale.arXiv:0803.0258CERN-PH-TH-2008-030oai:cds.cern.ch:10923812008-03-04
spellingShingle Particle Physics - Phenomenology
Ellis, Jonathan Richard
Kowalski, H
Ross, D A
Evidence for the Discrete Asymptotically-Free BFKL Pomeron from HERA Data
title Evidence for the Discrete Asymptotically-Free BFKL Pomeron from HERA Data
title_full Evidence for the Discrete Asymptotically-Free BFKL Pomeron from HERA Data
title_fullStr Evidence for the Discrete Asymptotically-Free BFKL Pomeron from HERA Data
title_full_unstemmed Evidence for the Discrete Asymptotically-Free BFKL Pomeron from HERA Data
title_short Evidence for the Discrete Asymptotically-Free BFKL Pomeron from HERA Data
title_sort evidence for the discrete asymptotically-free bfkl pomeron from hera data
topic Particle Physics - Phenomenology
url https://dx.doi.org/10.1016/j.physletb.2008.08.007
http://cds.cern.ch/record/1092381
work_keys_str_mv AT ellisjonathanrichard evidenceforthediscreteasymptoticallyfreebfklpomeronfromheradata
AT kowalskih evidenceforthediscreteasymptoticallyfreebfklpomeronfromheradata
AT rossda evidenceforthediscreteasymptoticallyfreebfklpomeronfromheradata

Ejemplares similares