Parametrization of F2γ at low Q2 and of σγγ and σγ*γ at high energies

B. Badełek, M. Krawczyk, J. Kwieciński, Anna Stasto

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A parametrization of the real photon structure function F2γ in the low Q2, low x region is formulated. It includes both the vector meson dominance (VMD) and the QCD components, the latter suitably extrapolated to the low Q2 region and based on arbitrary parton distributions in the photon. The parametrization used together with the Gluck, Reya, and Vogt (GRV) and Gluck, Reya, and Schienbein (GRS) parton densities describes reasonably well the existing high energy data on F2γ, σγγ, and the low Q2 data on σγ*γ. Predictions for σγγand for σγ*γ for energies which may become accessible in future linear colliders are also given.

Original languageEnglish (US)
Article number074021
Pages (from-to)1-8
Number of pages8
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume62
Issue number7
StatePublished - Oct 1 2000

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partons
photons
vector mesons
quantum chromodynamics
energy
predictions

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

Cite this

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Parametrization of F2γ at low Q2 and of σγγ and σγ*γ at high energies. / Badełek, B.; Krawczyk, M.; Kwieciński, J.; Stasto, Anna.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 62, No. 7, 074021, 01.10.2000, p. 1-8.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Parametrization of F2γ at low Q2 and of σγγ and σγ*γ at high energies

AU - Badełek, B.

AU - Krawczyk, M.

AU - Kwieciński, J.

AU - Stasto, Anna

PY - 2000/10/1

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N2 - A parametrization of the real photon structure function F2γ in the low Q2, low x region is formulated. It includes both the vector meson dominance (VMD) and the QCD components, the latter suitably extrapolated to the low Q2 region and based on arbitrary parton distributions in the photon. The parametrization used together with the Gluck, Reya, and Vogt (GRV) and Gluck, Reya, and Schienbein (GRS) parton densities describes reasonably well the existing high energy data on F2γ, σγγ, and the low Q2 data on σγ*γ. Predictions for σγγand for σγ*γ for energies which may become accessible in future linear colliders are also given.

AB - A parametrization of the real photon structure function F2γ in the low Q2, low x region is formulated. It includes both the vector meson dominance (VMD) and the QCD components, the latter suitably extrapolated to the low Q2 region and based on arbitrary parton distributions in the photon. The parametrization used together with the Gluck, Reya, and Vogt (GRV) and Gluck, Reya, and Schienbein (GRS) parton densities describes reasonably well the existing high energy data on F2γ, σγγ, and the low Q2 data on σγ*γ. Predictions for σγγand for σγ*γ for energies which may become accessible in future linear colliders are also given.

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