Parametrization of parton distributions in the photon

H. Abramowicz*, K. Charchuła, A. Levy

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

151 Scopus citations


A new parametrization for parton distributions in the real photon is obtained by solving the inhomogeneous leading order Altarelli-Parisi equations for the photon case. All the presently available data on the photon structure function are used to fit the quark and gluon distributions. The dependence of the results on the initial conditions for the evolution, the starting value of Q2, Q02, and the shape of the gluon distributions in particular, is investigated. Expectations in the HERA kinematical limit are discussed.

Original languageEnglish
Pages (from-to)458-464
Number of pages7
JournalPhysics Letters B
Issue number3-4
StatePublished - 31 Oct 1991
Externally publishedYes


FundersFunder number
German Israeli FoundationGIF 1-149-1 10.7/89
Polish Ministry of EducationGMEN 13 3/90


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