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Measurement of the Hadronic Photon Structure Function F_2^gamma at LEP2 by Taylor, R. J. is a scholarly article available to read on EtoBox.

What is Measurement of the Hadronic Photon Structure Function F_2^gamma at LEP2 about?

The hadronic structure function of the photon F_2^gamma is measured as a function of Bjorken x and of the factorisation scale Q^2 using data taken by the OPAL detector at LEP. Previous OPAL measurements of the x dependence of F_2^gamma are extended to an average Q^2 of 767 GeV^2. The Q^2 evolution of F_2^gamma is studied for average Q^2 between 11.9 and 1051 GeV^2. As predicted by QCD, the data show positive scaling violations in F_2^gamma. Several parameterisations of F_2^gamma are in agreement with the measurements whereas the quark-parton model prediction fails to describe the data.

Author

Taylor, R. J.

Published

2001

Language

EN