is possible. The study of its evolution with Bjorken x and
virtuality Q2 (in the LUMI range) allows important tests of QED and
QCD predictions and provides a better understanding of the structure of the
photon.FAS Abstracts 2004 Meeting Page
Joint Meeting: Engineering & Physics and Space Sciences A (PSS): PSS-6
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Measurement of
the photon structure function F2γ(x,Q2) with
the LUMI detector at L3. G. BAKSAY and M. HOHLMANN. Florida Tech, Dept. of
Phys. and Space Sci., 150 West University Blvd., Melbourne, FL 32901.
One possible description of the photon is given by the photon structure
function F2g(x,Q2) obtained
from deep inelastic electron-photon scattering at the LEP e+e-
collider at CERN. Single tag events are selected from data taken with the L3
detector at the center-of-mass energies of 189-206 GeV and integrated luminosity
of 584 pb-1. Since the energy of the target photon is not known the
kinematics has to be determined from the final state hadrons, which are
partially observed by the detector. This leads to a dependence of the F2g
measurement on Monte Carlo modeling of the hadronic final state. From the
measured cross section the extraction of is possible. The study of its evolution with Bjorken x and
virtuality Q2 (in the LUMI range) allows important tests of QED and
QCD predictions and provides a better understanding of the structure of the
photon.