Taylor, Russell John;
(2002)
Measurement of the hadronic photon structure function Fγ2 at LEP2.
Doctoral thesis (Ph.D), UCL (University College London).
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Abstract
The hadronic structure function of the photon Fγ2(x, Q2) is measured as a function of Bjorken x and of the photon virtuality Q2 using deep-inelastic scattering data taken by the OPAL detector at LEP at e+e- centre-of-mass energies from 183 to 209 GeV. Previous OPAL measurements of the x dependence of Fγ2 are extended to an average Q2 of (Q2) = 780 GeV2 using data in the kinematic range 0.15 < x < 0.98. This represents the highest (Q2) measurement of Fγ2 made to date. The Q2 evolution Fγ2 of is studied for 12.1 < (Q2) < 780 GeV2 using three ranges of x. As predicted by QCD, the data show positive scaling violations in Fγ2 with Fγ2 (Q2)/α = (0.08 ± 0.02 +0.05 -0.03) + (0.13 ± 0.01 +0.01 -0.01) In Q2 where Q2 is in GeV2, for the central x region 0.10-0.60.
| Type: | Thesis (Doctoral) |
|---|---|
| Qualification: | Ph.D |
| Title: | Measurement of the hadronic photon structure function Fγ2 at LEP2 |
| Open access status: | An open access version is available from UCL Discovery |
| Language: | English |
| Additional information: | Thesis digitised by ProQuest. |
| Keywords: | Pure sciences; Hadronic structure function |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10103411 |
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