Measurement of the hadronic photon structure function F2γ at LEP2

被引：1

作者：

Taylor, RJ ^{[1
]}

机构：

[1] UCL, Dept Phys & Astron, London WC1E 6BT, England

来源：

PHOTON 2001 | 2002年

关键词：

D O I：

10.1142/9789812777157_0001

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The hadronic structure function of the photon F-2(gamma)(x, Q(2)) 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 GeV2. The Q(2) evolution of F-2(gamma) is studied for 11.9 < (Q(2)) < 1051 GeV2. 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.

引用

页码：3 / 6

页数：4

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