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High Q2 Neutral Current in polarised ep collisions |
| Reference |
A. Nikiforov, presented at DIS 2006, Spring 2006 |
| Document |
Conference paper or talk
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| Figures |
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| | Tables |
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| Contact |
E. Rizvi, V. Chekelian, Z. Zhang |
| Abstract |
The inclusive single differential cross section ${
m d}\sigma/{
m
d}Q^2$ and the reduced double differential cross section
$ ilde{\sigma}(x,Q^2)$ are presented for the neutral current process,
$e^{\pm}p
ightarrow e^{\pm} X$, in interactions with longitudinally
polarised lepton beams. The cross sections are measured in the region
of large negative four-momentum transfer squared, $Q^2 \geq 200\,{
m
GeV}^2$ and inelasticity, $y<0.9$. The data are consistent with the
expected $Q^2$ dependence of polarised cross sections, albeit with the
limited statistical precision of the data. The reduced cross section
data are combined together with previously published unpolarised data
to determine the structure function $x ilde{F}_3$ with
improved precision. The data are compared to predictions of the
Standard Model which is able to provide a good description of the data. |
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