Measurement of $xF_3$ and $F_2$ Structure Functions in Low $Q^2$ Region with the IHEP-JINR Neutrino Detector

Details Measurement of $xF_3$ and $F_2$ Structure Functions in Low $Q^2$ Region with the IHEP-JINR Neutrino Detector Measurement of $xF_3$ and $F_2$ Structure Functions in Low $Q^2$ Region with the IHEP-JINR Neutrino Detector

1999-05-20

arxiv.org/abs/hep-ex/9905038v1

Eur.Phys.J.C10:405-408,1999

Physics

High Energy Physics

High Energy Physics - Experiment

11 pages, 1 Postscript figure, LaTeX. Talk given at the 7th International Workshop on Deep Inelastic Scattering and QCD (DIS 9

Scientific paper

10.1007/s100529900143

The isoscalar structure functions $xF_3$ and $F_2$ are measured as functions of $x$ averaged over all $Q^2$ permissible for the range of 6 to 28 GeV of incident neutrino (anti-neutrino) energy at the IHEP-JINR Neutrino Detector. The QCD analysis of $xF_3$ structure function provides $\Lambda_{\bar{MS}}^{(4)} = (411 \pm 200)$ MeV under the assumption of QCD validity in the region of low $Q^2$. The corresponding value of the strong interaction constant $\alpha_S (M_Z) = 0.123^{+0.010}_{-0.013}$ agrees with the recent result of the CCFR collaboration and with the combined LEP/SLC result.

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