Barate, R
ZEUS
E+ P --> E+ X
Structure Function
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Measurement of the Proton Structure Function ${F_2}$ at low ${x}$ and low ${Q~2}$ at HERA

The ZEUS collaboration Derrick, M. ; Krakauer, D. ; Magill, S. ; et al.
Z.Phys.C 69 (1996) 607-620, 1996.
Inspire Record 401305 DOI 10.17182/hepdata.44843

We report on a measurement of the proton structure function $F_2$ in the range $3.5\times10~{-5}\leq x \leq 4\times10~{-3}$ and 1.5 ${\rm GeV~2} \leq Q~2 \leq15$ ${\rm GeV~2}$ at the $ep$ collider HERA operating at a centre-of-mass energy of $\sqrt{s} = 300$ ${\rm GeV}$. The rise of $F_2$ with decreasing $x$ observed in the previous HERA measurements persists in this lower $x$ and $Q~2$ range. The $Q~2$ evolution of $F_2$, even at the lowest $Q~2$ and $x$ measured, is consistent with perturbative QCD.

13 data tables
Table 1

Data from shifted vertex analysis. Overall normalization error of 3% is notincluded.

Table 2

Data from shifted vertex analysis. Overall normalization error of 3% is notincluded.

Table 3

Data from shifted vertex analysis. Overall normalization error of 3% is notincluded.

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