The DIS cross-sections ratio $R= σ_L/σ_T$ at small x from HERA data

Details The DIS cross-sections ratio $R= σ_L/σ_T$ at small x from HERA data The DIS cross-sections ratio $R= σ_L/σ_T$ at small x from HERA data

1996-09-23

arxiv.org/abs/hep-ph/9609439v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex file (6 pages), 1 Postscript figure

Scientific paper

We extract the deep inelastic scattering cross-sections ratio $R= \sigma _L/\sigma _T$ in the range $10^{-4} \leq x \leq 10^{-1}$ from $F_2$ HERA data using very simple relations based on perturbative QCD. The result depends on only one parameter $\delta$, being $x^{-\delta}$ the behavior of the parton densities at low $x$, which has been determined recently with a good accuracy by the H1 group.

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