The ratio $F_2^n/F_2^p$ from the analysis of data using a new scaling variable

Details The ratio $F_2^n/F_2^p$ from the analysis of data using a new scaling variable The ratio $F_2^n/F_2^p$ from the analysis of data using a new scaling variable

1995-06-02

arxiv.org/abs/hep-ph/9506223v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 4 figures

Scientific paper

We analyze the proton and deuteron structure functions at large $x$ using a recently introduced scaling variable $\bar x$. This variable includes power corrections to $x$-scaling, and thus allows us to reach the Bjorken limit at moderate $Q^2$. Using available data we extract the ratio $F_2^n(x)/F_2^p(x)$ for $x\leq 0.85$. Contrary to earlier expectations this ratio tends to the value $\sim$2/3 for $x\to 1$, which corresponds to the quark model prediction for equal distributions of valence quarks.

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