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arXiv · hep-ph/0109129

Proton structure function. Soft and hard Pomerons

P. Desgrolard·E. Martynov
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Abstract

Regge models for proton structure function with and without a hard Pomeron contribution are compared with all available data in the region $W>3$ GeV, $Q^{2}\leq 3000$ GeV$^{2}$ and $x<0.75$. It is shown that the data do not support a hard Pomeron term in $γ^{*} p$ amplitude. Moreover, the data support the idea that the soft Pomeron, either is a double pole with $α_{P}(0)=1$ in the angular momentum $j$-plane, or is a simple pole with $α_{P}(0)=1+ε$ where $ε\ll 1$.

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P. Desgrolard, E. Martynov. 2001-09-23. Proton structure function. Soft and hard Pomerons. https://arxiv.org/abs/hep-ph/0109129

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