The ReBB model and its $H(x)$ scaling version at 8 TeV: Odderon exchange is a certainty

Abstract

The Real Extended Bialas-Bzdak (ReBB) model is shown here to describe, in the $0.37\le -t\le 1.2$ GeV${}^2$ region, the proton-proton elastic differential cross section data published by the TOTEM Collaboration at LHC at $\sqrt{s}=8$ TeV center of mass energy. In this kinematic range, corresponding to the diffractive minimum-maximum region, a model-dependent Odderon signal higher than 18 $\sigma$ is obtained by comparing the ReBB model prediction for the $p\bar{p}$ elastic differential cross section to this TOTEM measured $pp$ elastic differential cross section data at 8 TeV. However, when combining this signal with the Odderon signals from the ReBB model in the $0.37\le -t\le 1.2$ GeV${}^2$ four-momentum-transfer range at $\sqrt{s}=$ 1.96, 2.76 and 7 TeV, it turns out that the combined significance is dominated not by the new 8 TeV but by that of earlier 7 TeV TOTEM data, that carry an even larger Odderon effect. Thus, in any practical terms, within the framework of the ReBB model, the Odderon signal in the limited $0.37\le -t\le 1.2$ GeV${}^2$ and $1.96\le \sqrt{s}\le 8$ TeV kinematic region is not a probability, but a certainty. We show also that the $H(x)$ scaling version of the ReBB model works reasonably well at 8 TeV in the $0.37\le -t\le 0.97$ GeV${}^2$ region.

arXiv comment8 pages, 4 figures, 2 tables; typos corrected

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Cited by in corpus (3)

• Lévy $\alpha$-stable model for the non-exponential low-$|t|$ proton-proton differential cross section
• Model-independent Odderon results based on new TOTEM data on elastic pp collisions at 8 TeV
• Simple Lévy-$\alpha$ stable model analysis of elastic $pp$ and $p\bar{p}$ low-$|t|$ data from SPS to LHC energies