Odderon effects in the differential cross-sections at Tevatron and LHC energies

Abstract

In the present paper, we extend the Froissaron-Maximal Odderon (FMO) approach at $t$ different from 0. Our extended FMO approach gives an excellent description of the 3266 experimental points considered in a wide range of energies and momentum transferred. We show that the very interesting TOTEM results for proton-proton differential cross-section in the range 2.76-13 TeV, together with the Tevatron data for antiproton-proton at 1.8 and 1.96 TeV give further experimental evidence for the existence of the Odderon. One spectacular theoretical result is the fact that the difference in the dip-bump region between $\bar{p}p$ and $pp$ differential cross-sections is diminishing with increasing energies and for very high energies (say 100 TeV), the difference between $\bar{p}p$ and $pp$ in the dip-bump region is changing its sign: $pp$ becomes bigger than $\bar{p}p$ at $|t|$ about 1 GeV${}^2$. This is a typical Odderon effect. Another important - phenomenological - result of our approach is that the slope in $pp$ scattering has different behavior in $t$ than the slope in $\bar{p}p$ scattering. This is also a clear Odderon effect.

13 pages, 16 figures, 4 tables. Revised version accepted for publication in European Physical Journal C (EPJ C)

References in corpus (2)

• Elastic differential cross-section measurement at $\sqrt{s}=13$ TeV by TOTEM
• Elastic differential cross-section $\mathrm{d}\sigma /\mathrm{d}t$ at $\sqrt{s}=$2.76 TeV and implications on the existence of a colourless 3-gluon bound state

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