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New parton model for the soft interactions at high energies: The odderon

机译:新的Parton模型,用于高能量的软交互:Odderon

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In this paper we discuss the odderon contribution in our model [E. Gotsman, E. Levin, and I.?Potashnikova, Eur. Phys. J. C 79 , 192 (2019)] that gives a fairly good description of σ tot , σ el , and B el for proton-proton scattering. We show that the shadowing corrections are large, and induce considerable dependence on energy for the odderon contribution, which in perturbative QCD does not depend on energy. This energy dependence is in agreement with the experimental data for ρ = Re / Im , assuming that the odderon gives a contribution of about 1?mb at W = 7 ? ? TeV . This differs greatly with our estimates for a CGC based model. We reproduce the main features of the t -dependence that are measured experimentally: the slope of the elastic cross section at small t , the existence of the minima in t -dependence which is located at | t | min = 0.52 ? ? GeV 2 at W = 7 ? ? TeV ; and the behavior of the elastic cross section at | t | > | t | min . The real part of the elastic amplitude turns out to be much smaller than the experimental one. Consequently, to achieve a description of the data, it is necessary to add an odderon contribution.
机译:在本文中,我们讨论了我们模型中的Odderon贡献[E. Gotsman,E.Levin,以及I.?Potashnikova,EUR。物理。 J.C 79,192(2019)]给出了σot,σEl和质子质子散射的相当良好的描述。我们表明阴影校正很大,并促使Odderon贡献的能量相当依赖,从而在扰动QCD中不依赖于能量。假设Odderon在W = 7 = 7的贡献中,这种能量依赖性与ρ= RE / IM的实验数据一致。还Tev。这与我们对基于CGC的模型的估计有很大的不同。我们重现了实验测量的T - 依存的主要特征:在小T处的弹性横截面的斜率,位于T - 彼依赖的最小值的存在T | min = 0.52?还GEV 2在W = 7?还Tev;和弹性横截面的行为| T | > | T |闵。弹性幅度的真实部分从实验幅度远小得多。因此,为了实现数据的描述,有必要增加Odderon贡献。

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