A two-channel extension of the 'new parton model' fits total and elastic proton cross sections, reproduces only half of single diffraction, and requires an Odderon contribution to describe the measured elastic t-distribution.
CGC/saturation approach for soft interactions at high energy: a two channel model
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abstract
In this paper we continue the development of a model for strong interactions at high energy, based on two ingredients: CGC/saturation approach and the BFKL Pomeron. In our approach, the unknown mechanism of confinement of quarks and gluons, is characterized by several numerical parameters, which are extracted from the experimental data. We demonstrate that the two channel model, successfully describes the experimental data, including both the value of the elastic slope and the energy behavior of the single diffraction cross section. We show that the disagreement with experimental data of our previous single channel eikonal model [6] stems from the simplified approach used for the hadron structure, and is not related to our principal theoretical input, based on the CGC/saturation approach.
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2019 1verdicts
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A new parton model for the soft interactions at high energies: two channel approximation
A two-channel extension of the 'new parton model' fits total and elastic proton cross sections, reproduces only half of single diffraction, and requires an Odderon contribution to describe the measured elastic t-distribution.