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Related papers: GPDs of the nucleons and elastic scattering at hig…

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Elastic scattering data gained for proton-proton collisions at high energies are being analyzed at the present practically only with the help of purely phenomenological mathematical models. And the question exists whether in the impact…

High Energy Physics - Phenomenology · Physics 2009-09-18 Milos V. Lokajicek , V. Kundrat

A brief historical overview of various modern approaches to the problem under consideration is given. It includes existing models based on a sum of different terms of the scattering amplitude with different signs and Regge-eikonal models…

High Energy Physics - Phenomenology · Physics 2026-03-03 O. V. Selyugin

Using a unified analytic representation for the elastic scattering amplitudes of pp scattering valid for all high energy region, the behavior of observables in the LHC collisions in the range $\sqrt{s}$ = 2.76 - 14 TeV is discussed.…

High Energy Physics - Phenomenology · Physics 2014-11-14 Erasmo Ferreira , Takeshi Kodama , Anderson Kendi Kohara

Two independent calculations of proton-deuteron elastic scattering observables including Coulomb repulsion between the two protons are compared in the proton lab energy region between 3 MeV and 65 MeV. The hadron dynamics is based on the…

Nuclear Theory · Physics 2009-11-11 A. Deltuva , A. C. Fonseca , A. Kievsky , S. Rosati , P. U. Sauer , M. Viviani

Taking into account the different forms of the Coulomb-hadron interference phase and the possible spin-flip contribution the new analysis of the experimental data of the proton-antiproton elastic scattering at $3.8 < p_L <6.0 \ $GeV/c and…

High Energy Physics - Phenomenology · Physics 2015-06-05 O. V. Selyugin

High energy elastic $p p$ scattering at the Large Hadron Collider (LHC) at c.m. energy 14 TeV is predicted using the asymptotic behavior of $\sigma_{tot}(s)$ and $\rho(s)$ known from dispersion relation calculations and the measured elastic…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. M. Islam , R. J. Luddy , A. V. Prokudin

We propose a new parton model and demonstrate that the model describes the relevant experimental data at high energies. The model is based on Pomeron calculus in 1+1 space-time dimensions, as suggested in Ref. [18] and on simple assumptions…

High Energy Physics - Phenomenology · Physics 2019-03-27 E. Gotsman , E. Levin , I. Potashnikova

Generalized parton distributions (GPDs) are three-dimensional structure functions of hadrons, and they can reveal the orbital-angular-momentum contributions to the nucleon spin. Therefore, GPDs are important for solving the proton spin…

High Energy Physics - Phenomenology · Physics 2020-01-08 Qin-Tao Song

In this letter we demonstrate that a model which is based on the CGC/saturation approach, is able to describe soft interaction collisions for the wide range of $W=\sqrt{s} = 30 \,GeV \div\, 13 \,TeV$ including the new TOTEM data at 13 TeV.…

High Energy Physics - Phenomenology · Physics 2018-11-14 E. Gotsman , E. Levin , I. Potashnikova

The critical analysis of the new experimental data obtained by the ATLAS Collaboration group at 13 TeV is presented and the problem of the tension between data of the ATLAS and TOTEM Collaboration is considered. The analysis of new effects…

High Energy Physics - Phenomenology · Physics 2023-03-07 O. V. Selyugin

The available data on elastic scattering at the LHC at large momentum transfer $t$ in the range $0.05 <|t|<1.0~\mathrm{GeV}^{2}$ have been analyzed in terms of possible oscillating structures. A clearly significant structure is seen in the…

High Energy Physics - Phenomenology · Physics 2024-01-30 Per Grafström

Most models for soft interactions which were proposed prior to the measurements at the LHC, are only marginally compatible with LHC data, our GLM model has the same deficiency. In this paper we investigate possible causes of the problem, by…

High Energy Physics - Phenomenology · Physics 2013-05-30 E. Gotsman , E. Levin , U. Maor

Taking into account PDFs obtained by various Collaborations, the momentum transfer dependence of GPDs of the pion are obtained. The calculated electromagnetic and gravitomagnetic form factors of the pions and nucleons are used for the…

High Energy Physics - Phenomenology · Physics 2020-01-29 O. V. Selyugin

The TOTEM experiment at the LHC has performed the first measurement at $\sqrt{s} = 13$ TeV of the $\rho$ parameter, the real to imaginary ratio of the nuclear elastic scattering amplitude at $t=0$, obtaining the following results: $\rho =…

The study of nuclear generalized parton distributions (GPDs) could be a crucial achievement of hadronic physics since they open new ways to obtain new information on the structure of bound nucleons, in particular, to access the neutron…

Nuclear Theory · Physics 2015-06-19 Matteo Rinaldi

On the basis of requirements of unitarity and analyticity we analyze the real and imaginary parts of the $pp^\pm$ scattering amplitudes at recent ultrahigh energies, 1-100 TeV. The predictions for the region $\sqrt s > 100$ TeV and ${\bf…

High Energy Physics - Phenomenology · Physics 2015-12-22 V. V. Anisovich , V. A. Nikonov , J. Nyiri

We systematically evaluate observables for hard exclusive electroproduction of real photons and compare them to experiment using a set of Generalized Parton Distributions (GPDs) whose parameters are constrained by Deeply Virtual Meson…

High Energy Physics - Phenomenology · Physics 2025-01-08 Peter Kroll , Hervé Moutarde , Franck Sabatié

We establish relations which express the generalized parton distributions (GPDs) describing the $N\to \Delta$ transition in terms of the nucleon GPDs. These relations are based on the known large-$N_c$ relation between the $N\to \Delta$…

High Energy Physics - Phenomenology · Physics 2015-07-22 Vladimir Pascalutsa , Marc Vanderhaeghen

The functional dependence of the high-energy observables of total cross section and slope parameter on the sizes of the colliding hadrons predicted by the model of the stochastic vacuum and the corresponding relations used in the geometric…

High Energy Physics - Phenomenology · Physics 2009-10-30 Erasmo Ferreira , Flávio Pereira

We complete the model-independent analysis of the scaling properties of the differential cross section of elastic proton-proton cross sections, including new TOTEM data published in 2022 at $\sqrt{s} = 8$ TeV. We separate the signal and the…

High Energy Physics - Experiment · Physics 2023-02-13 T. Csörgő , T. Novák , R. Pasechnik , A. Ster , I. Szanyi