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We analyse pp elastic scattering data at the highest accelerator energy region (between 10 and 63 GeV) through a multiple diffraction approach. The use of Martin's formula in a model developed earlier is substituted by the introduction of a…

High Energy Physics - Phenomenology · Physics 2009-10-30 A. F. Martini , M. J. Menon

The Real Compton Scattering in ultraperipheral $pPb$ collisions at RHIC and LHC energies is investigated and predictions for the squared transverse momentum ($t$) and rapidity ($Y$) distributions are presented. The scattering amplitude is…

High Energy Physics - Phenomenology · Physics 2017-11-22 V. P. Goncalves , F. S. Navarra , D. Spiering

Analysis of the new experimental data obtained by the TOTEM Collaboration at LHC at $\sqrt{s} = 7 \ $TeV at small momentum transfer is presented. The impact of the different assumptions on the extraction of the parameters of the elastic…

High Energy Physics - Phenomenology · Physics 2015-06-18 O. V. Selyugin

Double parton scattering, occurring in high energy hadron-hadron collisions, e.g. at the LHC, is usually investigated through model dependent analyses of the so called effective cross section $\sigma_{eff}$. We present a dynamic approach to…

High Energy Physics - Phenomenology · Physics 2016-03-23 Matteo Rinaldi , Sergio Scopetta , Marco Traini , Vicente Vento

Two-photon exchange contributions to elastic electron-proton scattering cross sections are evaluated in a simple hadronic model including the finite size of the proton. The corrections are found to be small in magnitude, but with a strong…

Nuclear Theory · Physics 2008-11-26 P. G. Blunden , W. Melnitchouk , J. A. Tjon

On the basis of the new high energy general structure (HEGS) model, which takes into account the different moments of the General Parton Distributions (GPDs) of the hadron, the quantitative descriptions of all existing experimental data…

High Energy Physics - Phenomenology · Physics 2015-06-23 O. V. Selyugin

We calculate differential cross sections for proton-nucleus elastic scattering by using a Glauber theory in the optical limit approximation and nucleon distributions that can be obtained in the framework of macroscopic nuclear models in a…

Nuclear Theory · Physics 2015-06-26 Kei Iida , Kazuhiro Oyamatsu , Badawy Abu-Ibrahim

In the present investigation we study the leading and subleading high-energy behavior of hadron-hadron total cross sections using a best-fit analysis of hadronic scattering data. The parametrization used for the hadron-hadron total cross…

High Energy Physics - Phenomenology · Physics 2017-08-30 M. Giordano , E. Meggiolaro , P. V. R. G. Silva

We apply the Linked Dipole Chain model to hadronic collisions using a modified version of the LDCMC Monte Carlo program. In particular we investigate the effects of multiple scatterings, which in this framework are reformulated in terms of…

High Energy Physics - Phenomenology · Physics 2009-11-07 Gosta Gustafson , Leif Lonnblad , Gabriela Miu

Our investigation of high energy $\rm{pp}$ and $\bar{\rm{p}}\rm{p}$ elastic scattering over the last two decades has led us to consider that the proton has three regions: i) an outer region consisting of a quark-antiquark…

High Energy Physics - Phenomenology · Physics 2017-09-29 M. M. Islam , R. J. Luddy

We phenomenologically study whether partonic collisions responsible for the growth of hadron-hadron cross sections at high energy can be ascribed to instanton-induced processes. Although non-perturbative in nature, these interactions occur…

High Energy Physics - Phenomenology · Physics 2009-11-07 G. W. Carter , D. M. Ostrovsky , E. V. Shuryak

We discuss strategies for using lattice QCD to investigate some topics in strong interaction phenomenology which are usually related to soft pomeron exchange. These include hadronic cross-sections at high energies and diffractive scattering…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. S. Henty , C. Parrinello , D. G. Richards , J. I. Skullerud

An almost model-independent parametrization for the ratio of the total cross section to the elastic slope, as function of the center of mass energy, is introduced. The analytical result is based on the approximate relation of this quantity…

High Energy Physics - Phenomenology · Physics 2012-02-02 D. A. Fagundes , M. J. Menon

In the theoretical analysis of high-energy elastic nucleon scattering one starts commonly from the description based on the validity of optical theorem, which allows to derive the value of total cross section directly from the…

High Energy Physics - Phenomenology · Physics 2009-06-23 Milos V. Lokajicek , Vojtech Kundrat

We discuss a recently proposed interpretation of some model descriptions of the proton-proton elastic scattering data as a manifestation of alleged relative transparency of the central part of the interaction region in the impact parameter…

High Energy Physics - Phenomenology · Physics 2018-06-15 V. A. Petrov , A. P. Samokhin

The high energy part of the hadron spin flip amplitude is examined in the framework of the new high energy general structure (HEGS) model of the elastic hadron scattering at high energies. The different forms of the hadron spin flip…

High Energy Physics - Phenomenology · Physics 2016-06-22 O. V. Selyugin

The Bialas-Bzdak model of elastic proton-proton scattering is generalized to the case when the real part of the parton-parton level forward scattering amplitude is non-vanishing. Such a generalization enables the model to describe well the…

High Energy Physics - Phenomenology · Physics 2014-01-14 T. Csörgő , F. Nemes

An analysis of the data on forward $pp, \bar pp, \pi^{\pm}p$ and $K^{\pm}p$ scattering is performed making use of the single- and double-subtraction integral and comparing with derivative dispersion relations for amplitudes. Various pomeron…

High Energy Physics - Phenomenology · Physics 2012-02-08 A. Alkin , J. R. Cudell , E. Martynov

High energy measurements of the inelastic proton-proton cross sections, at the LHC at $\sqrt s$=7 TeV and by Auger at 57 TeV, have validated previous evidence from data collected over a wide range of energies that the total and inelastic…

High Energy Physics - Phenomenology · Physics 2015-03-19 Martin M. Block , Francis Halzen