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In this talk we give a brief description of a QCD motivated model for both hard and soft interactions at high energies. In this model the long distance behaviour of the scattering amplitude is determined by the dipole scattering amplitude…

High Energy Physics - Phenomenology · Physics 2009-11-13 A. Kormilitzin , E. Levin

In this paper we develop an approach to soft scattering processes at high energies,which is based on two mechanisms: Good-Walker mechanism for low mass diffractionand multi-Pomeron interactions for high mass diffraction. The pricipal idea,…

High Energy Physics - Phenomenology · Physics 2008-12-18 E. Gotsman , E. Levin , U. Maor , J. S. Miller

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

Monte Carlo generators which were tuned for energies up to that of the Tevatron, are found wanting when extended to LHC energies. We construct a model that satisfies the theoretical requisites of high energy soft interactions, based on two…

High Energy Physics - Phenomenology · Physics 2011-09-22 Errol Gotsman

We show in this paper that we have found a set of parameters in our model for the soft interactions at high energy, that successfully describes all high energy experimental data, including the LHC data. This model is based on a single…

High Energy Physics - Phenomenology · Physics 2015-06-11 E. Gotsman , E. Levin , U. Maor

We propose a QCD motivated theoretical approach to high energy soft interactions, which successfully describes the experimental data on total, elastic and diffraction cross sections. We predict that the survival probability for the…

High Energy Physics - Phenomenology · Physics 2009-03-31 E. Gotsman , E. Levin , U. Maor , J. S. Miller

In this work we consider the QCD parton saturation models to describe soft interactions at the high energy limit. The total and elastic cross sections as well as the elastic slope parameter are obtained for proton-proton and pion-proton…

High Energy Physics - Phenomenology · Physics 2020-05-06 G. M. Peccini , F. Kopp , M. V. T. Machado , D. A. Fagundes

In this paper we present a two channel model with the goal of reproducing the soft scattering data available in the ISR-Tevatron energy range, and extend the model results to LHC and Cosmic Rays energies. A characteristic feature of the…

High Energy Physics - Phenomenology · Physics 2007-11-05 E. Gotsman , E. Levin , U. Maor

In this paper we construct a model that satisfies the theoretical requisites of high energy soft interactions, based on two ingredients:(i) the results of N=4 SYM, which at present is a unique theory that allows one to deal with a large…

High Energy Physics - Phenomenology · Physics 2011-03-10 E. Gotsman , E. Levin , U. Maor

The primary goal of this paper is to describe the diffraction production using the model that takes into account the Pomeron interaction, and satisfies both $t$ and $s$ channel unitarity. We hope that these features will allow us to…

High Energy Physics - Phenomenology · Physics 2020-04-28 E. Gotsman , E. Levin , I. Potashnikova

Coherence phenomena, the increase with energy of coherence length and the non-universality of parton structure of the effective Pomeron are explained. New hard phenomena directly calculable in QCD such as diffractive electroproduction of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Halina Abramowicz , Leonid Frankfurt , Mark Strikman

Using a model based on two elements: the Good-Walker mechanism for low mass diffraction and multi-pomeron interactions for high mass diffraction, we obtain an excellent description of all aspects of soft scattering at high energy. The…

High Energy Physics - Phenomenology · Physics 2009-11-13 Errol Gotsman

We review the evolution of the studies of diffractive processes in the strong interaction over the last 60 years. First, we briefly outline the early developments of the theory based on analyticity and unitarity of the S-matrix, including…

High Energy Physics - Phenomenology · Physics 2017-08-23 Leonid Frankfurt , Mark Strikman

In this paper we consider the soft processes at LHC energies in the framework of the Constituent Quark Model (CQM). We show that this rather naive model is able to describe all available soft data at lower energies and to predict the…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Bondarenko , E. Levin

A brief review on the Dipole Pomeron model is given. The model not only describes data on hadron-hadron interactions, but also allows to describe data on the proton structure function with a $Q^2$ independent intercept. Moreover the chosen…

High Energy Physics - Phenomenology · Physics 2016-11-23 E. Martynov

We present a formalism for high energy soft processes, mediated by Pomerons, which embodies pion-loop insertions in the Pomeron trajectory, rescattering effects via a two-channel eikonal and high-mass diffractive dissociation. It describes…

High Energy Physics - Phenomenology · Physics 2009-07-09 V. A. Khoze , A. D. Martin , M. G. Ryskin

Multi Pomeron interactions are the main source of high mass diffraction. Their role in high energy dynamics greatly influences the predictions for high energy cross sections and survival probabilities of hard diffraction channels, notably,…

High Energy Physics - Phenomenology · Physics 2009-03-03 E. Gotsman , E. Levin , U. Maor , J. S. Miller

We describe the elements of the GLM model that successfully describes soft hadronic interactions at energies from ISR to LHC. This model is based on a single Pomeron with a large intercept $\Delta_{\pom}$ = 0.23 and slope $\alpha_{\pom}'$ =…

High Energy Physics - Phenomenology · Physics 2013-04-30 Errol Gotsman

We estimate the value of the survival probability for central exclusive production, in a model, which is based on the CGC/saturation approach. Hard and soft processes are described in the same framework. At LHC energies, we obtain a small…

High Energy Physics - Phenomenology · Physics 2016-05-04 E. Gotsman , E. Levin , U. Maor

Coherence phenomena, and the non-universality of parton structure of the effective Pomeron are explained. New hard phenomena directly calculable in QCD such as diffractive electroproduction of states with $M^2\ll Q^2$ as well as new options…

High Energy Physics - Phenomenology · Physics 2007-05-23 Leonid Frankfurt , Mark Strikman
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