English
Related papers

Related papers: Forward elastic scattering: Dynamical gluon mass a…

200 papers

It is shown that owing to a dominance of $np-$pair transfer mechanism of backward elastic $p^3He$- scattering for incident proton kinetic energies $T_p>1$ GeV the cross section of this process is defined mainly by the values of the Faddeev…

Nuclear Theory · Physics 2008-11-26 Yu. N. Uzikov

We study the high-energy behavior of the elastic scattering amplitude using two distinct unitarization schemes: the eikonal and the $U$-matrix. Our analysis begins with a formalism involving solely Pomerons, incorporating pion-loop…

High Energy Physics - Phenomenology · Physics 2024-10-10 M. Maneyro , E. G. S. Luna , M. Peláez

We discuss how the main features of the recent LHC data on elastic scattering can be described by a QCD-inspired formalism with a dynamical infrared mass scale. For this purpose new developments on a dynamical gluon mass approach are…

High Energy Physics - Phenomenology · Physics 2015-06-03 D. A. Fagundes , E. G. S. Luna , M. J. Menon , A. A. Natale

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 introduce a new model of near-forward elastic proton-(anti)proton scattering at high energy based on the modern formulation of Pomeron and Odderon in terms of Wilson lines and generalized TMDs (GTMDs). We compute the helicity-dependent…

High Energy Physics - Phenomenology · Physics 2020-06-24 Yoshikazu Hagiwara , Yoshitaka Hatta , Roman Pasechnik , Jian Zhou

The ISR and the 7 TeV LHC data indicate that the differential cross-section of elastic proton-proton scattering remains almost energy-independent at the transferred momentum $t\approx - 0.21\, \mathrm{GeV}^{2}$ at the level of $\approx 7.5…

High Energy Physics - Phenomenology · Physics 2018-05-09 A. P. Samokhin , V. A. Petrov

The unitarily extended Bialas-Bzdak model of elastic proton-proton scattering is applied, without modifications, to describe the differential cross-section of elastic proton-antiproton collisions in the TeV energy range, and to extrapolate…

High Energy Physics - Phenomenology · Physics 2021-07-16 T. Csorgo , I. Szanyi

We investigate the scaling properties of elastic scattering data at ISR and LHC energies and find that the significance of an Odderon observation is larger than the discovery threshold of 5$\sigma$. As an unexpected by-product of these…

High Energy Physics - Phenomenology · Physics 2021-02-01 T. Csorgo , T. Novak , R. Pasechnik , A. Ster , I. Szanyi

We present the results of fitting all data for $pp$ and $\bar pp$ scattering at $\sqrt s \geq 9.7$ Gev and up to the collider energy with various analytic parametrizations of the elastic forward scattering amplitudes based on the derivative…

High Energy Physics - Phenomenology · Physics 2009-09-25 Kyungsik Kang , Sung Ku Kim

Utilizing the most recent experimental data, we reanalyze high energy \pbar p and pp data, using two distinct (and {\em dissimilar}) analysis techniques: (1) asymptotic amplitude analysis, under the assumption that we have reached…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. M. Block , F. Halzen , B. Margolis , A. R. White

A new method for the determination of the real part of the elastic scattering amplitude is examined for high energy proton-proton elastic scattering at small momentum transfer. This method allows us to decrease the number of model…

High Energy Physics - Phenomenology · Physics 2009-11-10 P. Gauron , B. Nicolescu , O. V. Selyugin

Considering the Froissart-Martin bound, Jin-Martin-Cornille bound and the optical theorem, we propose a novel parametrization for the total cross-section of proton-proton and antiproton-proton elastic scattering data. Using derivative…

High Energy Physics - Phenomenology · Physics 2010-11-30 S. D. Campos , V. A. Okorokov

The influence of relativistic contributions to elastic electron deuteron scattering is studied systematically at low and intermediate momentum transfers ($Q^2\leq 30$ fm$^{-2}$). In a $(p/M)$-expansion, all leading order relativistic…

Nuclear Theory · Physics 2009-10-31 Hartmuth Arenhoevel , Frank Ritz , Thomas Wilbois

Implications of the recent measurements of the parameter $\rho(s)$ (ratio of the real to imaginary parts of the forward scattering elastic amplitude) by TOTEM collaboration at $\sqrt{s}=13$ $TeV$ are discussed with emphasis on the rising…

High Energy Physics - Phenomenology · Physics 2018-10-15 S. M. Troshin , N. E. Tyurin

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

High Energy Physics - Phenomenology · Physics 2014-10-22 Anderson Kendi Kohara , Erasmo Ferreira , Takeshi Kodama

The hard pomeron component needed to reproduce small-x data seems to be present in elastic scattering at moderate energy. If this is the case, it is likely that the total cross section at the LHC will be appreciably larger than previously…

High Energy Physics - Phenomenology · Physics 2007-10-30 J. R. Cudell , A. Lengyel , E. Martynov , O. V. Selyugin

Experimental data on proton-proton interactions in high energy collisions show quite a special and unexpected behaviour of the proportion of elastic scattering compared to inelastic processes with increasing energy. It decreases at the…

High Energy Physics - Phenomenology · Physics 2017-08-02 I. M. Dremin

The analysis of the new TOTEM data at 13 TeV in a wide momentum transfer region reveals the unusual phenomenon - the presence in the elastic scattering amplitude of a term with a very large slope that is responsible for the behaviour of…

High Energy Physics - Phenomenology · Physics 2021-07-07 O. V. Selyugin

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