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We discuss the profile of the impact--parameter dependent elastic scattering amplitude. Extraction of impact-parameter dependence from the dataset with inclusion of the experimental data on elastic scattering at the LHC energies helps to…

High Energy Physics - Phenomenology · Physics 2015-06-19 A. Alkin , E. Martynov , O. Kovalenko , S. M. Troshin

We comment on phase selection of the scattering amplitude, emphasizing that the elastic overlap function should have a central impact parameter profile at high energies and highlighting the role of the reflective scattering mode at the LHC…

High Energy Physics - Phenomenology · Physics 2021-03-10 S. M. Troshin , N. E. Tyurin

We revisit a discussion on the impact-parameter dependence of proton-proton elastic scattering amplitude with improved uncertainty calculation. This analysis allows to reveal the asymptotic properties of hadron interactions. New data…

High Energy Physics - Phenomenology · Physics 2018-11-20 A. Alkin , E. Martynov , O. Kovalenko , S. M. Troshin

We use an almost model-independent analytical parameterization for $pp$ and $\bar{p}p$ elastic scattering data to analyze the eikonal, profile, and inelastic overlap functions in the impact parameter space. Error propagation in the fit…

High Energy Physics - Phenomenology · Physics 2014-11-21 S. D. Campos

The problems linked to the extraction of the basic parameters of the hadron elastic scattering amplitude at the LHC are explored. The impact of the Black Disk Limit (BDL)$-$ which constitutes a new regime of the scattering processes - on…

High Energy Physics - Phenomenology · Physics 2007-09-04 O. V. Selyugin , J. -R. Cudell

New experimental data about proton-proton collisions obtained atthe LHC allow to widen strongly the energy interval where one gets some knowledge about the structure of their interaction region. Using the unitarity relation in combination…

High Energy Physics - Phenomenology · Physics 2016-11-25 I. M. Dremin

The analysis of current ultrahigh energy data for hadronic total cross sections and diffractive scattering cross sections points to a steady growth of the optical density with energy for elastic scattering amplitudes in the impact parameter…

High Energy Physics - Phenomenology · Physics 2015-06-22 V. V. Anisovich , V. A. Nikonov , J. Nyiri

We make a detailed eikonal fit to current data on the total and elastic scattering cross sections, the ratios $\rho$ of the real to the imaginary parts of the forward elastic scattering amplitudes, and the logarithmic slopes $B$ of the…

High Energy Physics - Phenomenology · Physics 2015-07-15 Martin M. Block , Loyal Durand , Phuoc Ha , Francis Halzen

The elastic and inelastic profiles have been derived from the measured elastic differential cross section data with the help of exact impact parameter representation of elastic scattering amplitude. The results obtained for $pp$ scattering…

High Energy Physics - Phenomenology · Physics 2007-05-23 Vojtech Kundrat , Milos Lokajicek , D. Krupa

We have investigated several models of Pomeron and Odderon contributions to high energy elastic $pp$ and $\bar p p$ scattering. The questions we address concern their role in this field, the behavior of the scattering amplitude (or of the…

High Energy Physics - Phenomenology · Physics 2009-01-07 P. Desgrolard , M. Giffon , E. Martynov , E. Predazzi

We describe data on elastic $pp$ scattering at ISR and LHC energies using the analytical representation of the amplitude as the sum of three exponentials equipped with complex phases. In addition, we take into account the Coulomb and…

High Energy Physics - Phenomenology · Physics 2023-11-17 M. L. Nekrasov

We discuss geometrical picture of hadron interactions and, in particular, the presence of energy--invariant edge in elastic scattering resulting from a transition to the reflective scattering mode which is supported by the recent LHC data.…

High Energy Physics - Phenomenology · Physics 2016-01-07 S. M. Troshin , N. E. Tyurin

We describe the main features of recent LHC data on elastic pp scattering through a simple parametrization to the amplitude, inspired by a model proposed by Barger and Phillips in 1973, comprising of two exponentials with a relative phase.…

High Energy Physics - Phenomenology · Physics 2013-12-04 Daniel A. Fagundes , Agnes Grau , Simone Pacetti , Giulia Pancheri , Yogendra N. Srivastava

Surprisingly enough, the ratio of elastic to inelastic cross sections of proton interactions increases with energy in the interval correspond- ing to ISR - LHC (i.e. from 10 GeV to 10 TeV). That leads to special features of their spatial…

High Energy Physics - Phenomenology · Physics 2017-12-29 I. M. Dremin , V. A. Nechitailo , S. N. White

The measurements of high energy \bar p p and pp elastic at ISR, SPS and Tevatron colliders have provided usefull informations on the behavior of the scattering amplitude. A large step in energy domain is accomplished with the LHC collider…

High Energy Physics - Phenomenology · Physics 2015-06-15 Jacques Soffer

On the basis of the representation of the generalized structure of nucleons a new model of the hadron interaction at high energies is presented. The new t-dependence of the generalized parton distributions (GPDs) is obtained from the…

High Energy Physics - Phenomenology · Physics 2015-10-13 O. V. Selyugin

We discuss effects of reflective scattering for hadron and heavy nuclei collisions at the LHC and asymptotical energies. It is shown that the reflective scattering might lead to decreasing matter density with energy beyond the LHC energies.…

High Energy Physics - Phenomenology · Physics 2009-09-23 Sergey Troshin , Nikolay Tyurin

Colliding high energy hadrons either produce new particles or scatter elastically with their quantum numbers conserved and no other particles produced. We consider the latter case here. Although inelastic processes dominate at high…

High Energy Physics - Phenomenology · Physics 2015-06-05 I. M. Dremin

We discuss thw relations between the elastic and inelastic cross-sections valid for the shadow and reflective modes of the elastic scattering. Considerations are based on the unitarity arguments. It is shown that the redistribution of the…

High Energy Physics - Phenomenology · Physics 2019-07-23 S. M. Troshin , N. E. Tyurin

In the absence of a global description of the experimental data on elastic and soft diffractive scattering from the first principles of QCD, model-independent analyses may provide useful phenomenological insights for the development of the…

High Energy Physics - Phenomenology · Physics 2016-03-08 D. A. Fagundes , M. J. Menon , P. V. R. G. Silva
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