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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

This review describes the development of the physics of hadronic cross sections up to recent LHC results and cosmic ray experiments. We present here a comprehensive review - written with a historical perspective - about total cross-sections…

High Energy Physics - Phenomenology · Physics 2017-04-05 Giulia Pancheri , Yogendra N. Srivastava

The rise of the total, elastic and inelastic hadronic cross sections at high energies is investigated by means of an analytical parametrization, with the exponent of the leading logarithm contribution as a free fit parameter. Using…

High Energy Physics - Phenomenology · Physics 2013-05-07 D. A. Fagundes , M. J. Menon , P. V. R. G. Silva

Recent analysis of the cosmic ray data together with earlier experimental measurements at ISR and SPS provides us a sound footing to discuss the behavior of total cross section at asymptotic energies. We will study the growth of total cross…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sohail Afzal Tahir , M. Ayub Faridi , Qadeer Afzal , Haris Rashid , Fazal-e-Aleem

General physics of very high energy hadronic interactions is discussed. Special attention is payed to the contribution of semihard processes to the interaction dynamics and to the role of parton shadowing and parton density saturation. In…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Ostapchenko

The ratio of elastic to total proton cross sections is related to the darkness of the spatial profile of inelastic interactions by a single parameter in the framework of a simple analytical model. Their critical values at LHC energies are…

High Energy Physics - Phenomenology · Physics 2017-04-10 I. M. Dremin

Total cross-sections and logarithmic slopes of the elastic scattering cross-sections for different hadronic processes are calculated in the framework of the model of the stochastic vacuum. The relevant parameters of this model, a…

High Energy Physics - Phenomenology · Physics 2009-09-25 H. G. Dosch , Erasmo Ferreira , A. Krämer

Hadronic cross sections at ultra-high energy have a significant impact on the development of extensive air shower cascades. Therefore the interpretation of air shower data depends critically on hadronic interaction models that extrapolate…

High Energy Astrophysical Phenomena · Physics 2009-12-08 Ralf Ulrich , Ralph Engel , Steffen Müller , Fabian Schüssler , Michael Unger

We present a method to test the impact of ad-hoc modifications of some of the generic parameters of hadronic interactions -- cross section, elasticity, and multiplicity -- on any observable quantity using full 3-dimensional simulations of…

High Energy Astrophysical Phenomena · Physics 2026-01-21 Jiří Blažek , Jan Ebr , Jakub Vícha , Eva dos Santos , Tanguy Pierog , Ralf Ulrich

In a previous work a novel parametrization was proposed for the $pp$ and $\bar{p}p$ total cross section. Here, results are presented for analysis updated with taken into account the recent data from accelerator experiments as well as from…

High Energy Physics - Phenomenology · Physics 2017-10-17 V. A. Okorokov , S. D. Campos

The paper presents the phenomenological analysis of the energy dependence for the ratio of elastic to total cross section in proton-proton and antiproton-proton scattering. The analytic functions based on the study of low- and high-energy…

High Energy Physics - Phenomenology · Physics 2019-04-11 V. A. Okorokov

Contemporary models of hadronic interactions are reviewed. Basic phenomenological approaches are compared, with an emphasizes on the predicted air shower characteristics. Special attention is payed to the remaining discrepancies between…

High Energy Physics - Phenomenology · Physics 2015-06-25 S. Ostapchenko

Elastic proton-proton collisions represent probably the greatest ensemble of available measured data, the analysis of which may provide large amount of new physical results concerning fundamental particles. It is, however, necessary to…

High Energy Physics - Phenomenology · Physics 2022-03-14 Jiri Prochazka , Milos V. Lokajicek , Vojtech Kundrat

There are both theoretical and experimental uncertainties in using data from cosmic-ray air showers to estimate hadronic cross sections above accelerator energies. We outline these problems and compare the physics used to extract…

High Energy Physics - Phenomenology · Physics 2011-05-12 Ralph Engel , T. K. Gaisser , Paolo Lipari , Todor Stanev

The status of present theoretical description of very high energy hadronic interactions is reviewed. The impact of new results of accelerator and cosmic ray experiments on hadronic interaction model constructions is discussed in detail.…

Astrophysics · Physics 2008-11-26 Sergey Ostapchenko

Detailed theoretical study of the mean square radius of extensive air shower electrons has been made in connection with further development of scaling formalism for electron lateral distribution function. A very simple approximation…

Astrophysics · Physics 2007-05-23 R. I. Raikin , A. A. Lagutin , N. Inoue , A. Misaki

The description of high-energy hadronic interactions plays an important role in the (astrophysical) interpretation of air shower data. The parameter space important for the development of air showers (energy and kinematical range) extends…

High Energy Astrophysical Phenomena · Physics 2015-06-30 J. R. Hoerandel

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

We discuss whether the behaviour of some hadronic quantities, such as the total cross-section, the ratio of the elastic to the total cross-section, are presently exhibiting the asymptotic behaviour expected at very large energies. We find…

High Energy Physics - Phenomenology · Physics 2015-06-12 G. Pancheri , D. A. Fagundes , A. Grau , S. Pacetti , Y. N. Srivastava

The differential cross-sections are calculated for proton-proton and proton-antiproton elastic scattering using the phenomenological model based on the analytic parameterizations for global scattering parameters (total cross-section and…

High Energy Physics - Phenomenology · Physics 2007-11-15 V. A. Okorokov , S. B. Nurushev
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