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A comparative analysis of the secondary particles output of the main hadronic interaction packages used in simulations of extensive air showers is presented. Special attention is given to the study of events with very energetic leading…

High Energy Astrophysical Phenomena · Physics 2009-03-24 C. A. Garcia Canal , S. J. Sciutto , T. Tarutina

We discuss scaling properties of the elastic $pp$ cross-section both at the ISR and the LHC. We observe that the ratio of bump to dip positions of the differential cross-section $d\sigma_{\rm el}/dt$ is constant over a wide energy range. We…

High Energy Physics - Phenomenology · Physics 2025-01-27 Michał Praszałowicz , Cristian Baldenegro , Christophe Royon , Anna M. Staśto

We discuss the unitarity motivated relations among the elastic cross-section, slope parameter and inelastic cross-section of the high energy \textit{pp} interaction. In particular, the MacDowell-Martin unitarity bound is written down in…

High Energy Physics - Phenomenology · Physics 2018-09-26 A. P. Samokhin

New methods have been developed for extracting the parameters of diffraction scattering amplitude, $\sigma_{tot}$ and $\rho=Re F_N/Im F_N$, from experimental data. The latter determines these parameters with less errors and without the…

High Energy Physics - Phenomenology · Physics 2009-11-07 O. V. Selyugin

The diffraction slope parameter is investigated for elastic proton-proton and proton-antiproton scattering based on the all available experimental data at low momentum transfer values. Energy dependence of the elastic diffraction slopes is…

High Energy Physics - Phenomenology · Physics 2008-11-12 V. A. Okorokov

An analysis of p-air cross section data from Extensive Air Shower (EAS) measurements is presented, based on an analytical representation of the pp scattering amplitudes that describes with high precision all available accelerator data at…

High Energy Physics - Phenomenology · Physics 2015-06-22 A. Kendi Kohara , Erasmo Ferreira , Takeshi Kodama

Very high energy cosmic rays are typically studied by measuring extensive air showers formed by secondary particles produced in collisions with air nuclei. The indirect character of the measurement makes the physics interpretation of cosmic…

High Energy Physics - Phenomenology · Physics 2014-11-17 Ralph Engel

The nonperturbative approach to soft high-energy hadron-hadron scattering, based on the analytic continuation of Wilson-loop correlation functions from Euclidean to Minkowskian theory, allows to investigate the asymptotic energy dependence…

High Energy Physics - Phenomenology · Physics 2015-06-04 Matteo Giordano , Enrico Meggiolaro , Niccolò Moretti

Dominant contributions of enhanced Pomeron diagrams to elastic hadron-hadron scattering amplitude are re-summed to all orders. The formalism is applied to calculate total hadronic cross sections and elastic scattering slopes. An agreement…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. Ostapchenko

Predictions of the hadronic interaction model EPOS~1.61 as implemented in the air shower simulation program CORSIKA are compared to observations with the KASCADE experiment. The investigations reveal that the predictions of EPOS are not…

High Energy Astrophysical Phenomena · Physics 2012-08-27 Grande Collaboration , W. D. Apel

All contemporary phenomenological models of elastic hadronic scattering have been based in principle on the assumption of optical theorem validity that has been overtaken from optics. It will be shown that the given theorem which has not…

Nuclear Theory · Physics 2014-08-13 Milos V. Lokajicek , Vojtech Kundrat , Jiri Prochazka

The energy dependence of various hadronic observables is reviewed. The study of their evolution from AGS over SPS to the highest RHIC energy reveals interesting features, which might locate a possible onset of deconfinement. These…

Nuclear Experiment · Physics 2009-09-29 C. Blume

We construct a language for identifying kinematical regions of transversely differential semi-inclusive deep inelastic scattering cross sections with particular underlying partonic pictures, especially in regions of moderate to low $Q$…

High Energy Physics - Phenomenology · Physics 2019-11-01 M. Boglione , A. Dotson , L. Gamberg , S. Gordon , J. O. Gonzalez-Hernandez , A. Prokudin , T. C. Rogers , N. Sato

Total and differential cross sections for high energy and small momentum transfer elastic hadron-hadron scattering are studied in QCD using a functional integral approach. The hadronic amplitudes are governed by vacuum expectation values of…

High Energy Physics - Phenomenology · Physics 2016-09-06 E. R. Berger , O. Nachtmann

We present a vision for the next decade of hadron physics in which the central question being addressed is how one might win new physical insight into the way hadronic systems work. The topics addressed include the relevance of model…

Nuclear Theory · Physics 2015-06-19 A. W. Thomas

We show that the proton-proton elastic differential cross section data at dip position and beyond can be quite well described by a parametrization based on the Tsallis distribution, with only five free fit parameters. Extrapolation of the…

High Energy Physics - Phenomenology · Physics 2015-06-04 D. A. Fagundes , M. J. Menon , P. V. R. G. Silva

The purpose of this review it to present a renewed perspective of the problem of self-gravitating elastic bodies under spherical symmetry. It is also a companion to the papers [Phys. Rev. D105, 044025 (2022)], [Phys. Rev. D106, L041502…

General Relativity and Quantum Cosmology · Physics 2024-04-05 Artur Alho , José Natário , Paolo Pani , Guilherme Raposo

This report discusses some results on differential cross sections for high energy and small momentum transfer elastic hadron-hadron scattering in QCD, using a functional integral approach. In particulary a matrix cumulant expansion for the…

High Energy Physics - Phenomenology · Physics 2016-09-06 E. R. Berger

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

This work is an attempt to give a brief overview of the implementation of the statistical ther- modynamics to hadronic matter. The possibility to use the hydrodynamic approach for developing the physical model of the formation of exotic…

Nuclear Theory · Physics 2015-09-23 K. V. Cherevko , L. L. Jenkovszky , V. M. Sysoev , Feng-Shou Zhang
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