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Related papers: New Developments of EPOS 2

200 papers

The evolution of the muon content of very high energy air showers (EAS) in the atmosphere is investigated with data of the KASCADE-Grande observatory. For this purpose, the muon attenuation length in the atmosphere is obtained to…

Recently the AMS-02 collaboration has published the measurement of the cosmic antiproton to proton ratio $\bar{p}/p$ and the $\bar{p}$ flux with a high precision up to $\sim 450\,\mathrm{GeV}$. In this work, we perform a systematic analysis…

High Energy Astrophysical Phenomena · Physics 2017-12-27 Su-Jie Lin , Xiao-Jun Bi , Jie Feng , Peng-Fei Yin , Zhao-Huan Yu

Model calculations are performed of extensive air shower (EAS) component energies using a variety of hadronic interaction parameters. A conversion factor from electromagnetic component energy to the energy of ultra-high energy cosmic rays…

Astrophysics · Physics 2008-03-24 A. A. Ivanov

The influence of high and low energy hadronic models on lateral distribution functions of cosmic ray air showers for AUGER energies is explored. A large variety of presently used high and low energy hadron interaction models are analysed…

Astrophysics · Physics 2009-11-10 Hans-Joachim Drescher , Marcus Bleicher , Sven Soff , Horst Stoecker

We extend a quantum kinetic approach to the description of hadronic showers in space, time and momentum space to deep-inelastic $ep$ collisions, with particular reference to experiments at HERA. We follow the history of hard scattering…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis , Klaus Geiger , Henryk Kowalski

The Pythia event generator is used in several contexts to study hadron and lepton interactions, notably $pp$ and $p\bar{p}$ collisions. In this article we extend the hadronic modelling to encompass the collision of a wide range of hadrons…

High Energy Physics - Phenomenology · Physics 2022-01-26 Torbjörn Sjöstrand , Marius Utheim

The status of some popular models to simulate hadronic and nuclear interactions at Cosmic Ray energies is reviewed. The models predict the rise of all the hadronic and nuclear cross sections with energy and a smooth (logarithmic) rise of…

High Energy Physics - Phenomenology · Physics 2009-10-30 J. Ranft

We evaluate the consistency of hadronic interaction models in the CORSIKA simulation package with publicly available fluorescence telescope data from the Pierre Auger Observatory. By comparing the first few central moments of the extended…

High Energy Astrophysical Phenomena · Physics 2024-11-18 Blaž Bortolato , Jernej F. Kamenik , Michele Tammaro

Motivated by the excess of the muon content of cosmic ray induced extensive air showers (EAS), relative to EAS modeling, observed by the Pierre Auger Observatory, and by the tension between Auger data and air shower simulations on the…

High Energy Physics - Phenomenology · Physics 2024-06-21 Sergey Ostapchenko , Günter Sigl

It has been shown that muon flux intensities calculated in terms of the EPOS LHC and EPOS 1.99 models at the energy of 10^4 GeV exceed the data of the classical experiments L3+Cosmic, MACRO and LVD on the spectra of atmospheric muons by a…

High Energy Astrophysical Phenomena · Physics 2015-04-28 L. G. Dedenko , G. F. Fedorova , T. M. Roganova

The event generator Sibyll can be used for the simulation of hadronic multiparticle production up to the highest cosmic ray energies. It is optimized for providing an economic description of those aspects of the expected hadronic final…

High Energy Physics - Phenomenology · Physics 2015-10-05 Felix Riehn , Ralph Engel , Anatoli Fedynitch , Thomas K. Gaisser , Todor Stanev

The recent observations of muon charge ratio up to about 10 TeV and of atmospheric neutrinos up to energies of about 400 TeV has triggered a renewed interest into the high-energy interaction models and cosmic ray primary composition. A…

High Energy Astrophysical Phenomena · Physics 2013-04-23 Anatoli Fedynitch , Julia Becker Tjus , Paolo Desiati

In extensive air shower experiments, the number of muons crossing a detector at a given position, as well as their arrival time, arrival direction, and energy, are determined by a more fundamental 3-dimensional distribution linked to the…

High Energy Physics - Phenomenology · Physics 2023-03-15 Lorenzo Cazon , Rúben Conceição , Felix Riehn

An almost model-independent parametrization for the ratio of the total hadronic cross section to elastic slope is discussed. Its applicability in studies of asymptotia and analyses of extensive air shower in cosmic-ray physics is also…

High Energy Physics - Phenomenology · Physics 2015-06-11 D. A. Fagundes , M. J. Menon

Our recently developed 2+1 (boost-invariant) hydrodynamic model has been presented and used to i) describe the soft hadronic data collected in the central region of the relativistic heavy-ion collisions at RHIC and ii) to make predictions…

Nuclear Theory · Physics 2011-02-02 Mikolaj Chojnacki

Microscopic studies of nuclear matter under diverse conditions of density and asymmetry are of great contemporary interest. Concerning terrestrial applications, they relate to future experimental facilities that will make it possible to…

Nuclear Theory · Physics 2017-08-23 F. Sammarruca

Characteristics of the high energy families (bundle of high energy e, gamma) and hadrons in the air-showers detected in the hybrid experiment together with emulsion chamber and AS-array at Mt.Chacaltaya are studied in detail by comparing…

High Energy Astrophysical Phenomena · Physics 2010-10-14 M. Tamada

The physics content of the QGSJET-III Monte Carlo model of high energy hadronic interactions is briefly described. The predictions of the model for extensive air shower characteristics are presented in comparison to the corresponding…

High Energy Physics - Phenomenology · Physics 2024-11-06 Sergey Ostapchenko

In this work we argue that, in the interpretation of the energy dependence of the depth of the shower maximum and of the muon content in high energy cosmic ray showers ($E > 10^{17}$ eV), other variables besides the composition may play an…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Alvarez-Muniz , P. Brogueira , R. Conceicao , J. Dias de Deus , M. C. Espirito Santo , M. Pimenta

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