activity
20242026
collaborators

5 papers

hep-ph2026

Addressing uncertainties of model predictions for extensive air showers initiated by high energy cosmic rays

Sergey Ostapchenko, Tanguy Pierog, Günter Sigl

A new Monte Carlo generator of hadronic collisions, QGSb, is applied for studying model uncertainties regarding calculations of the development of extensive air showers (EAS) initi…

hep-ph2026

How uncertain are model predictions for the muon content of extensive air showers

Sergey Ostapchenko

The relation of model predictions for muon content of extensive air showers (EAS) to particular properties of hadron-air interactions is discussed. Further, using a new Monte Carlo…

hep-ph2026

A basic model for high energy cosmic ray interactions

Sergey Ostapchenko, Tanguy Pierog, Günter Sigl

A Monte Carlo generator of high energy cosmic ray interactions, relying on a very basic and transparent theoretical formalism, in the framework of the Reggeon Field Theory, is pres…

hep-ph2025

Charmed hadron production in the QGSJET-III model: relevance to calculations of the prompt atmospheric neutrino background

Sergey Ostapchenko, Günter Sigl

The treatment of charmed hadron production in the framework of the QGSJET-III Monte Carlo generator is developed, including both perturbative and nonperturbative contributions. For…

hep-ph2024

QGSJET-III: predictions for extensive air shower characteristics and the corresponding uncertainties

Sergey Ostapchenko

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 characteris…