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View article: CRPropa 3.3: Toward a Unified Multi-Messenger Framework from GeV to ZeV Energies
CRPropa 3.3: Toward a Unified Multi-Messenger Framework from GeV to ZeV Energies Open
We present CRPropa 3.3, the latest release of the publicly available Monte Carlo framework for simulating the propagation of high-energy particles in astrophysical environments. This version introduces significant extensions that enables m…
View article: Road map for the tuning of hadronic interaction models with accelerator-based and astroparticle data
Road map for the tuning of hadronic interaction models with accelerator-based and astroparticle data Open
In high-energy and astroparticle physics, event generators play an essential role, even in the simplest data analyses. As analysis techniques become more sophisticated, e.g. based on deep neural networks, their correct description of the o…
View article: CRPropa 3.3: Toward a Unified Multi-Messenger Framework from GeV to ZeV Energies
CRPropa 3.3: Toward a Unified Multi-Messenger Framework from GeV to ZeV Energies Open
We present CRPropa 3.3, the latest release of the publicly available Monte Carlo framework for simulating the propagation of high-energy particles in astrophysical environments. This version introduces significant extensions that enables m…
View article: Uncertainties in astrophysical gamma-ray and neutrino fluxes from proton-proton cross-sections in the GeV to PeV range
Uncertainties in astrophysical gamma-ray and neutrino fluxes from proton-proton cross-sections in the GeV to PeV range Open
The identification of Cosmic Ray (CR) sources represents one of the biggest and long-standing questions in astrophysics. Direct measurements of cosmic rays cannot provide directional information due to their deflection in (extra)galactic m…
View article: Precision cross-sections for advancing cosmic-ray physics. Input to the 2026 ESPPU from the XSCRC community
Precision cross-sections for advancing cosmic-ray physics. Input to the 2026 ESPPU from the XSCRC community Open
The latest generation of cosmic-ray direct detection experiments is providing a wealth of high-precision data, stimulating a very rich and active debate in the community on the related strong discovery and constraining potentials on many t…
View article: Stochastic description of UHECR interactions
Stochastic description of UHECR interactions Open
Photointeractions of ultra-high energy cosmic rays (UHECRs) in astro-physical scenarios are in general of stochastic nature and are often modeled with Monte Carlo methods to obtain the form of the distributions resulting from a sequence of…
View article: Uncertainties in astrophysical gamma-ray and neutrino fluxes from proton-proton cross-sections in the GeV to PeV range
Uncertainties in astrophysical gamma-ray and neutrino fluxes from proton-proton cross-sections in the GeV to PeV range Open
The identification of Cosmic Ray (CR) sources represents one of the biggest and long-standing questions in astrophysics. Direct measurements of cosmic rays cannot provide directional information due to their deflection in (extra)galactic m…
View article: Modified Temperature–Redshift Relation and Ultra-high-energy Cosmic Ray Propagation
Modified Temperature–Redshift Relation and Ultra-high-energy Cosmic Ray Propagation Open
We reexamine the interactions of ultra-high-energy cosmic rays (UHECRs) with photons from the cosmic microwave background (CMB) under a changed, locally nonlinear temperature–redshift relation T ( z ). This changed temperature–redshift rel…
View article: Modified temperature redshift relation and UHECR propagation
Modified temperature redshift relation and UHECR propagation Open
We re-examine the interactions of ultra-high energy cosmic rays (UHECRs) with photons from the cosmic microwave background (CMB) under a changed, locally non-linear temperature redshift relation $T(z)$. This changed temperature redshift re…
View article: Propagation of Ultra High-Energy Cosmic Rays in light of the latest EBL constraints
Propagation of Ultra High-Energy Cosmic Rays in light of the latest EBL constraints Open
Recent progress in measurements and modeling of the Extragalactic Background Light (EBL) has placed considerable constraints on its spectral density. These constraints are particularly relevant for the propagation of Ultra-High Energy Cosm…
View article: Probability distributions for UHECRs propagation
Probability distributions for UHECRs propagation Open
Results from the Pierre Auger Observatory indicate that nuclei make a sizeable part of the observed flux of ultra-high energy cosmic rays (UHECRs). The theoretical study of both in-source and extra-galactic propagation requires detailed un…
View article: Implementing hadronic interactions in CRPropa to study bursting sources of UHECRs
Implementing hadronic interactions in CRPropa to study bursting sources of UHECRs Open
The study of Ultra-High Energy Cosmic Rays (UHECRs) via the multi-messenger approach is reaching a level that requires going beyond steady-state sources. Meeting this challenge requires improvements of the existing tools and defining new m…
View article: The impact of a modified CMB photon density on UHECR propagation
The impact of a modified CMB photon density on UHECR propagation Open
The existing discrepancies between the observation of local and extraction of global cosmological parameters motivate an extension of the $\Lambda$CDM cosmological model. A proposed extension called SU(2)$_\rm{CMB}$ describes cosmic microw…
View article: Numerical studies of a layered lithium-boron target for laser-driven aneutronic fusion reactions
Numerical studies of a layered lithium-boron target for laser-driven aneutronic fusion reactions Open
This paper explores a novel target design for laser-driven, aneutronic, proton-boron and proton-lithium fusion reactions consisting of a stack of boron and lithium foils. In contrast to a homogeneous target, this multi-layer setup provides…
View article: Astrophysical neutrino production and impact of associated uncertainties in photo-hadronic interactions of UHECRs
Astrophysical neutrino production and impact of associated uncertainties in photo-hadronic interactions of UHECRs Open
High energy neutrinos can be produced by interactions of ultra-high energy cosmic rays (UHECRs) in the dense radiation fields of their sources as well as off the cosmic backgrounds when they propagate through the universe. Multi-messenger …
View article: P3: An installation for high-energy density plasma physics and ultra-high intensity laser–matter interaction at ELI-Beamlines
P3: An installation for high-energy density plasma physics and ultra-high intensity laser–matter interaction at ELI-Beamlines Open
ELI-Beamlines (ELI-BL), one of the three pillars of the Extreme Light Infrastructure endeavour, will be in a unique position to perform research in high-energy-density-physics (HEDP), plasma physics and ultra-high intensity (UHI) (1022W/cm…