CRPropa 3.2: a framework for high-energy astroparticle propagation

Batista, Rafael Alves; Tjus, Julia Becker; Dörner, Julien; Dundovic, A.; Eichmann, B.; Frie, Antonius; Heiter, Christopher; Hoerbe, Mario R.; Kampert, Karl-Heinz; Merten, Lukas; Müller, G.; Reichherzer, Patrick; Saveliev, Andrey; Schlegel, Leander; Sigl, Günter; Vliet, A. van; Winchen, T.

doi:10.22323/1.395.0978

Cited by 3 publications

(3 citation statements)

References 33 publications

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“…However, they can be adapted to study transient HE to UHE neutrino emissions by considering the evolution of interaction backgrounds in successive time-bins 56,[65][66][67] , to identify timedependent signatures and predict coincidences or delay between emissions. Additional modules are developed, for instance in CRPropa, descriptions of Fermi acceleration, or EM cascades with thinning procedures to speed up the simulations 68 . Detailed studies of specific source classes can be performed, as well as large parameter-space scans are now within reach 69,70 .…”

Section: Methodsmentioning

confidence: 99%

“…At ultra-high energies the existence of appreciable fractions of other nuclear species is indicated by UHECR composition measurements 79 . This has led to the development of dedicated frameworks such as NeuCosmA [80][81][82] and CRPropa3 68,83 . Efforts are underway by several groups to produce coupled versions of cosmic-ray interaction and time-dependent radiative codes.…”

Section: Methodsmentioning

confidence: 99%

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High-energy neutrino transients and the future of multi-messenger astronomy

Guépin¹,

Kotera²,

Oikonomou³

2022

Preprint

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The recent discovery of high-energy astrophysical neutrinos and first hints of coincident electromagnetic and neutrino emission herald the beginning of the era of multi-messenger astronomy. Due to their high power, transient sources are expected to supply a significant fraction of the observed energetic astroparticles, through enhanced particle acceleration and interactions. Here, we review theoretical expectations of neutrino emission from transient astrophysical sources and the current and upcoming experimental landscape, highlighting the most promising channels for discovery and specifying their detectability.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

High-energy neutrino transients and the future of multi-messenger astronomy

Guépin¹,

Kotera²,

Oikonomou³

2022

Preprint

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“…References to some of the highlighted presentations were inserted by the author of this report: "Since magnetic fields affect a huge variety of processes, this session was quite diverse, including contributions from the first cosmological fields [1], to small-scale MHD turbulence [2] and everything in between. Common themes included: the coherence length of the magnetic field, how to generate it theoretically, model it numerically [3,4], or measure it observationally; the utility of multi-messenger information [5,6] and tools like CRPropa [7] that can model all the processes self-consistently; amazing new data such as polarized radio surveys of the halos of external galaxies and high-energy CR anisotropies probing magnetic field turbulence near the Sun [8]." Glennys Farrar, Tess Jaffe…”

Section: Magnetic Fields and Cr Propagationmentioning

confidence: 99%

Cosmic Ray Indirect Rapporteur Report (37th ICRC )

Abu‐Zayyad¹

2021

Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021)

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This report summarizes the physics results presented as part of the cosmic-ray indirect (CRI) session of the 37 th ICRC conference. Updated measurements on cosmic-ray energy spectrum, mass composition, and arrival direction distributions were presented by several collaborations, spanning the energy range of a few TeV up to the highest observed energies. We select some of the results which were highlighted by the respective discussion leaders or which presented new results at this conference. Results on atmospheric phenomena, including TGFs and thunderstorms are also presented. We see a few interesting trends in the presented data. Among these are, the increased use of IACT's to study cosmic-rays among experiments primarily intended for gamma-ray measurements. Another, is the continued development of radio detection of air showers. Multi-component detectors are becoming the preferred detection mode, as the knowledge of how to integrate the different information about an air shower collected by the different detector components improves. The main physics questions about the origins of cosmic rays, both galactic and extra-galactic, remain open. Increased statistics and improved analyses allow for refining and better constraining theoretical models, but no definitive answers can be claimed thus far. Looking forward, the field is moving at a rapid pace; Several detectors upgrades are underway, data is continually coming in and analyzed, old data being made public for a wider audience and a new generation of scientists to examine, with new tools and approaches that will hopefully result in new insights to help solve the open questions on cosmic-rays.

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Constraints on the intergalactic magnetic field fromFermi/LAT observations of the ‘pair echo’ of GRB 221009A

Vovk,

Korochkin,

Neronov

et al. 2024

A&A

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Delayed `pair-echo' signal from interactions of very-high-energy s in the intergalactic medium can be used for the detection of the intergalactic magnetic field (IGMF). We used the data of the Fermi/LAT telescope coupled with LHAASO observatory measurements to confirm the presence of IGMF along the line of sight to the burst Comparing the Fermi/LAT measurements with the expected level of the pair-echo flux, set by the multi-TeV LHAASO detection, we derived a lower bound $ $ G on the IGMF with correlation length $ l $ larger than 1 Mpc, improving as $ l^ $ for shorter correlation lengths. This provides an independent verification of the existence of a lower bound on IGMF in the voids of the large-scale structure, previously derived from the observations of active galactic nuclei.

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CRPropa 3.2: a framework for high-energy astroparticle propagation

Cited by 3 publications

References 33 publications

High-energy neutrino transients and the future of multi-messenger astronomy

High-energy neutrino transients and the future of multi-messenger astronomy

Cosmic Ray Indirect Rapporteur Report (37th ICRC )

Constraints on the intergalactic magnetic field fromFermi/LAT observations of the ‘pair echo’ of GRB 221009A

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