Found 535 results, showing the newest relevant preprints. Sort by relevancy only.Update me on new preprints

Ultrahigh-energy cosmic ray interactions as the origin of very high energy $\gamma-$rays from BL Lacs

We explain the observed multiwavelength photon spectrum of a number of BL Lac objects detected at very high energy (VHE, $E \gtrsim 30$ GeV), using a lepto-hadronic emission model. Expand abstract.
8 days ago
9/10 relevant
arXiv

Signatures of Dark Matter in Cosmic-Ray Observations

I provide a short review of the current status of indirect dark matter searches with gamma rays, charged cosmic rays and neutrinos. Expand abstract.
8 days ago
10/10 relevant
arXiv

Contribution of starburst nuclei to the diffuse gamma-ray and neutrino flux

In nuclei of starburst galaxies, the combination of an enhanced rate of supernova explosions and a high gas density suggests that cosmic rays can be efficiently produced, and that most of them lose their energy before escaping these regions, resulting in a large flux of secondary products, including neutrinos. Expand abstract.
8 days ago
7/10 relevant
arXiv

Deciphering the local Interstellar spectra of secondary nuclei with GALPROP/HelMod framework and a hint for primary lithium in cosmic rays

Local interstellar spectra (LIS) of secondary cosmic ray (CR) nuclei, lithium, beryllium, boron, and partially secondary nitrogen, are derived in the rigidity range from 10 MV to ~200 TV using the most recent experimental results combined with the state-of-the-art models for CR propagation in the Galaxy and in the... Expand abstract.
14 days ago
9/10 relevant
arXiv

Contributions of the LOFAR Cosmic Ray Key Science Project to the 36th International Cosmic Ray Conference (ICRC 2019)

This is a collection of papers that have been contributed by the LOFAR Cosmic Ray Key Science Project (CRKSP) to the 36th International Cosmic Ray Conference held in Madison, Wisconsin, on July 24th to August 1st, 2019 (ICRC 2019). Expand abstract.
15 days ago
7/10 relevant
arXiv

Cosmic Ray Driven Outflows from the Large Magellanic Cloud: Contributions to the LMC Filament

We run a parameter set of simulations for different LMC gas masses and cosmic ray transport treatments, and we make preliminary comparisons to published outflow flux estimates, neutral and ionized hydrogen observations, and Faraday rotation measure maps. Expand abstract.
17 days ago
8/10 relevant
arXiv

The effects of cosmic rays on the formation of Milky Way-like galaxies in a cosmological context

We investigate the impact of cosmic rays (CR) and different modes of CR transport on the properties of Milky Way-like galaxies in cosmological magneto-hydrodynamical simulations in the context of the AURIGA project. Expand abstract.
22 days ago
7/10 relevant
arXiv

Cosmic Rays and the Chiral Puzzle of Life

It is argued that the specific, binary choice made is not an accident but is a consequence of parity violation in the weak interaction expressed by cosmic irradiation. Expand abstract.
23 days ago
8/10 relevant
arXiv

A Neutral Beam Model for High-Energy Neutrino Emission from the Blazar TXS 0506+056

The IceCube collaboration reported a $\sim 3.5\sigma$ excess of $13\pm5$ neutrino events in the direction of the blazar TXS 0506+56 during a $\sim$6 month period in 2014-2015, as well as the ($\sim3\sigma$) detection of a high-energy muon neutrino during an electromagnetic flare in 2017. Expand abstract.
29 days ago
4/10 relevant
arXiv

Classifying the Cosmic-Ray Proton and Light Groups on the LHAASO-KM2A Experiment with the Graph Neural Network

In this work, we propose a fused Graph Neural Network model in combination of the KM2A arrays, in which the activated detectors are structured into graphs. Expand abstract.
37 days ago
7/10 relevant
arXiv