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Resolution of (heavy) primaries in ultra high energy cosmic rays
Published 2024-12-01“…Abstract Measurements of ultra-high energy cosmic rays (UHECR) suggest a complex composition with significant contributions from heavy nuclei at the highest energies. …”
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The Multimessenger Contribution of Ultra-High-Energy Cosmic Rays from Gamma-Ray Bursts
Published 2025-01-01“…It has long been debated whether gamma-ray bursts (GRBs) could serve as potential sources of ultra-high-energy cosmic rays (UHECRs). In this study, we consider GRBs as sources of UHECR injection with an injection index of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>α</mi><mo>=</mo><mn>2</mn></mrow></semantics></math></inline-formula> and propagate them through the extragalactic magnetic field within the framework of CRPropa 3. …”
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Ultra high energy cosmic rays versus models of high energy hadronic interactions
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Large-scale Cosmic-ray Anisotropies with 19 yr of Data from the Pierre Auger Observatory
Published 2024-01-01“…Results are presented for the measurement of large-scale anisotropies in the arrival directions of ultra–high-energy cosmic rays detected at the Pierre Auger Observatory during 19 yr of operation, prior to AugerPrime, the upgrade of the observatory. …”
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