Results 61 to 70 of about 1,100 (175)

Effectiveness of Multi-Layered Radiation Shields Constructed from Polyethylene and Metal Hydrides Using HZETRN and OLTARIS for Space Applications [PDF]

open access: yesفصلنامه علوم و فناوری فضایی
A major challenge for extended human spaceflights in deep space is the dangerous exposure to space radiation. These high-energy particles pose significant risks to astronaut health. To mitigate these risks, effective radiation shielding is essential.
Sreedevi VV, Kavita Lalwani
doaj   +1 more source

On the Potential Cosmogenic Origin of the Ultra-high-energy Event KM3-230213A

open access: yesThe Astrophysical Journal Letters
On 2023 February 13, the KM3NeT/ARCA telescope observed a track-like event compatible with a ultra-high-energy muon with an estimated energy of 120 PeV, produced by a neutrino with an even higher energy, making it the most energetic neutrino event ever ...
O. Adriani   +292 more
doaj   +1 more source

Where Did the Amaterasu Particle Come From?

open access: yesThe Astrophysical Journal Letters
The Telescope Array Collaboration recently reported the detection of a cosmic-ray particle, “Amaterasu,” with an extremely high energy of 2.4 × 10 ^20 eV. Here we investigate its probable charge and the locus of its production.
Michael Unger, Glennys R. Farrar
doaj   +1 more source

Modeling of radio emission from a particle cascade in a magnetic field and its experimental validation

open access: yesEPJ Web of Conferences, 2017
The SLAC T-510 experiment was designed to compare controlled laboratory measurements of radio emission of particle showers to predictions using particle-level simulations, which are relied upon in ultra-high-energy cosmic-ray air shower detection ...
Zilles Anne
doaj   +1 more source

Ultra-High-energy Cosmic Ray Production in Binary Neutron Star Mergers

open access: yesThe Astrophysical Journal Letters
Having previously argued that binary neutron star (BNS) mergers are the principle source of ultra-high-energy cosmic rays (UHECRs), we exploit here the highly constrained initial conditions to make quantitative predictions for the cutoff energy of ...
Glennys R. Farrar
doaj   +1 more source

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