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Ultra High Energy

All articles tagged with #ultra high energy

science29 days ago•4 min saved

Blazar Jets as Cosmic Neutrino Engines? New Record Points to Extreme Galaxies

A Mediterranean KM3NeT/ARCA detector captured a 220 PeV neutrino—the most energetic yet—sparking a study that points to blazars (jets from supermassive black holes aligned toward Earth) as likely accelerators. The team cross-checked with IceCube and Fermi data and noted no electromagnetic counterpart, suggesting a diffuse background of multiple sources rather than a single cataclysmic event. With KM3NeT expanding to full size, researchers expect more high-energy neutrinos to sharpen the origin story.

via ScienceAlert|

#astrophysics #blazars #km3net

science7 months ago•1 min saved

Record 220 PeV Cosmic Neutrino Detected on Earth

A 2023 detection by the KM3NeT/ARCA neutrino detector has confirmed a record-breaking 220 PeV cosmic neutrino event, likely of cosmogenic origin, highlighting the rarity and significance of ultra-high energy neutrino observations in Earth's oceans.

via Hackaday|

#220-pev #cosmic-rays #km3net

science8 months ago•4 min saved

Record-Breaking 'Ghost Particle' Hits Earth

Scientists detected a record-breaking 220 PeV neutrino using the KM3NeT detector deep in the Mediterranean Sea, marking the highest energy neutrino ever observed and opening new avenues in ultra-high-energy neutrino astronomy, though its exact origin remains uncertain.

via ScienceAlert|

#astronomy #cosmic-particle #km3net

astronomy2 years ago•6 min saved

Unexplained Ultra-High-Energy Cosmic Ray Baffles Astronomers

Astrophysicists at the University of Utah and the Telescope Array have detected ultra-high-energy cosmic rays, including the newly discovered Amaterasu particle, which challenge current understanding of particle physics. These particles have energies beyond theoretical limits and their origin and propagation remain a mystery. The Telescope Array, an ongoing research project, aims to unravel the unknown cosmic phenomena behind these rare cosmic rays.

via SciTechDaily|

#astronomy #astrophysics #cosmic-rays

astronomy2 years ago•6 min saved

Unraveling the Enigma of Powerful Cosmic Rays: Recent Discoveries and Perplexing Origins

The Telescope Array experiment has detected the second-highest-energy cosmic ray ever observed, with an energy equivalent to dropping a brick on your toe from waist height. The origin and mechanism of these ultra-high-energy cosmic rays remain unknown, as they surpass the theoretical limits of known sources. Researchers speculate that these rare phenomena may follow particle physics unknown to science. The Telescope Array is expanding its detectors to capture more events and shed light on the mystery.

via Phys.org|

#amaterasu-particle #astronomy #astrophysics

science2 years ago•6 min saved

"Unprecedented Cosmic Ray Strikes Utah, Originating from Deep Space"

The Telescope Array, a collaboration between the University of Utah and the University of Tokyo, has detected the second-highest extreme-energy cosmic ray ever observed. Dubbed the "Amaterasu particle," this subatomic particle has an energy equivalent to dropping a brick on your toe from waist height. The origin of these ultra-high-energy cosmic rays remains a mystery, as they surpass the theoretical limit for cosmic ray energy and come from seemingly empty areas of space. Researchers speculate that unknown particle physics or defects in spacetime could be responsible. The Telescope Array is expanding its detectors in hopes of capturing more events and gaining further insights into these phenomena.

via @theU|

#astrophysics #cosmic-rays #particle-physics