- 4240 - COSMIC RAYS - biggest ever found? The "God Particle", the Higgs Boson grants all other particles their masses. There's the so-called "Oh My God!" particle, an unimaginably energetic cosmic ray. But now we have a new particle. It's named the "sun goddess" particle.
--------------------- 4240 - COSMIC RAYS - biggest ever found?
- This particle has
an energy level one million times greater than what can be generated in even
humanity’s most powerful particle accelerators; it appears to have fallen to
Earth in a shower of other, less energetic particles.
-
- Like the "Oh
My God!" particle, these bits come from faraway regions of space and are
known as cosmic rays. The particle has been named "Amaterasu" after
the goddess of the sun and the universe in Japanese mythology, whose name means
"shining in heaven."
-
- We don’t know where
the particle came from or indeed what it is. We also still aren't sure what
kind of violent and powerful process could have given rise to something as
energetic. This is the most energetic
charged particle ever detected by the Telescope Array experiment.
-
- High-energy cosmic
rays are extremely rare to begin with.
The Amaterasu particle has an energy level not seen in a staggering 30
years of cosmic ray detections. The
researchers spotted Amaterasu with the Telescope Array experiment, involving
507 detectors spread across 270 square miles of the high desert of Millard
County.
-
- First on May 27,
2021, the Amaterasu particle exhibits an energy of 224 exa-electron volts
(EeV). One EeV is equivalent to 10^¹⁸
electron volts. This puts Amaterasu on a similar energy level to the most
energetic cosmic ray ever discovered.
The "Oh My God!" particle, which was detected in Octoger, 1991
by the Fly’s Eye camera in Dugway Proving Ground, Utah had an energy of 320
EeV.
-
- There isn’t an
astrophysical object, or any cosmic event, in the direction from which the sun
goddess particle appears to have come from. That's why scientists are pretty
unclear on what led to its creation. But, while the origins of the Amaterasu
particle may be currently unknown, astronomers have some avenues of
investigation to follow up on.
-
- One possibility is
the particle has been accelerated by extremely energetic phenomena, such as a
gamma-ray burst or a jet from a feeding supermassive black hole at the center
of active galactic nuclei.
-
- The team has been
hunting cosmic rays with the Telescope Array experiment in Utah since 2008, and
will now continue to do so with a fourfold improved sensitivity of the newly
upgraded project. They also expect other next-generation observatories to get
in on the cosmic-ray action to help scientists embark on a more detailed
investigation of the Amaterasu particle.
-
-
November 26, 2023 COSMIC
RAYS -
biggest ever found? 4240
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