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IceCube detection of a high-energy particle proves 60-year-old theory

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IMAGE: A visualization of the Glashow event recorded by the IceCube detector. Each colored circle shows an IceCube sensor that was triggered by the event; red circles indicate sensors triggered earlier.
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Credit: IceCube Collaboration
On December 6, 2016, a high-energy particle called an electron antineutrino hurtled to Earth from outer space at close to the speed of light carrying 6.3 petaelectronvolts (PeV) of energy. Deep inside the ice sheet at the South Pole, it smashed into an electron and produced a particle that quickly decayed into a shower of secondary particles. The interaction was captured by a massive telescope buried in the Antarctic glacier, the IceCube Neutrino Observatory. ....

United States , United Kingdom , Uppsala Lan , New South Wales , New Zealand , South Korea , Republic Of Korea , Vladimir Papitashvili , Sheldon Glashow , James Whitmore , Niels Bohr , Olga Botner , Francis Halzen , Christian Haack , Uppsala University , Alice Wallenberg Foundation , National Science Foundation , Niels Bohr Institute , Division Of Physics , Technical University Of Munich , National Fund For Scientific Research , Chiba University , Ministry Of Education , Boston University , Wisconsin Icecube Particle Astrophysics Center , Swedish Polar Research Secretariat ,

IceCube spots first ultra-high-energy antineutrino directly observed on Earth

The IceCube Neutrino Observatory - a telescope that detects elusive, nearly massless subatomic particles called neutrinos using thousands of sensors. ....

United States , New Zealand , United Kingdom , South Korea , Republic Of Korea , Niels Bohr , Sheldon Glashow , Francis Halzen , Doug Cowen , Department Of Energy , Alice Wallenberg Foundation , Niels Bohr Institute , National Science Foundation , Swedish Polar Research Secretariat , University Of Wisconsin , Swedish Research Council , German Research Foundation , Icecube Epscor Initiative , National Fund For Scientific Research , Madison Research Fund , Ministry Of Education , Penn State , Standard Model , South Pole , Icecube Neutrino Observatory , Hadron Collider ,

New IceCube detection proves 60-year-old theory

New IceCube detection proves 60-year-old theory
On December 8, 2016, a high-energy particle called an electron antineutrino was hurtling through space at nearly the speed of light. Normally, the ghostly particle would zip right through the Earth as if it weren’t even there.

But this particle just so happened to smash into an electron deep inside the South Pole’s glacial ice. The collision created a new particle, known as the W
– boson. That boson quickly decayed, creating a shower of secondary particles.

The whole thing played out in front of the watchful detectors of a massive telescope buried in the Antarctic ice, the IceCube Neutrino Observatory. This enabled IceCube to make the first ever detection of a Glashow resonance event, a phenomenon predicted 60 years ago by Nobel laureate physicist Sheldon Glashow. ....

United States , New Zealand , United Kingdom , South Africa , South Korea , Republic Of Korea , Claudio Kopper , Sheldon Glashow , Nathan Whitehorn , Yuya Makino , Niels Bohr , Francis Halzen , Christian Haack , Alice Wallenberg Foundation , Icecube Laboratory , Atmospheric Flux Working Group , National Science Foundation , Technical University Of Munich , Technische Hochschule Aachen University , National Fund For Scientific Research , Chiba University , Ministry Of Education , Michigan State University Department Of Physics , Department Of Energy , College Of Natural Science , Boston University ,

New IceCube detection proves 60-year-old theory

New IceCube detection proves 60-year-old theory
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United States , New Zealand , United Kingdom , South Korea , Republic Of Korea , Claudio Kopper , Nathan Whitehorn , Niels Bohr , Sheldon Glashow , Christian Haack , Francis Halzen , Alice Wallenberg Foundation , Icecube Laboratory , Atmospheric Flux Working Group , National Science Foundation , Technical University Of Munich , Technische Hochschule Aachen University , National Fund For Scientific Research , Chiba University , Ministry Of Education , Michigan State University Department Of Physics , Department Of Energy , College Of Natural Science , Boston University , Wisconsin Icecube Particle Astrophysics Center , Swedish Polar Research Secretariat ,