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News: Francis Halzen won the 2026 Nobel Prize in Physics for contributions to IceCube and discovery of high-energy astrophysical neutrinos.
About 2026 Nobel Prize in Physics
- Winner: The 2026 Nobel Prize in Physics was awarded to Francis Halzen.
- He is from the University of Wisconsin-Madison, United States.
- Awarded for: It was awarded for contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin.
- Key Contributions by Winner:
- IceCube development: In 1988, he proposed an instrument to capture high-energy neutrinos at the South Pole.
- He later led an international team of researchers and engineers that developed the IceCube detector.
- Neutrino discovery: IceCube enabled the discovery of high-energy neutrinos originating outside the solar system.
- IceCube development: In 1988, he proposed an instrument to capture high-energy neutrinos at the South Pole.
About Neutrinos
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About IceCube Neutrino Detector
- Location: It is located near the Amundsen-Scott South Pole Station in Antarctica.
- Built by: It was built and maintained by the IceCube Collaboration, led by the University of Wisconsin-Madison.
- Aim: It was designed to observe neutrinos from the most violent astrophysical sources.
- Working Mechanism:
- Detection: A neutrino occasionally collides with an atomic nucleus in the ice and produces charged particles.
- Light production: These particles generate faint flashes of blue light.
- Sensor detection: 5,160 optical sensors embedded in about one cubic kilometre of ice detect this light.
- Analysis: Scientists use the radiation’s properties to study the neutrino and understand its cosmic origin.
