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BEGIN:VEVENT
DTSTART;VALUE=DATE:20101218
DTEND;VALUE=DATE:20301219
DTSTAMP:20241211T215001Z
CREATED:20230721T092751Z
LAST-MODIFIED:20241211T215001Z
UID:92363-1292630400-1923868799@www.a3veen.nl
SUMMARY:IceCube Neutrino Observatory
DESCRIPTION:The IceCube Neutrino Observatory (or simply IceCube) is a neutrino observatory constructed at the Amundsen–Scott South Pole Station in Antarctica\, the project is a recognized CERN experiment (RE10). \nIts thousands of sensors are located under the Antarctic ice\, distributed over a cubic kilometre. Similar to its predecessor\, the Antarctic Muon And Neutrino Detector Array (AMANDA)\, IceCube consists of spherical optical sensors called Digital Optical Modules (DOMs)\, each with a photomultiplier tube (PMT) and a single-board data acquisition computer which sends digital data to the counting house on the surface above the array. IceCube was completed on 18 December 2010. DOMs are deployed on strings of 60 modules each at depths between 1\,450 and 2\,450 meters into holes melted in the ice using a hot water drill. IceCube is designed to look for point sources of neutrinos in the teraelectronvolt (TeV) range to explore the highest-energy astrophysical processes. In November 2013 it was announced that IceCube had detected 28 neutrinos that likely originated outside the Solar System. \nLinks:\nIceCube Neutrino Observatory \nIceCube: the coolest way to detect neutrinos (TV The Royal Institution) \nIceCube: the coolest way to detect neutrinos \nANITA experiment \nOur galaxy seen through a new lens: neutrinos detected by IceCube \n[LIVE] Observation of high-energy neutrinos from the Galactic plane
URL:https://www.a3veen.nl/event/icecube-neutrino-observatory/
CATEGORIES:Fysica,kennis
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20261006T114500
DTEND;TZID=Europe/Amsterdam:20261006T124500
DTSTAMP:20261006T110712Z
CREATED:20261005T231333Z
LAST-MODIFIED:20261006T110712Z
UID:145686-1791287100-1791290700@www.a3veen.nl
SUMMARY:#NobelPrize in Physics – announcement 2026 (TV webcast)
DESCRIPTION:.Francis Halzen realised that ice at the South Pole could be used to track particles known as neutrinos. \nHis vision and scientific leadership have been fundamental for the IceCube Neutrino Observatory – a cubic kilometre of ice that is equipped with light sensors. Using IceCube\, researchers can capture neutrinos from extremely energy-rich processes in the distant universe. Neutrinos are everywhere\, but they do not make themselves known. They pass all the way through the Earth and through our bodies without us noticing. Very rarely\, a single neutrino will interact with an atomic nucleus\, which makes it possible for someone with the right equipment to discover them. Scientists have long known that the cosmos contains natural particle accelerators\, which fire out particles with energies up to a million times more than can be achieved in laboratories on Earth. Much about these sources is mysterious: what are they\, where are they\, and what are the main processes inside them? Neutrinos with extremely high energies are created in the same environments as other types of particles. However\, unlike other particles\, neutrinos reach us without changing direction or losing energy. This means they can provide information that is not available in any other way. Francis Halzen first presented his vision for capturing neutrinos at the South Pole in 1988. When a neutrino collides with an atomic nucleus\, it produces a flash of light that can be tracked by sensors in the clear glacial ice. \nThe South Pole’s ice has many advantages\, as it is free from various types of interference and the area is geologically stable\, with no earthquakes. Halzen and his idea soon gained the support of other researchers and\, just a few years later\, preliminary testing was conducted on sensors in ice. Cosmic neutrinos with extremely high energies are very rare\, so an enormous volume of ice is needed to observe an adequate number of collisions. IceCube covers an entire cubic kilometre and was finished in 2011. Researchers soon discovered the first high-energy neutrinos and\, a few years later\, could publish their discovery of neutrinos that must originate far outside our solar system. The search for the universe’s neutrino sources could begin in earnest. “Francis Halzen has led an international team of researchers and engineers who have provided us with a fantastic instrument. His tenacity and scientific vision has paved the way for a new kind of astronomy\,” says Mark Pearce\, Chair of the Nobel Committee for Physics. The neutrino interactions that are continuously collected by IceCube will provide researchers with novel knowledge about the violent settings in which high-energy neutrinos can be created – and could even reveal previously unknown cosmic phenomena. \nLinks:\nElusive particles from the universe captured at the South Pole \nBelg krijgt Nobelprijs Natuurkunde voor onderzoek naar ‘spookachtige boodschappers uit de kosmos’
URL:https://www.a3veen.nl/event/nobelprize-in-physics-announcement-2026-tv-webcast/
CATEGORIES:Fysica,kennis,Nobelprijs
END:VEVENT
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