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A neutrino (/ nj uː ˈ t r iː n oʊ / new-TREE-noh; denoted by the Greek letter ν) is an elementary particle that interacts via the weak interaction and gravity. [2] [3] The neutrino is so named because it is electrically neutral and because its rest mass is so small that it was long thought to be zero.
Every second, trillions of extremely small neutrinos pass through matter, including the human body. In mid-flight, a neutrino, of which there are three known varieties, could transform into other ...
A method that allows to further narrow the energy distribution of the produced neutrinos is the usage of the so-called off-axis beam. [6] The accelerator neutrino beam is a wide beam that has no clear boundaries, because the neutrinos in it do not move in parallel, but have a certain angular distribution.
The ice itself is the detector medium. The direction of incident neutrinos is determined by recording the arrival time of individual photons using a three-dimensional array of detector modules each containing one photomultiplier tube. This method allows detection of neutrinos above 50 GeV with a spatial resolution of approximately 2 degrees.
Most people realize our Sun is producing light and heat from the fusion of hydrogen into helium. Typically, there are two processes by which smaller stars create fusion. The first of these, the ...
Diagram showing the Sun's components. The core is where nuclear fusion takes place, creating solar neutrinos. A solar neutrino is a neutrino originating from nuclear fusion in the Sun's core, and is the most common type of neutrino passing through any source observed on Earth at any particular moment.
Installation of the Gargamelle chamber body. Placement of the chamber in the oblong shaped magnet coils. The domain of neutrino physics was in rapid expansion in the 60's. . Neutrino experiments using bubble chambers were already running at the first synchrotron at CERN, the PS, and the question of the next generation of bubble chambers had been on the agenda for some ti
Supernova neutrinos are weakly interactive elementary particles produced during a core-collapse supernova explosion. [1] A massive star collapses at the end of its life, emitting on the order of 10 58 neutrinos and antineutrinos in all lepton flavors. [2] The luminosity of different neutrino and antineutrino species are roughly the same. [3]