Ghost particles in the universe : neutrinos in astrophysics and cosmology
NAGIOS: RODERIC FUNCIONANDO

Ghost particles in the universe : neutrinos in astrophysics and cosmology

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Ghost particles in the universe : neutrinos in astrophysics and cosmology

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Raffelt, Georg
This document is a artículo publicadoDate2017
Neutrinos are nearly massless and very difficult to detect because they interact so very weakly. Sixty years after seeing the first of these «ghost particles» we know a lot about their properties. Today, observing them in nuclear reactors, the Sun, the Earth?s crust and atmosphere, and at high energies from distant cosmic sources is almost a routine task ? they have become unique astrophysical messengers. They are important for a number of aspects: neutrinos shape some of the most dramatic astrophysical phenomena in the form of stellar-collapse supernova explosions, they may have created the excess of matter over antimatter in the universe, and neutrino-like «weakly interacting massive particles» may well account for the dark matter of the universe.

    Raffelt, Georg. Ghost particles in the universe : neutrinos in astrophysics and cosmology. En: Mètode Science Studies Journal: Annual Review, 7 2017: 190-199

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