collge essay

detector was located deep in a mind in Japan. Neutrinos carry no electric charge. This particle-detecting equipment is sensitive only to charted particles, scientists are not able to observe neutrinos directly. If a neutrinos collides with a proton or neutron, the particles in the nucleus of and atom, the neutrino is transformed into a charged particle.
There are three kinds of neutrinos. Electron neutrinos became electrons. The other two types are mu-neutrinos and tau-neutrinos, which transform into particles called muons and taus. The neutrinos studied in Japan originated high in the Earth's atmosphere. They were produced from reactions induced by high-energy comic-ray particles colliding with air molecules.
Physicists created sophisticated instruments, such as Japan's Super-Kamiokande, or Super-K detector. The primary feature of the Super=K is a tank containing 45 million liters of ultrapure water. Another important feature is that it is located about 1.000 meters underground. By building the detector so far underground, the researchers could screen out almost all other particles and therefore observe almost exclusively the reactions of the neutrinos.
The neutrino can't simply disappear, it must be transformed into another particle. Tau-neutinos are difficult to detect because they very rarely have enough energy when colliding with a proton or neutron to transform into the heave tau particle.
Physicists know that in order for the oscillation...

collge essay

Login

Join