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There are two possible answers. Under the point-particle physics of today, a neutrino is an elementary particle, and as such, it is not composed of anything but its own material. The other answer exists under string theory. In string theory, elementary particles are all made up of the same material, one dimensional strings. These strings vibrate at different rates to create the different elementary particles. Therefore a neutrino would be a string vibrating at a specific rate unique to neutrinos. If it vibrated at any other rate, it would not be a neutrino.
What else can I help you with?
What is an antielectron neutrino?
An antielectron neutrino is an antileptonic elementary particle - the antiparticle of an electron neutrino.
What is an antimuon neutrino?
An antimuon neutrino is an antileptonic elementary particle which is the antiparticle of a muon neutrino.
How can a nucleus which is composed of protons and neutrons eject an electron?
The weak force converts a neutron to a proton, an electron, and a neutrino; in the process called beta decay.
What are the three particles in the lepton family?
They aren't 3 they are in fact 12 if you count anti matter as a separate particle from matter. Electron, muon, tau, electron neutrino, muon neutrino and tau neutrino. The same apply to anti matter positron, anti muon, anti tau, postrin neutrino, anti muon neutrino, and anti tau neutrino.
When was Tau neutrino created?
Tau neutrino was created in 2000.
When was Electron neutrino created?
Electron neutrino was created in 1956.
What is the charge of a neutrino?
The charge of a neutrino is neutral, meaning it has no electric charge.
When did Poppa Neutrino die?
Poppa Neutrino died on 2011-01-23.
When was Poppa Neutrino born?
Poppa Neutrino was born on 1933-10-15.
When was Baksan Neutrino Observatory created?
Baksan Neutrino Observatory was created in 1977.
When was Little Neutrino created?
Little Neutrino was created on 1974-10-18.
What level does Neutrino evolve at in Yellow Pokemon?
Neutrino was not an official pokemon at the time of Pokemon Yellow. There is still no official pokemon species named "neutrino".
