Artistic Concept Of Neutrinos.
Image 1: Artistic Concept Of Neutrinos. | Neutrinos are named neutrino, because it is electrically neutral and because its rest mass is so small that it was long thought to be zero. The mass of the neutrino is much smaller than that of the other known elementary particles.

What is a neutrino?

Definition: Neutrinos are sub-atomic particles produced by the decay of radioactive elements, also called elementary particles, that lack electric charge.

Neutrinos are similar to an electron but have no electric charge and a tiny mass, which can also be zero. As a result, the neutrino is one of the most abundant particles in the universe.

First Neutrino Event Annotation
The hydrogen bubble chamber was first used to detect neutrinos on 13 November 1970 at the Argonne National Laboratory. Here a neutrino collides with a proton in a hydrogen atom, the collision occurring at the point where the three tracks pass to the right of the picture.

Video Explanation (neutrinos part-1)

What is a neutrino? (neutrinos part-1)

Enrico Fermi named neutrino as a wordplay on neutron, the Italian name for neutron.
Of all high-energy particles, only weakly interacting with Neutrino can directly convey astronomical information from the edge of the universe — and, as far as we know, within the most destructive high-energy processes. There are three different types of Neutrino, each related to a charged particle, as shown in the following table.

Charged Partnerelectron (e)muon (µ)tau (τ)

Produced significantly in high-energy collisions, traveling essentially at the speed of light, and unaffected by magnetic fields, Neutrino fulfills the basic requirements for astronomy. Their unique advantage arises from a fundamental property. They are affected only by the weakest forces of nature (but by gravity). They are, therefore, essentially detached as they travel the cosmic distance between their origin and ours.

Like electrons, both muon and tau are accompanied by neutrinos, called muon-neutrino and tau-neutrino. However, the three neutrino types appear to be different: for example, when muon-neutrino interacts with a target, they will always produce muon and never tau or electrons.

Although electrons and electron-neutrinos can be created and destroyed in particle interactions, the sum of the number of electrons and electron-neutrinos is preserved. To this fact, leptons (leptons are elementary particles of half-integer spin that do not undergo strong interactions.) They are divided into three categories, each with a charged lepton and its accompanying Neutrino.

Where do Neutrinos come from, and where are they found?

According to what we know about neutrinos today, most were born about 15 billion years ago, soon after the universe’s birth. Since then, the universe has steadily expanded and cooled, and neutrinos have kept moving. Theoretically, there are now so many neutrinos that they constitute cosmic background radiation with a temperature of 1.9 ° Kelvin (-271.2 ° C). Other neutrinos are produced by frequent nuclear power stations, particle accelerators, atomic bombs, everyday atmospheric phenomena, star births, collisions, and deaths, especially supernova explosions.

How to detect neutrinos? (How to find neutrinos?)

To detect neutrinos, very large and very sensitive detectors are required. Typically, low-energy neutrinos undergo several mild-to-normal cases before interacting with anything. As a result, all terrestrial neutrinos experiments rely on measuring a small fraction of neutrinos interacting with detectors of appropriate size. For example, a solar-neutrino sensor with 1000 tonnes of heavy water raises about 1012 neutrinos at the Sudbury Neutrino Observatory. As a result, about 30 neutrinos are detected per day.

Video Explanation (neutrinos part-2)

How to detect neutrinos? (How to find neutrinos?)

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Mithun Sarkar
Mithun Sarkar is the Founder and Chief Editor at Unrevealed Files. Mithun is an Entrepreneur and Investor and has a broad understanding of the Financial Markets, Businesses, Marketing, Politics, Geopolitics, Espionage, Science, and Technology. Mithun explains himself as a Seeker who is a Writer, Editor, and Investor by day, and Researcher by night. Mithun is also an Activist of Vote Vapsi Movement. Follow him on Social networks given below.

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