What is the difference between up quark and top quark?

What is the difference between up quark and top quark?

Up and down quarks have the lowest masses of all quarks. The heavier quarks rapidly change into up and down quarks through a process of particle decay: the transformation from a higher mass state to a lower mass state. The top quark, first observed at Fermilab in 1995, was the last to be discovered.

What does the top quark do?

The top quark was discovered in 1995 by the CDF and DØ experiments at Fermilab. Like all other quarks, the top quark is a fermion with spin 12 and participates in all four fundamental interactions: gravitation, electromagnetism, weak interactions, and strong interactions. It has an electric charge of + 23 e.

What do top quarks make up?

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The top quark is the heaviest fundamental particle. Fundamental particles are the most basic building blocks of matter; they cannot be broken into parts. Even though it is so small, the top quark is as heavy as a gold atom, which is made up in part of almost 200 protons and neutrons.

What do three up quarks make?

Baryons are composite particles made of three quarks, as opposed to mesons, which are composite particles made of one quark and one antiquark.

What are the 6 types of quarks?

For instance, quarks (which make up the protons and neutrons inside atoms) come in six flavors: up, down, top, bottom, strange and charm.

What are the three types of quarks?

It postulated the existence of three types of quarks, distinguished by unique “flavours.” These three quark types are now commonly designated as “up” (u), “down” (d), and “strange” (s). Each carries a fractional value of the electron charge (i.e., a charge less than that of the electron, e).

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What are the six known quarks?

Quarks were eventually found to come in six types, called up, down, charm, strange, top and bottom.

Why are there 6 types of quarks?

According to the theory, gravity, which is the attractive force of mass, is really a curvature of space-time. We see the six different quarks as having six different masses, but perhaps they actually have the same mass, but are located at different spots in the extra dimension, causing them to appear differently.

What is the difference between a bottom quark and up quark?

A bottom quark has a mass of about 4.2GeV — several order of magnitude higher! A down quark is first generation, while a bottom quark is third generation. And a down quark, being so light, is stable, while a bottom quark can decay into a charm or up quark by lepton emission.

What is the color of a quark?

Each quark at the same time is connected with the strong color force of quantum chromo dynamics. So it can also come in the three color quantum numbers, for identification called red blue and green ( analogous to the weak Strange Charm Bottom Top).

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How many types of quarks are there in the universe?

Thanks for A2A! Their are 6 types (flavours) of Quarks known as: up quark, down quark, top quark, bottom quark, charm quark and strange quark! Now, Strange quark is the 3rd lightest quark in the quark familiy after up and down quark with mass of around 101mev with spin 1/2 as usual!

Why is the top quark so interesting?

The top quark is interesting for other reasons. It is so unstable it does not even live long enough to form bound states with other quarks (called hadrons). Studying quarks through hadrons is a very messy business, and makes it hard to make accurate mass determinations.