- #1
taylordnz
- 39
- 0
what are the spin of quarks with +2/3 and -1/3 charge?
need info urgently
need info urgently
Quark spins refer to the intrinsic angular momentum of a quark, which is a subatomic particle that makes up protons and neutrons. The spin of a quark can have a value of either +1/2 or -1/2. This spin is related to the quark's electric charge, as quarks with a spin of +1/2 have a charge of +2/3 and those with a spin of -1/2 have a charge of -1/3.
Quark spins were originally theorized by physicists in the 1960s to explain the behavior of subatomic particles. Later, experiments such as deep inelastic scattering and electron-positron annihilation confirmed the existence and properties of quarks, including their spins.
Quark spins play a crucial role in the Standard Model of particle physics, which describes the fundamental particles and forces in the universe. The spins of quarks are important in determining the properties and interactions of composite particles, such as protons and neutrons, which are made up of three quarks each.
No, quarks are considered to be fundamental particles, meaning they cannot be broken down into smaller components. As such, they cannot change their spin or charge. However, they can interact with other particles and exchange energy, which can result in the creation or annihilation of quark-antiquark pairs.
The Standard Model predicts the existence of six types of quark spins, with different combinations of spin and charge. These include the top quark, bottom quark, charm quark, and strange quark, which all have a spin of +1/2, and the top antiquark and bottom antiquark, which have a spin of -1/2. However, the top quark and antiquark are not observed in stable matter and can only be created in high-energy collisions.