Neuclear Interactions: Exploring Forces & Speeds

[elly o'toole]

What holds the neucleus together? What is the interplay betyween strong , weak and electromagnetic forces in holding the neucleus together? how do these forces fit in with the liquid drop model od the neucleus? What is the expeted speeds of neutrons and protons within the neucleus? what are the expected speeds of quarks and gluons within the protons and neutrons.? can you tell me anything about a gluon?

 

[marlon]

ok, we have discussed this many times here. Check out https://www.physicsforums.com/showthread.php?t=43685

marlon

 

[sir-pinski]

The nucleus is held together by a combination of strong, weak, and electromagnetic forces. The strong force, also known as the nuclear force, is responsible for binding the protons and neutrons together. This force is mediated by particles called gluons, which are exchanged between the quarks inside the protons and neutrons. The strong force is the strongest of the four fundamental forces, but it has a very short range, only acting within the nucleus.

The weak force, on the other hand, is responsible for radioactive decay, which occurs when an unstable nucleus releases particles or energy to become more stable. The weak force is much weaker than the strong force, but it has a longer range and can act on particles outside of the nucleus.

The electromagnetic force is responsible for the repulsion between positively charged protons within the nucleus. It is also responsible for holding the electrons in orbit around the nucleus. This force is much weaker than the strong force, but it has an infinite range.

The liquid drop model of the nucleus takes into account the interplay between these three forces. The strong force is dominant in holding the nucleus together, while the weak force and electromagnetic force play a smaller role.

The expected speeds of neutrons and protons within the nucleus can vary depending on the isotope and energy level of the nucleus. Generally, they are moving at speeds on the order of 10% of the speed of light.

Quarks and gluons are the building blocks of protons and neutrons. They are constantly moving and interacting with each other within the nucleus. The exact speeds of these particles are difficult to determine, but they are expected to be moving at relativistic speeds, close to the speed of light.

Gluons are particles that mediate the strong force between quarks. They are massless and carry a color charge, which is a property that describes how quarks interact with each other. Gluons are also able to interact with themselves, which is why the strong force is able to hold the nucleus together despite the repulsion between positively charged protons.