Can we split the proton into separate quarks?
Protons are subatomic particles composed of three quarks: two up quarks and one down quark. The quarks are held together by the strong nuclear force, which is one of the fundamental forces of nature. Under normal conditions, it is not possible to split a proton into separate quarks without the involvement of extremely high-energy processes.

The strong nuclear force is very powerful and keeps the quarks bound tightly within the proton. As you try to separate the quarks, the energy required to overcome this force becomes extremely high. This phenomenon is known as quark confinement.

However, in certain extreme conditions, such as high-energy particle collisions or within the core of a neutron star, it is possible to temporarily overcome the strong nuclear force and produce what is called a quark-gluon plasma. In this state, the quarks and gluons are no longer confined within individual particles like protons, but rather exist freely. However, this state is transient and quickly reverts to confined particles due to the nature of the strong force.

In summary, while it is not possible to split a proton into separate quarks under normal conditions, extreme conditions can transiently release the quarks from confinement, forming a quark-gluon plasma.
That makes sense. Thanks for the answer.
You welcome. 
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