Question

Почему ядро, состоящее из одноименно заряженных протонов, не распадается?

Answer 1

Ядро всегда стабильно относительно реакции распада на свободный нейтроны и протоны. Почему так?Да потому что энергия протона и нейтрона всегда больше энергии всего ядра,масса ядра всегда меньше массы входящих в него нуклонов ибо ну клонов ибо существует так называемые дефект массы:части масса ядра "съедается" энергии взаимодействия протонов и нейтронов.

Answer 2

Why doesn't a nucleus consisting of identically charged protons decay?

The stability of atomic nuclei, including those composed of identically charged protons, is due to the balance between the strong nuclear force and the electromagnetic force.

The strong nuclear force is one of the fundamental forces in nature and is responsible for holding the nucleus together. It is an attractive force that acts between nucleons (protons and neutrons) and is stronger than the electromagnetic force at short distances. The strong nuclear force overcomes the electromagnetic repulsion between protons and binds them together in the nucleus.

The electromagnetic force, on the other hand, is a fundamental force that acts between charged particles. Protons, being positively charged, repel each other due to the electromagnetic force. This repulsion tends to push the protons apart.

The stability of a nucleus depends on the balance between these two forces. If the strong nuclear force is stronger than the electromagnetic force, the nucleus will be stable. However, if the electromagnetic force becomes stronger, it can overcome the strong nuclear force, leading to nuclear decay.

In the case of a nucleus consisting of identically charged protons, the electromagnetic repulsion between the protons is indeed present. However, the strong nuclear force is strong enough to overcome this repulsion and hold the protons together in the nucleus. This is why such nuclei can exist without undergoing immediate decay.

It's important to note that the stability of atomic nuclei is a complex topic, and there are other factors that can influence nuclear stability, such as the number of neutrons in the nucleus, the ratio of protons to neutrons, and the specific nuclear structure. However, the balance between the strong nuclear force and the electromagnetic force is the primary factor that determines the stability of a nucleus.