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- In nuclear physics and nuclear chemistry, the fission barrier is the activation energy required for a nucleus of an atom to undergo fission. This barrier may also be defined as the minimum amount of energy required to deform the nucleus to the point where it is irretrievably committed to the fission process. The energy to overcome this barrier can come from either neutron bombardment of the nucleus, where the additional energy from the neutron brings the nucleus to an excited state and undergoes deformation, or through spontaneous fission, where the nucleus is already in an excited and deformed state. It is important to note that efforts to understand fission processes are still an ongoing and have been a very difficult problem to solve since fission was first discovered by Lise Meitner, Otto Hahn, and Fritz Strassmann in 1938. While nuclear physicists understand many aspects of the fission process, there is currently no encompassing theoretical framework that gives a satisfactory account of the basic observations. (en)
- Perintang fisi (fission barrier), sawar fisi, atau perintang pembelahan atom adalah energi aktivasi yang dibutuhkan agar suatu inti atom bisa mengalami reaksi fisi atau pembelahan. Umumnya, energi untuk melewati rintangan ini dapat berasal dari terhadap inti atom. Dalam pembelahan spontan, inti atom telah berada dalam keadaan tereksitasi sehingga dapat melewati perintang fisi dengan sendirinya]]. (in)
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- Perintang fisi (fission barrier), sawar fisi, atau perintang pembelahan atom adalah energi aktivasi yang dibutuhkan agar suatu inti atom bisa mengalami reaksi fisi atau pembelahan. Umumnya, energi untuk melewati rintangan ini dapat berasal dari terhadap inti atom. Dalam pembelahan spontan, inti atom telah berada dalam keadaan tereksitasi sehingga dapat melewati perintang fisi dengan sendirinya]]. (in)
- In nuclear physics and nuclear chemistry, the fission barrier is the activation energy required for a nucleus of an atom to undergo fission. This barrier may also be defined as the minimum amount of energy required to deform the nucleus to the point where it is irretrievably committed to the fission process. The energy to overcome this barrier can come from either neutron bombardment of the nucleus, where the additional energy from the neutron brings the nucleus to an excited state and undergoes deformation, or through spontaneous fission, where the nucleus is already in an excited and deformed state. (en)
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- Perintang fisi (in)
- Fission barrier (en)
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