Deuteriumkärnan

Deuteriumkärnan, also known as a deuteron, is the nucleus of deuterium, an isotope of hydrogen. It consists of one proton and one neutron bound together by the strong nuclear force. The mass number of deuterium is 2, and its atomic number is 1, reflecting its composition. The deuteron is a stable nucleus and is not radioactive. Its binding energy is approximately 2.22 MeV. Deuterium nuclei are formed during the Big Bang and are also produced in stars through nuclear fusion processes, although they are an intermediate step rather than a final product in most stellar fusion cycles like the proton-proton chain. Deuterium is a common fuel for nuclear fusion research and is used in nuclear magnetic resonance (NMR) spectroscopy. The magnetic dipole moment and electric quadrupole moment of the deuteron are well-characterized, providing insights into nuclear structure. Deuterium nuclei are also found naturally in water, albeit in very small concentrations compared to protium (ordinary hydrogen).