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Nuclear fusion is the process that powers all active stars, via many reaction pathways. Fusion processes require an extremely large triple product of temperature, density, and confinement time. These conditions occur only in stellar cores , advanced nuclear weapons , and are approached in fusion power experiments .
The alpha process, also known as alpha capture or the alpha ladder, is one of two classes of nuclear fusion reactions by which stars convert helium into heavier elements. The other class is a cycle of reactions called the triple-alpha process , which consumes only helium, and produces carbon . [ 1 ]
The deuterium-tritium (D-T) fusion reaction is considered the most promising for producing fusion power. Schematic of a DEMO nuclear fusion power plant. When deuterium and tritium fuse, the two nuclei come together to form a resonant state which splits to form in turn a helium nucleus (an alpha particle) and a high-energy neutron. 2 1 H + 3 1 H ...
“Fusion, on the other hand, does not create any long-lived radioactive nuclear waste.” The waste byproduct of a fusion reaction is far less radioactive than in fission, and decays far more ...
The CNO-I process was independently proposed by Carl von Weizsäcker [5] [6] and Hans Bethe [7] [8] in the late 1930s. The first reports of the experimental detection of the neutrinos produced by the CNO cycle in the Sun were published in 2020 by the BOREXINO collaboration. This was also the first experimental confirmation that the Sun had a ...
Researchers used a process called inertial confinement fusion, in which a pellet of hydrogen plasma is bombarded by the world’s biggest laser in order to achieve nuclear fusion. Nuclear fusion ...
Fusion power is a proposed form of power generation that would generate electricity by using heat from nuclear fusion reactions. In a fusion process, two lighter atomic nuclei combine to form a heavier nucleus, while releasing energy. Devices designed to harness this energy are known as fusion reactors.
Spherical Tokamak for Energy Production (STEP) is a spherical tokamak fusion plant concept proposed by the United Kingdom Atomic Energy Authority (UKAEA) and funded by the UK government. [ 1 ] [ 2 ] [ 3 ] The project is a proposed DEMO -class successor device to the ITER tokamak proof-of-concept of a fusion plant, the most advanced tokamak ...