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In physics, a fifth force refers to a hypothetical fundamental interaction (also known as fundamental force) beyond the four known interactions in nature: gravitational, electromagnetic, strong nuclear, and weak nuclear forces. Some speculative theories have proposed a fifth force to explain various anomalous observations that do not fit ...
Researchers may be on the brink of discovering evidence of a fifth fundamental force. ... There are four known fundamental forces of nature—electromagnetism, the strong nuclear force, the weak ...
Some theories beyond the Standard Model include a hypothetical fifth force, and the search for such a force is an ongoing line of experimental physics research. In supersymmetric theories, some particles acquire their masses only through supersymmetry breaking effects and these particles, known as moduli , can mediate new forces.
Ephraim Fischbach (born 1942) is an American physicist and a professor at Purdue University.He is best known for his attempts to find a fifth force of nature [1] and his research relating to the detection of neutrinos. [2]
The discovery could “completely change our understanding of the universe, with consequences for the unification of forces and dark matter.” Scientists believe they have discovered the fifth ...
The X17 particle could be the force carrier for a postulated fifth force, possibly connected with dark matter, [4] and has been described as a protophobic (i.e., ignoring protons) [5] vector boson with a mass near 17 MeV/c 2.
German mathematician Theodor Kaluza and Swedish physicist Oskar Klein independently developed the Kaluza–Klein theory in 1921, which used the fifth dimension to unify gravity with electromagnetic force. Although their approaches were later found to be at least partially inaccurate, the concept provided a basis for further research over the ...
This boson would mediate a fifth fundamental force acting over a short range (12 fm) and perhaps explain the decay of these 8 Be excited states. [10] A 2018 rerun of this experiment found the same anomalous particle scattering and set a narrower mass range of the proposed fifth boson, 17.01 ± 0.16 MeV/c 2. [11]