Several experiments on weak nuclear interactions, undertaken after 1956, however, indicated that nature is not indifferent to the exchange of particles and antiparticles.
In 1956 Tsung-Dao Lee of Columbia and Chen Ning Yang of the Institute for Advanced Study, Princeton, New Jersey, proposed that parity is not conserved for weak nuclear interactions.
Interactions among the subatomic particles under the operation of time reversal were thought to be invariant in the same way, but evidence to the contrary was discovered in 1964 in weak nuclear interactions (see CP violation).
The difficulties in reconciling quantum theory and gravity into some form of quantum gravity come from the prima facie incompatibility of general relativity, Einstein's relativistic theory of gravitation, and quantum field theory, the framework for the description of the other three forces (electromagnetism and the strong and weak nuclear interactions).
Dr. Snow's experimental work, which he undertook at Brookhaven National Laboratory, Fermi National Accelerator Laboratory and the CERN laboratory in Switzerland, helped establish the nature of the so-called weak nuclear force, an interaction that causes radioactive decay.
In contrast, we observed a weak but distinct nuclear interaction when FBL17 and KRP7 were co-injected (Figure 4H K).
We observed weak cytosolic and nuclear interactions between XB24 and both wXA21-like proteins, and between wXB15 and wXA21-like1 (Additional file 1: Figure S12).
The violation is thought to be related to something called the weak nuclear force, but effects of another interaction called the strong force confuse matters in kaons.
In particle physics, the weak interaction is the mechanism responsible for the weak force or weak nuclear force, one of the four known fundamental interactions of nature, alongside the strong interaction, electromagnetism, and gravitation.
Physicists were looking for similar theories for two of the other fundamental interactions – the strong and weak nuclear forces.
