In particle physics, proton decay is a hypothetical form of particle decay in which the proton decays into lighter subatomic particles, such as a neutral...

Protons have a positive charge distribution, which decays approximately exponentially, with a root mean square charge radius of about 0.8 fm. Protons...

example, beta decay of a neutron transforms it into a proton by the emission of an electron accompanied by an antineutrino; or, conversely a proton is converted...

Proton emission (also known as proton radioactivity) is a rare type of radioactive decay in which a proton is ejected from a nucleus. Proton emission can...

Positron emission, beta plus decay, or β+ decay is a subtype of radioactive decay called beta decay, in which a proton inside a radionuclide nucleus is...

slowly and inexorably grow darker. According to theories that predict proton decay, the stellar remnants left behind will disappear, leaving behind only...

yields a mechanism for proton decay, and the rate of proton decay can be predicted from the dynamics of the model. However, proton decay has not yet been observed...

together, they lead to proton decay. Thus there are further maximal bounds on values of the couplings from maximal bounds on proton decay rate. Without baryon...

(also Super-K or SK) and T2K experiments, it is designed to search for proton decay and detect neutrinos from natural sources such as the Earth, the atmosphere...

Earth survives when the Sun expands to become a red giant and whether proton decay will be the eventual end of all matter in the universe. All projections...

primary problem with these color triplet Higgs is that they can mediate proton decay in supersymmetric theories that are only suppressed by two powers of...

observatory was designed to detect high-energy neutrinos, to search for proton decay, study solar and atmospheric neutrinos, and keep watch for supernovae...

Hence neutron decay conserves baryon number B and lepton number L separately, so also the difference B − L is conserved. Proton decay is a prediction...

a helium-4 atom, which consists of two protons and two neutrons. For example, uranium-238 undergoes alpha decay to form thorium-234. While alpha particles...

much more common result of proton–proton reactions within the star, and diprotons almost immediately decay back into two protons. Since the conversion of...

unification might be detected through indirect observations of the following: proton decay, electric dipole moments of elementary particles, or the properties of...

artificial nuclei decay with the emission of single protons, double protons, and other combinations. Beta decay transforms a neutron into proton or vice versa...

triplets have to be really heavy in order to prevent triplet-mediated proton decays. See doublet-triplet splitting problem. Among the solutions for it is...

for Kamioka Nucleon Decay Experiment. It was a large water Čerenkov detector designed to search for proton decay. To observe the decay of a particle with...

: §IIIE  If protons are not stable, white dwarfs will also be kept warm by energy released from proton decay. For a hypothetical proton lifetime of 1037...

Y_{\text{W}}.} Proton decay is a hypothetical form of radioactive decay, predicted by many grand unification theories. During proton decay, the common baryonic...

been observed to decay, and are classically considered stable. Of these, 90 are believed to be absolutely stable except to proton decay (which has never...

nucleus consists of only a single proton, so it has the formal name protium. The proton has never been observed to decay, so 1H is considered stable. It...

nuclear species) are a class of atoms characterized by their number of protons, Z, their number of neutrons, N, and their nuclear energy state. The word...

inverse beta decay, a proton and a sufficiently energetic antineutrino may combine into a neutron and a positron. Understanding of the beta decay process developed...

physics, double beta decay is a type of radioactive decay in which two neutrons are simultaneously transformed into two protons, or vice versa, inside...

(constituents of protons and others) to leptons (such as positrons), allowing violation of the conservation of baryon number thus permitting proton decay. However...

by other atoms. When a cosmic ray proton impacts atomic nuclei in the upper atmosphere, pions are created. These decay within a relatively short distance...

radioactive, with extremely long half-lives (discounting the possibility of proton decay, which would make all nuclides ultimately unstable). Some stable nuclides...

Takumi; Omura, Yuji (2016). "Threshold corrections to dimension-six proton decay operators in non-minimal SUSY SU (5) GUTs". Nuclear Physics B. 910: 1–22...