Main Page | See live article | Alphabetical index Nuclear processes Radioactive decay processes Alpha decay Beta decay Electron capture Gamma radiation Neutron emission Positron emission Proton emission Spontaneous fission Nucleosynthesis Neutron Capture The R-process The S-process Proton capture: The P-process The P process is a proton capture process in the decay of radioactive elements. Contrast with S and R-processes. Isotope abundances suggest that the p-process is very rare astrophysically, with p-process isotopes having a much small abundance than those of the s-process or r-process. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.