Cosmogenic nuclides (or cosmogenic isotopes) are rare nuclides (isotopes) created when a high-energy cosmic ray interacts with the nucleus of an in situ...

called cosmogenic nuclides. Other types of natural nuclear reactions produce nuclides that are said to be nucleogenic nuclides. An example of nuclides made...

processes of primordial nuclides (for example, radium from uranium), or from ongoing energetic reactions, such as cosmogenic nuclides produced by present...

dating of materials by cosmogenic radionuclide dating, particularly in the geological field. In formation of a cosmogenic nuclide, a cosmic ray interacts...

isotopes called cosmogenic nuclides. At Earth's surface most of these nuclides are produced by neutron spallation. Using certain cosmogenic radionuclides...

constantly regenerated. This occurs by cosmic radiation (in the case of cosmogenic nuclides such as 14 C and 3 H ), or (rarely) by such processes as geonuclear...

Zheng-Tian; Keisling, Benjamin; Fülöp, Réka-H.; Val, Pedro (2022-03-10). "Cosmogenic nuclide techniques". Nature Reviews Methods Primers. 2 (1): 1–22. doi:10...

(radiogenic nuclides), such as radon-222. Others are the products of interactions with energetic cosmic-rays (e.g. cosmic ray spallation) (cosmogenic nuclides),...

Isobars are atoms (nuclides) of different chemical elements that have the same number of nucleons. Correspondingly, isobars differ in atomic number (or...

cosmic ray action on nitrogen in the atmosphere, and it is therefore a cosmogenic nuclide. However, open-air nuclear testing between 1955 and 1980 contributed...

radionuclides, and cosmogenic radionuclides. Radionuclides are produced in stellar nucleosynthesis and supernova explosions along with stable nuclides. Most decay...

millions of years. It is also thought to be a natural nucleogenic and cosmogenic nuclide, one produced when lithium is bombarded by natural neutrons, which...

to occur in this nuclide. Produced in Big Bang nucleosynthesis, but not primordial, as it all quickly decayed to 7Li cosmogenic nuclide Intermediate product...

radiogenic nuclide is a nuclide that is produced by a process of radioactive decay. It may itself be radioactive (a radionuclide) or stable (a stable nuclide)....

million years, which is far too short for it to exist as a primordial nuclide. Cosmogenic sources of 129I produce very tiny quantities of it that are too small...

generated or replenished by natural processes, such as cosmic rays (cosmogenic nuclides), background radiation, or the decay chain or spontaneous fission...

million years ago. But in 2022 a team including Clarke and Kuman used cosmogenic nuclide techniques to date Member 4 at 3.4 million years, which it says discredits...

afore-mentioned cosmogenic nuclides, the nucleogenic nuclides, and any radiogenic nuclides formed by ongoing decay of a primordial radioactive nuclide, such as...

on changes in position of ice sheet margins dated via terrestrial cosmogenic nuclides and radiocarbon dating, growth of ice sheets in the southern hemisphere...

thirty unstable isotopes and isomers are known. Traces of 81Kr, a cosmogenic nuclide produced by the cosmic ray irradiation of 80Kr, also occur in nature:...

and professor at Stanford University. She is best known for using cosmogenic nuclides to investigate landscape changes and dynamics. She has won multiple...

naturally as a cosmogenic nuclide. Decay mode shown is energetically allowed, but has not been experimentally observed to occur in this nuclide. 1 H (atomic...

groundwaters. Traces of iodine-129 still exist today, as it is also a cosmogenic nuclide, formed from cosmic ray spallation of atmospheric xenon: these traces...

atmosphere or in the ground. This contributes to the presence on Earth of cosmogenic nuclides. On Earth new nuclei are also produced by radiogenesis, the decay...

F.; Likius, A.; Mackaye, H. T.; Vignaud, P.; Brunet, M. (2008). "Cosmogenic nuclide dating of Sahelanthropus tchadensis and Australopithecus bahrelghazali:...

org/wp-content/uploads/2019/06/NYSGA-2018-C4-Mount-Greylock-as-a-Cosmogenic-Nuclide-Dipstick-to-Determine-the-Timing-and-Rate-of-Southeastern-Laurent...

those radioactive primordial nuclides. Another minor source of naturally occurring radioactive nuclides are cosmogenic nuclides, that are formed by cosmic...

electron capture to 40Ar with a half-life no less than 9.9×1021 y Cosmogenic nuclide Believed to undergo β−β− decay to 46Ti Primordial radionuclide Believed...

Gosse served as an assistant professor of Geology and Director of the Cosmogenic Nuclide Extraction Laboratory at the University of Kansas. In 2001, he joined...

Earth, 26Al production ceases and its abundance relative to other cosmogenic nuclides decreases. Absence of aluminium-26 sources on Earth is a consequence...