Positronium (Ps) is a system consisting of an electron and its anti-particle, a positron, bound together into an exotic atom, specifically an onium. Unlike...

Positronium hydride, or hydrogen positride is an exotic molecule consisting of a hydrogen atom bound to an exotic atom of positronium (that is a combination...

Di-positronium, or dipositronium, is an exotic molecule consisting of two atoms of positronium. It was predicted to exist in 1946 by John Archibald Wheeler...

contains one or more exotic atoms. Di-positronium, two bound positronium atoms Positronium hydride, a positronium atom bound to a hydrogen atom "Exotic...

nomenclature. Positronium is an onium which consists of an electron and a positron bound together as a long-lived metastable state. Positronium has been studied...

positron in positronium can also have identical or parallel spin orientations, which results in an experimentally-distinct form of positronium with a spin 1...

example, the radius of positronium is approximately 2 a 0 {\displaystyle 2\,a_{0}} , since the reduced mass of the positronium system is half the electron...

positronium. Positronium is a metastable hydrogen-like bound state of an electron and a positron which can exist in two spin states. Para-positronium...

energy levels of positronium yields α−1 = 137.034(16). Measurements of α can also be extracted from the positronium decay rate. Positronium decays through...

order to efficiently form positronium (Ps) - even at cryogenic temperatures in Ultra-high vacuum (UHV). A cloud of positronium emerging from the target...

Theory of gravity on antimatter Di-positronium – Exotic molecule consisting of two atoms of positronium Positronium hydride – Exotic molecule consisting...

diagram showing the mutual annihilation of a bound state electron positron pair into two photons. This bound state is more commonly known as positronium....

it induces oscillations between positronium and mirror positronium. Positronium could then turn into mirror positronium and then decay into mirror photons...

called "the father of positronium" because his most significant work is the prediction of the existence of positronium. Positronium is the bound state of...

scattering List of particles Meitner–Hupfeld effect Pair production Positronium L. Sodickson; W. Bowman; J. Stephenson; R. Weinstein (1970). "Single-Quantum...

Examples of such atoms include positronium ( e−   e+ ), muonium ( e−   μ+ ), and "true muonium" ( μ−   μ+ ). Of these positronium and muonium have been experimentally...

particle and its own antiparticle. The name "quarkonium" is analogous to positronium, the bound state of electron and anti-electron. The particles are short-lived...

by analogy with positronium, which also consists of a particle and its antiparticle (an electron and positron in the case of positronium). OZI rule List...

tennessine: see above) Vi: vinyl Exotic atoms: Mu: muonium Pn: protonium Ps: positronium Hazard pictographs are another type of symbols used in chemistry. List...

muonium ( μ+ e− ) is more similar to atomic hydrogen ( p+ e− ) than positronium ( e+ e− ). Its Bohr radius and ionization energy are within 0.5% of hydrogen...

other particles to form various composite particles such as atoms and positronium, while neutrinos rarely interact with anything, and are consequently...

source is generated by the charge exchange reaction between Rydberg positronium atoms -- produced via the injection of a pulsed positron beam into a...

within a solid material. Beta particle Buffer-gas trap List of particles Positronium Positronic brain "2022 CODATA Value: electron mass". The NIST Reference...

News reported that there was speculation about the possibility of using positronium annihilation to drive a very powerful gamma ray laser. David Cassidy...

Hadrons Others Atomic nuclei Atoms Exotic atoms Positronium Muonium Tauonium Onia Pionium Protonium Superatoms Molecules Hypothetical...

drifting through space will encounter one another and occasionally form positronium atoms. These structures are unstable, however, and their constituent...

Hadrons Others Atomic nuclei Atoms Exotic atoms Positronium Muonium Tauonium Onia Pionium Protonium Superatoms Molecules Hypothetical...

Lander was one of the principal leaders of the Human Genome Project. Positronium atoms, synthetic penicillin, synthetic self-replicating molecules, and...

from McGill University in 1956 with a thesis entitled "Formation of Positronium in Hydrogen and Helium" and a PhD degree at Cornell University in 1960...

ray photons. If the electron and positron have negligible momentum, a positronium atom can form before annihilation results in two or three gamma ray photons...