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...

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...

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...

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

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...

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...

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

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

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...

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

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

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

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...

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

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...

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

other unstable) bound states with less energy by emitting a photon. A positronium "atom" is an unstable bound state of an electron and a positron. It decays...

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

= 6.46×10−8 ): The neutral pion has also been observed to decay into positronium with a branching fraction on the order of 10−9. No other decay modes...

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

professor of physics at MIT. He is best known for being the discoverer of positronium. Deutsch was born in Vienna during the First World War to a Jewish family...

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

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

singly ionized helium, and doubly ionized lithium, but it includes positronium and Rydberg states of any atom where one electron is far away from everything...

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

with a single electron, such as hydrogen, singly ionized helium, and positronium. Although the model itself is now obsolete, the Bohr radius for the hydrogen...