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Positron

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The positron or antielectron is the antiparticle or the antimatter counterpart of the electron. [1]

89 relations: Alpha Magnetic Spectrometer, American Astronomical Society, American Institute of Physics, American Physical Society, Annihilation, Antimatter, Antiparticle, Baryon asymmetry, BBC, Becquerel, Beta decay, Beta particle, California Institute of Technology, Carl David Anderson, Chung-Yao Chao, Cloud chamber, Cosmic ray, CP violation, Dark matter, Dirac equation, Dirac sea, Dmitri Skobeltsyn, Electric charge, Electromagnetism, Electron, Electron rest mass, Electron–positron annihilation, Elementary charge, Elementary particle, Ernst Stueckelberg, Fermion, Flux, Food and Agriculture Organization, Frédéric Joliot-Curie, Gamma ray, Gamma-ray burst, Giuseppe Occhialini, Gold, Gravity, Hermann Weyl, International Space Station, Irène Joliot-Curie, J. Robert Oppenheimer, John Archibald Wheeler, Laser, Lawrence Livermore National Laboratory, Lepton, List of particles, Mass-to-charge ratio, MSNBC, ..., NASA, National Geographic Society, National Institute of Standards and Technology, Neutrino, Nuclear medicine, One-electron universe, Oxford University Press, Pair production, Particle accelerator, Patrick Blackett, Paul Dirac, Photon, Physical Review, Physical Review Letters, Physics Reports, Positron annihilation spectroscopy, Positron emission, Positron emission tomography, Positronic brain, Positronium, Potassium-40, Primordial nuclide, Proceedings of the Royal Society, Progress of Theoretical and Experimental Physics, Proton, Radionuclide, Reviews of Modern Physics, Richard Feynman, Special relativity, Spin (physics), St. Olaf College, STS-91, The Astrophysical Journal, Thunderstorm, Van Allen radiation belt, Weak interaction, World line, Yoichiro Nambu, Zeeman effect. Expand index (39 more) »

Alpha Magnetic Spectrometer

The Alpha Magnetic Spectrometer, also designated AMS-02, is a particle physics experiment module that is mounted on the International Space Station (ISS).

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American Astronomical Society

The American Astronomical Society (AAS, sometimes spoken as "double-A-S") is an American society of professional astronomers and other interested individuals, headquartered in Washington, DC.

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American Institute of Physics

The American Institute of Physics (AIP) promotes science, the profession of physics, publishes physics journals, and produces publications for scientific and engineering societies.

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American Physical Society

The American Physical Society (APS) is the world's second largest organization of physicists.

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Annihilation

In particle physics, annihilation is the process that occurs when a subatomic particle collides with its respective antiparticle to produce other particles, such as an electron colliding with a positron to produce two photons.

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Antimatter

In modern physics, antimatter is defined as a material composed of the antiparticle (or "partners") to the corresponding particles of ordinary matter.

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Antiparticle

In particle physics, every type of particle has an associated antiparticle with the same mass but with opposite physical charges (such as electric charge).

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Baryon asymmetry

In physics, the baryon asymmetry problem, also known as the matter asymmetry problem or the matter-antimatter asymmetry problem, is the observed imbalance in baryonic matter (the type of matter experienced in everyday life) and antibaryonic matter in the observable universe.

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BBC

The British Broadcasting Corporation (BBC) is a British public service broadcaster.

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Becquerel

The becquerel (symbol: Bq) is the SI derived unit of radioactivity.

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Beta decay

In nuclear physics, beta decay (β-decay) is a type of radioactive decay in which a beta ray (fast energetic electron or positron) and a neutrino are emitted from an atomic nucleus.

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Beta particle

A beta particle, also called beta ray or beta radiation, (symbol β) is a high-energy, high-speed electron or positron emitted by the radioactive decay of an atomic nucleus during the process of beta decay.

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California Institute of Technology

The California Institute of Technology (abbreviated Caltech)The university itself only spells its short form as "Caltech"; other spellings such as.

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Carl David Anderson

Carl David Anderson (September 3, 1905 – January 11, 1991) was an American physicist.

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Chung-Yao Chao

Chung-Yao Chao (27 June 1902 – 28 May 1998) was a Chinese physicist.

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Cloud chamber

A Cloud Chamber, also known as a Wilson Cloud Chamber, is a particle detector used for visualizing the passage of ionizing radiation.

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Cosmic ray

Cosmic rays are high-energy radiation, mainly originating outside the Solar System and even from distant galaxies.

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CP violation

In particle physics, CP violation is a violation of CP-symmetry (or charge conjugation parity symmetry): the combination of C-symmetry (charge conjugation symmetry) and P-symmetry (parity symmetry).

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Dark matter

Dark matter is a theorized form of matter that is thought to account for approximately 80% of the matter in the universe, and about a quarter of its total energy density.

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Dirac equation

In particle physics, the Dirac equation is a relativistic wave equation derived by British physicist Paul Dirac in 1928.

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Dirac sea

The Dirac sea is a theoretical model of the vacuum as an infinite sea of particles with negative energy.

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Dmitri Skobeltsyn

Dmitri Vladimirovich Skobeltsyn (Дмитрий Владимирович Скобельцын) (November 24, 1892 in Saint Petersburg – November 16, 1990) was a Soviet physicist, academician of the Soviet Academy of Sciences (1946), Hero of Socialist Labor (1969).

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Electric charge

Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.

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Electromagnetism

Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles.

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Electron

The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.

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Electron rest mass

The electron rest mass (symbol) is the mass of a stationary electron.

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Electron–positron annihilation

Electron–positron annihilation occurs when an electron and a positron (the electron's antiparticle) collide.

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Elementary charge

The elementary charge, usually denoted as or sometimes, is the electric charge carried by a single proton, or equivalently, the magnitude of the electric charge carried by a single electron, which has charge.

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Elementary particle

In particle physics, an elementary particle or fundamental particle is a particle with no substructure, thus not composed of other particles.

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Ernst Stueckelberg

Ernst Carl Gerlach Stueckelberg (full name after 1911: Baron Ernst Carl Gerlach Stueckelberg von Breidenbach zu Breidenstein und Melsbach; February 1, 1905 – September 4, 1984) was a Swiss mathematician and physicist, regarded as one of the most eminent physicists of the 20th century.

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Fermion

In particle physics, a fermion is a particle that follows Fermi–Dirac statistics.

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Flux

Flux describes the quantity which passes through a surface or substance.

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Food and Agriculture Organization

The Food and Agriculture Organization of the United Nations (FAO; Organisation des Nations unies pour l'alimentation et l'agriculture, Organizzazione delle Nazioni Unite per l'Alimentazione e l'Agricoltura) is a specialized agency of the United Nations that leads international efforts to defeat hunger.

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Frédéric Joliot-Curie

Jean Frédéric Joliot-Curie (19 March 1900 – 14 August 1958), born Jean Frédéric Joliot, was a French physicist, husband of Irène Joliot-Curie with whom he was jointly awarded the Nobel Prize in Chemistry.

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Gamma ray

A gamma ray or gamma radiation (symbol γ or \gamma), is penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.

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Gamma-ray burst

In gamma-ray astronomy, gamma-ray bursts (GRBs) are extremely energetic explosions that have been observed in distant galaxies.

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Giuseppe Occhialini

Giuseppe Paolo Stanislao "Beppo" Occhialini ForMemRS (5 December 1907 – 30 December 1993) was an Italian physicist, who contributed to the discovery of the pion or pi-meson decay in 1947, with César Lattes and Cecil Frank Powell (Nobel Prize for Physics).

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Gold

Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.

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Gravity

Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.

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Hermann Weyl

Hermann Klaus Hugo Weyl, (9 November 1885 – 8 December 1955) was a German mathematician, theoretical physicist and philosopher.

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International Space Station

The International Space Station (ISS) is a space station, or a habitable artificial satellite, in low Earth orbit.

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Irène Joliot-Curie

Irène Joliot-Curie (12 September 1897 – 17 March 1956) was a French scientist, the daughter of Marie Curie and Pierre Curie and the wife of Frédéric Joliot-Curie.

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J. Robert Oppenheimer

Julius Robert Oppenheimer (April 22, 1904 – February 18, 1967) was an American theoretical physicist and professor of physics at the University of California, Berkeley.

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John Archibald Wheeler

John Archibald Wheeler (July 9, 1911 – April 13, 2008) was an American theoretical physicist.

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Laser

A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.

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Lawrence Livermore National Laboratory

Lawrence Livermore National Laboratory (LLNL) is an American federal research facility in Livermore, California, United States, founded by the University of California, Berkeley in 1952.

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Lepton

In particle physics, a lepton is an elementary particle of half-integer spin (spin) that does not undergo strong interactions.

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List of particles

This article includes a list of the different types of atomic- and sub-atomic particles found or hypothesized to exist in the whole of the universe categorized by type.

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Mass-to-charge ratio

The mass-to-charge ratio (m/Q) is a physical quantity that is most widely used in the electrodynamics of charged particles, e.g. in electron optics and ion optics.

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MSNBC

MSNBC is an American news cable and satellite television network that provides news coverage and political commentary from NBC News on current events.

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NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

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National Geographic Society

The National Geographic Society (NGS), headquartered in Washington, D.C., United States, is one of the largest non-profit scientific and educational institutions in the world.

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National Institute of Standards and Technology

The National Institute of Standards and Technology (NIST) is one of the oldest physical science laboratories in the United States.

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Neutrino

A neutrino (denoted by the Greek letter ν) is a fermion (an elementary particle with half-integer spin) that interacts only via the weak subatomic force and gravity.

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Nuclear medicine

Nuclear medicine is a medical specialty involving the application of radioactive substances in the diagnosis and treatment of disease.

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One-electron universe

The one-electron universe postulate, proposed by John Wheeler in a telephone call to Richard Feynman in the spring of 1940, hypothesises that all electrons and positrons are actually manifestations of a single entity moving backwards and forwards in time.

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Oxford University Press

Oxford University Press (OUP) is the largest university press in the world, and the second oldest after Cambridge University Press.

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Pair production

Pair production is the creation of an elementary particle and its antiparticle from a neutral boson.

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Particle accelerator

A particle accelerator is a machine that uses electromagnetic fields to propel charged particles to nearly light speed and to contain them in well-defined beams.

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Patrick Blackett

Patrick Maynard Stuart Blackett, Baron Blackett (18 November 1897 – 13 July 1974) was a British experimental physicist known for his work on cloud chambers, cosmic rays, and paleomagnetism, winning the Nobel Prize for Physics in 1948.

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Paul Dirac

Paul Adrien Maurice Dirac (8 August 1902 – 20 October 1984) was an English theoretical physicist who is regarded as one of the most significant physicists of the 20th century.

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Photon

The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).

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Physical Review

Physical Review is an American peer-reviewed scientific journal established in 1893 by Edward Nichols.

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Physical Review Letters

Physical Review Letters (PRL), established in 1958, is a peer-reviewed, scientific journal that is published 52 times per year by the American Physical Society.

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Physics Reports

Physics Reports is a peer-reviewed scientific journal, a review section of Physics Letters that has been published by Elsevier since 1971.

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Positron annihilation spectroscopy

Positron annihilation spectroscopy (PAS) or sometimes specifically referred to as Positron annihilation lifetime spectroscopy (PALS) is a non-destructive spectroscopy technique to study voids and defects in solids.

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Positron emission

Positron emission or beta plus decay (β+ decay) is a subtype of radioactive decay called beta decay, in which a proton inside a radionuclide nucleus is converted into a neutron while releasing a positron and an electron neutrino (νe).

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Positron emission tomography

Positron-emission tomography (PET) is a nuclear medicine functional imaging technique that is used to observe metabolic processes in the body as an aid to the diagnosis of disease.

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Positronic brain

A positronic brain is a fictional technological device, originally conceived by science fiction writer Isaac Asimov.

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Positronium

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

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Potassium-40

Potassium-40 (40K) is a radioactive isotope of potassium which has a very long half-life of 1.251 years.

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Primordial nuclide

In geochemistry, geophysics and geonuclear physics, primordial nuclides, also known as primordial isotopes, are nuclides found on Earth that have existed in their current form since before Earth was formed.

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Proceedings of the Royal Society

Proceedings of the Royal Society is the parent title of two scientific journals published by the Royal Society.

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Progress of Theoretical and Experimental Physics

Progress of Theoretical and Experimental Physics is a monthly peer-reviewed scientific journal published by Oxford University Press on behalf of the Physical Society of Japan.

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Proton

| magnetic_moment.

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Radionuclide

A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is an atom that has excess nuclear energy, making it unstable.

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Reviews of Modern Physics

Reviews of Modern Physics is a quarterly peer-reviewed scientific journal published by the American Physical Society.

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Richard Feynman

Richard Phillips Feynman (May 11, 1918 – February 15, 1988) was an American theoretical physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, and the physics of the superfluidity of supercooled liquid helium, as well as in particle physics for which he proposed the parton model.

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Special relativity

In physics, special relativity (SR, also known as the special theory of relativity or STR) is the generally accepted and experimentally well-confirmed physical theory regarding the relationship between space and time.

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Spin (physics)

In quantum mechanics and particle physics, spin is an intrinsic form of angular momentum carried by elementary particles, composite particles (hadrons), and atomic nuclei.

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St. Olaf College

St.

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STS-91

STS-91 was the final Space Shuttle mission to the Mir space station.

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The Astrophysical Journal

The Astrophysical Journal, often abbreviated ApJ (pronounced "ap jay") in references and speech, is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler.

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Thunderstorm

A thunderstorm, also known as an electrical storm, lightning storm, or thundershower, is a storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere, known as thunder.

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Van Allen radiation belt

A Van Allen radiation belt is a zone of energetic charged particles, most of which originate from the solar wind, that are captured by and held around a planet by that planet's magnetic field.

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Weak interaction

In particle physics, the weak interaction (the weak force or weak nuclear force) is the mechanism of interaction between sub-atomic particles that causes radioactive decay and thus plays an essential role in nuclear fission.

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World line

The world line (or worldline) of an object is the path that object traces in -dimensional spacetime.

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Yoichiro Nambu

was a Japanese-American physicist and professor at the University of Chicago.

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Zeeman effect

The Zeeman effect, named after the Dutch physicist Pieter Zeeman, is the effect of splitting a spectral line into several components in the presence of a static magnetic field.

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Anti-electron, Antielectron, Beta plus particle, Positive electron, Positrons.

References

[1] https://en.wikipedia.org/wiki/Positron

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