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1. Positron - Wikipedia
Link: https://en.wikipedia.org/wiki/Positron
Description: WEBThe positron or antielectron is the particle with an electric charge of +1e, a spin of 1/2 (the same as the electron), and the same mass as an electron. It is the antiparticle (antimatter counterpart) of the electron. When a positron collides with an electron, annihilation occurs.
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2. Positron | Antimatter, Annihilation, Electron | Britannica
Link: https://www.britannica.com/science/positron
Description: WEBMar 21, 2024 · positron, positively charged subatomic particle having the same mass and magnitude of charge as the electron and constituting the antiparticle of a negative electron. The first of the antiparticles to be detected, positrons were discovered by Carl David Anderson in cloud-chamber studies of the composition of cosmic rays (1932).
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3. Positron - Definition, Discovery, Mass of Positron in Amu with …
Link: https://byjus.com/chemistry/positron/
Description: WEBA positron is a subatomic particle whose mass is the same as that of electron and numerically equal but in contrast to an electron, it is a positively charged particle. The collision of a low-energy positron and a low-energy electron results in the formation of two or more gamma rays photons and this process is known as electron-positron ...
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4. 11.4: Positron Emission - Chemistry LibreTexts
Link: https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Book%3A_Introductory_Chemistry_Online_(Young)/11%3A_Nuclear_Chemistry/11.4%3A_Positron_Emission
Description: WEBSep 23, 2022 · A positron is the antimatter equivalent of an electron. It has the mass of an electron, but it has a charge of +1. Positrons are formed when a proton sheds its positive charge and becomes a neutron, as shown below: 11ρ → +0+1β+10 n …
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5. Positron, Discovery of | Encyclopedia.com
Link: https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/positron-discovery
Description: WEBPOSITRON, DISCOVERY OF. The positron, the antiparticle of the electron, was discovered in two steps. The first and crucial one was by Carl D. Anderson, who in 1932 concluded the existence of a positive particle of electronic mass (positive electron) from the tracks left by cosmic rays in a cloud chamber and in 1936 was awarded the Nobel Prize ...
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6. Still making tracks: Eighty years of the positron | CERN
Link: https://home.cern/news/news/physics/still-making-tracks-eighty-years-positron
Description: WEB15 March, 2013. |. By Kelly Izlar. Eighty years ago today, the journal Physical Review published a paper by physicist Carl Anderson announcing the discovery of the positron. The positron is the antimatter counterpart of the electron. The two particles have identical masses but opposite charges.
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7. What is Positron - Properties - Nuclear Power for Everybody
Link: https://www.nuclear-power.com/nuclear-power/reactor-physics/atomic-nuclear-physics/fundamental-particles/what-is-electron-properties-of-electron/what-is-positron-properties/
Description: WEBWhat is Positron – Properties. The electron’s antiparticle is called the positron; it is identical to the electron, except it carries electrical and other charges of the opposite sign. When an electron collides with a positron, both particles can be totally annihilated, producing gamma-ray photons. The positrons are positively charged (+1e ...
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8. Positron | Encyclopedia.com
Link: https://www.encyclopedia.com/science-and-technology/physics/physics/positron
Description: WEBJun 11, 2018 · positron (poz-i-tron) n. an electrically charged particle, released in some radioactive decays, that has the same mass as an electron but opposite charge. It has a very short lifetime as it quickly reacts with an electron …
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9. Positron - Simple English Wikipedia, the free encyclopedia
Link: https://simple.wikipedia.org/wiki/Positron
Description: WEBA positron (also called an antielectron) is the antimatter version of an electron. It has the same mass and spin as an electron. However, it has a positive electric charge, whereas an electron has a negative charge. Like all antimatter, when it meets its so-called counterpartner, each are annihilated and turned into energy.
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10. Positron physics - University of Michigan
Link: http://positrons.physics.lsa.umich.edu/nanopos/PALS-intro/psitronphysics.htm
Description: WEBPositron physics. As the antimatter counterpart to the electron, the positron has the opposite charge and magnetic moment, and the same mass (511.0034 keV/c 2 ) and spin as the electron. The positron is stable in vacuum (average lifetime 10 21 years), whereas in condensed matter it typically remains only a short time (10 -10 sec) before ...