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muon    
n. ｇ粒子(中间子)

ｇ粒子(中间子)

muon
n 1: an elementary particle with a negative charge and a half-
life of 2 microsecond; decays to electron and neutrino and
antineutrino [synonym: {muon}, {negative muon}, {mu-meson}]

Meson \Mes"on\, n. [NL., fr. Gr. me`son middle, neut. of me`sos,
a., middle.]
1. (Anat.) The mesial plane dividing the body of an animal
into similar right and left halves. The line in which it
meets the dorsal surface has been called the dorsimeson,
and the corresponding ventral edge the ventrimeson. --B.
G. Wilder.
[1913 Webster]

2. (Physics) An elementary particle made up of two quarks; a
hadron having a baryon number of zero; any hadron other
than a baryon. Mesons are bosons with integral values of
spin, having a mass intermediate between those of the
electron and a nucleon; they may have positive or negative
charges, or may be neutral. Mesons are of three types: the
{pion} ([pi]-meson), {kaon} (K-mesons), and
{[eta]-mesons}.
[PJC]

{mu meson} (Physics) the former name for the {muon}, a
particle which is not a true meson[2]. The term is no
longer used in technical literature, except historically.
[PJC]


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  • Muon - Wikipedia
    A muon ( ˈm (j) uː ɒn M (Y)OO-on; from the Greek letter mu (μ) used to represent it) is an elementary particle similar to the electron, with an electric charge of −1 e and a spin of ⁠1 2⁠ ħ, but with a much greater mass It is classified as a lepton As with other leptons, the muon is not thought to be composed of any constituent particles The muon is an unstable subatomic
  • Muon Space
    Muon Space is built by a diverse team of professionals, including industry experts from Skybox, NASA, SpaceX, and others Join our mission to empower humanity to address global challenges and support a livable planet
  • Muon | Elementary particle, Lepton, Weak interaction | Britannica
    Muon, elementary subatomic particle similar to the electron but 207 times heavier It has two forms, the negatively charged muon and its positively charged antiparticle The muon was discovered as a constituent of cosmic-ray particle “showers” in 1936 by the American physicists Carl D Anderson and
  • Physicists think theyve solved the muon mystery - Ars Technica
    Physicists think they’ve solved the muon mystery Results dash hopes for a fifth force but provide very precise proof of Standard Model and QFT
  • DOE Explains. . . Muons | Department of Energy
    DOE Explains Muons The Muon g-2 storage ring at Fermilab, where scientists conduct experiments to better understand the properties of the muon and probe the Standard Model of particle physics
  • What are muons and where do they come from?
    The muon, like the electron, has a single negative charge and behaves the same way in most cases, but it is an unstable particle It is mostly born from even less stable pi- and K-mesons, which are formed when molecules in the upper atmosphere are bombarded by high-energy photons Synthesis of muons in the atmosphere Source: Wikipedia
  • GitHub - KellerJordan Muon: Muon is an optimizer for hidden layers in . . .
    Muon is an optimizer for the hidden weights of a neural network Other parameters, such as embeddings, classifier heads, and hidden gains biases should be optimized using standard AdamW
  • Scientists were wrong about this “rule-breaking” particle
    Scientists spent decades chasing signs of a mysterious new force hidden inside the muon, one of nature’s strangest particles But after years of supercomputer calculations, researchers
  • What are muons? What is muon science? - Cambridge University Press . . .
    What are muons? What is muon science? Scientific research using the fundamental particle known as the muon depends upon the muon’s basic particle properties and also on the microscopic (atomic-level) interactions of muons with surrounding particles such as nuclei, electrons, atoms, and molecules
  • Scientists share the wealth after winning $3M for measuring muons . . .
    A University of Washington professor and hundreds of others who measured the muon's magnetism have won a $3 million Breakthrough Prize





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