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Mu to E Gamma

Index Mu to E Gamma

The Mu to E Gamma (MEG) is a particle physics experiment dedicated to measuring the decay of the muon into an electron and a photon, a decay mode which is heavily suppressed in the Standard Model by lepton flavour conservation, but enhanced in supersymmetry and grand unified theories. [1]

14 relations: Electron, Grand Unified Theory, Lepton number, Mu2e, Mu3e, Muon, Paul Scherrer Institute, Photomultiplier, Photon, Positron, Scintillator, Standard Model, Supersymmetry, Wire chamber.

Electron

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

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Grand Unified Theory

A Grand Unified Theory (GUT) is a model in particle physics in which, at high energy, the three gauge interactions of the Standard Model which define the electromagnetic, weak, and strong interactions, or forces, are merged into one single force.

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Lepton number

In particle physics, lepton number (historically also called lepton charge) is a conserved quantum number representing the difference between the number of leptons and the number of antileptons in an elementary particle reaction.

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Mu2e

Mu2e, or the Muon-to-Electron Conversion Experiment, is a particle physics experiment at Fermilab in the US.

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Mu3e

Mu3e is a particle physics experiment at the Paul Scherrer Institute, searching for decays of anti-muons (Mu) to an electron and two positrons (3e).

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Muon

The muon (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, but with a much greater mass.

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Paul Scherrer Institute

The Paul Scherrer Institute (PSI) is a multi-disciplinary research institute which belongs to the Swiss Federal Institutes of Technology Domain covering also ETH Zurich and EPFL.

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Photomultiplier

Photomultiplier tubes (photomultipliers or PMTs for short), members of the class of vacuum tubes, and more specifically vacuum phototubes, are extremely sensitive detectors of light in the ultraviolet, visible, and near-infrared ranges of the electromagnetic spectrum.

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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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Positron

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

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Scintillator

A scintillator is a material that exhibits scintillation—the property of luminescence, when excited by ionizing radiation.

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Standard Model

The Standard Model of particle physics is the theory describing three of the four known fundamental forces (the electromagnetic, weak, and strong interactions, and not including the gravitational force) in the universe, as well as classifying all known elementary particles.

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Supersymmetry

In particle physics, supersymmetry (SUSY) is a theory that proposes a relationship between two basic classes of elementary particles: bosons, which have an integer-valued spin, and fermions, which have a half-integer spin.

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Wire chamber

A multi-wire proportional chamber is a type of proportional counter that detects charged particles and photons and can give positional information on their trajectory, by tracking the trails of gaseous ionization.

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MEG experiment.

References

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

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