17 relations: CLEO (particle detector), Delbrück scattering, Electron–positron annihilation, Euler–Heisenberg Lagrangian, Farzana Aslam, Impact parameter, Index of physics articles (T), Matter creation, Maxwell's equations, Pair production, Photon, Photon gas, Photon structure function, Probir Roy, PVLAS, STARlight, Super-resolution dipole orientation mapping.

## CLEO (particle detector)

CLEO was a general purpose particle detector at the Cornell Electron Storage Ring (CESR), and the name of the collaboration of physicists who operated the detector.

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## Delbrück scattering

Delbrück scattering, the deflection of high-energy photons in the Coulomb field of nuclei as a consequence of vacuum polarization was observed in 1975.

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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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## Euler–Heisenberg Lagrangian

In physics, the Euler–Heisenberg Lagrangian describes the non-linear dynamics of electromagnetic fields in vacuum.

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## Farzana Aslam

Farzana Aslam is a Pakistani physicist and astronomer.

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## Impact parameter

The impact parameter b is defined as the perpendicular distance between the path of a projectile and the center of a potential field U(r) created by an object that the projectile is approaching (see diagram).

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## Index of physics articles (T)

The index of physics articles is split into multiple pages due to its size.

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## Matter creation

Even restricting the discussion to physics, scientists do not have a unique definition of what matter is.

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## Maxwell's equations

Maxwell's equations are a set of partial differential equations that, together with the Lorentz force law, form the foundation of classical electromagnetism, classical optics, and electric circuits.

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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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## 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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## Photon gas

In physics, a photon gas is a gas-like collection of photons, which has many of the same properties of a conventional gas like hydrogen or neon – including pressure, temperature, and entropy.

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## Photon structure function

The photon structure function, in quantum field theory, describes the quark content of the photon.

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## Probir Roy

Probir Roy (born 4 October 1942) is an Indian particle physicist and a former professor at Tata Institute of Fundamental Research.

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## PVLAS

PVLAS (Polarizzazione del Vuoto con LASer, "polarization of the vacuum with laser") aims to carry out a test of quantum electrodynamics and possibly detect dark matter at the Department of Physics and National Institute of Nuclear Physics in Ferrara, Italy.

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## STARlight

STARlight is a computer simulation (Monte Carlo) event generator program to simulate ultra-peripheral collisions among relativistic nuclei.

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## Super-resolution dipole orientation mapping

Super-resolution dipole orientation mapping (SDOM) is a form of fluorescence polarization microscopy (FPM) that achieved super resolution through polarization demodulation.

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## Redirects here:

Gamma-gamma physics, Light-by-light scattering, Photon-photon scattering, Photon–photon scattering, Scattering of light by light.