File:Feynman diagrams of photon-photon scattering.jpg
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English: a, Diagrams for Delbrück scattering (left), photon splitting (middle) and elastic LbyL scattering (right). Each cross denotes external field legs, for example, an atomic Coulomb field or a strong background magnetic field. b, Illustration of an ultra-peripheral collision of two lead ions. Electromagnetic interaction between the ions can be described as an exchange of photons that can couple to form a given final state X. The flux of photons is determined from the Fourier transform of the electromagnetic field of the ion, taking into account the nuclear electromagnetic form factors. |
| Date | |
| Source | https://www.nature.com/nphys/journal/vaop/ncurrent/full/nphys4208.html |
| Author | ATLAS Collaboration |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 22:54, 28 August 2017 | | 946 × 271 (19 KB) | Pamputt (talk | contribs) | User created page with UploadWizard |
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