| Issue |
EPJ Web Conf.
Volume 301, 2024
XLV Symposium on Nuclear Physics 2024
|
|
|---|---|---|
| Article Number | 03003 | |
| Number of page(s) | 10 | |
| Section | Hadronic Physics | |
| DOI | https://doi.org/10.1051/epjconf/202430103003 | |
| Published online | 07 August 2024 | |
https://doi.org/10.1051/epjconf/202430103003
Photon-photon scattering
ELI Beamlines Centre, Institute of Physics, Czech Academy of Sciences, Za Radnicki 835, 25241 Dolni Břežany, Czech Republic.
Centro Internacional de Ciencias, A.C. Campus UNAM-UAEM, Avenida Universidad 1001, 62100 Cuernavaca, Morelos, Mexico.
After May 15, 2023: Instituto de Física y Matemáticas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio C-3, Apdo. Postal 2-82, C.P. 58040, Morelia, Michoacán, Mexico.
* E-mail: christianschubert137@gmail.com
Published online: 7 August 2024
The existence of photon-photon scattering historically was one of the first non-trivial predictions of QED. However, since the cross section is very small at low energies it was only in 2017 that a direct measurement was achieved in heavy-ion collisions at the LHC. After short reviews of the history of the subject and of the CERN experiment, I discuss the general structure of the four-photon tensor, which also serves as the prototype for all vertices of four gauge bosons. I then come to generalizations from QED to the Standard Model and beyond, in particular to the Born-Infeld theory that has gained some popularity in recent years as an alternative to standard quantum electrodynamics.
© The Authors, published by EDP Sciences, 2024
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