Photon-photon scattering

被引:0
|
作者
Schubert, Christian [1 ,2 ,3 ]
机构
[1] Czech Acad Sci, Inst Phys, ELI Beamlines Ctr, Za Radnicki 835, Dolni Brezany 25241, Czech Republic
[2] Ctr Int Ciencias AC, Campus UNAM UAEM,Ave Univ 1001, Cuernavaca 62100, Morelos, Mexico
[3] Univ Michoacana, Inst Fis & Matemat, Edificio C-3,Apdo Postal 2-82, Morelia 58040, Michoacan, Mexico
来源
关键词
FIELD-THEORY; QUANTUM; ELECTRODYNAMICS; REDUCTION; INTEGRALS; VACUUM; LIGHT;
D O I
10.1051/epjconf/202430103003
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
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.
引用
收藏
页数:10
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