QED in strong fields

Details QED in strong fields QED in strong fields

1995-11-20

arxiv.org/abs/hep-ph/9511372v1

Nucl.Instrum.Meth.B119:48-54,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, LaTeX, uses elsart.sty, 11 eps pictures included. Invited talk at the workshop on `Channeling and Other Coherent Cry

Scientific paper

10.1016/0168-583X(96)00276-5

We discuss the status of atomic physics in strong field. We focus on the problem of electron-positron lines observed in heavy-ion collisions and on QED effects, calculated in strong Coulomb fields, especially Delbr\"uck-scattering. We discuss the similarities and differences between these effects and channeling respectively beamstrahlung. We investigated the prospects for photon-channeling, calculated channeling from first principles on the basis of the Dirac equation, and determined the rate for electron-positron pair production in the collision of two high-energy particle pulses.

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