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Search for low (eV) energy photon photon scattering in vacuum

Authors
  • Bernard, Denis
Publication Date
Jan 01, 2000
Identifiers
DOI: 10.1016/S0920-5632(00)00191-2
OAI: oai:inspirehep.net:529133
Source
INSPIRE-HEP
License
Unknown
External links

Abstract

We have searched for stimulated photon scattering in vacuum at a center of mass photon energy of 0.8 eV. The QED contribution to this process is equivalent to four wave mixing in vacuum. No evidence for γγ scattering was observed. The corresponding upper limit of the cross section is σ Lim = 1.5 10 −48 cm 2 .

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