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Phys. Rev. A 76, 031801(R) (2007) [4 pages]

Triple coincidences of x-ray photons

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E. Ikonen and S. Holopainen
Metrology Research Institute, Helsinki University of Technology and Centre for Metrology and Accreditation, P.O. Box 3000, FI-02015 TKK, Finland

Received 10 May 2007; published 7 September 2007

An analysis is presented that shows specific features of three-photon coincidences from a synchrotron radiation source and points out that these features are measurable at presently operated, advanced hard-x-ray facilities. Analogies with three-pion correlations of high-energy physics are considered, leading to the conclusion that triple coincidences of x rays can be measured more accurately than the three-pion coincidences.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.76.031801
DOI:
10.1103/PhysRevA.76.031801
PACS:
42.50.Ar, 25.75.Gz, 41.50.+h