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For astronomy, as originally invented, the Hanbury Brown Twiss interferometer is good for finding the angular diameter of stars and is not a rapidly fluctuating observable like the amplitude in ordinary interferometry. The same concept in particle physics is not so straightforward. When I measure the 2 particle correlation, what do I get? What does it mean?

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I know its use in astronomy fairly well. The application to particle physics relies on the bunching effect of bosons. 'The Intensity Interferometer by Hanbury Brown has a chapter on coincidence counting of photons. This is closely related to bunching of particles. –  Nic Jan 13 at 13:00
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You can get information about size, shape and rotation of the emitting object.
I would start here: http://cds.cern.ch/record/378753/files/9902020.pdf

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