Detection Of Short-Lived Particles Using Holography

P. Haridas; E. Hafen; I. Pless; J. Harton; S. Dixit; D. Goloskie; S. Benton

doi:10.1117/12.946274

12 June 1985 Detection Of Short-Lived Particles Using Holography

P. Haridas, E. Hafen, I. Pless, J. Harton, S. Dixit, D. Goloskie, S. Benton

Proceedings Volume 0523, Applications of Holography; (1985) https://doi.org/10.1117/12.946274
Event: 1985 Los Angeles Technical Symposium, 1985, Los Angeles, United States

Abstract

Vertex detectors with good spatial resolution are ideal devices for the detection of short-lived particles (mean lifetime > 10^-13 seconds, mean distance traveled before decay z 140 pm) produced in high energy interactions. The bubble chamber equipped with high resolution photography is one such vertex detector. However, improving the resolution in photography results in a very rapid decrease of the depth of field, thereby rendering most of the chamber optically inaccessible. Using holography instead of photography remedies this problem by decoupling resolution and depth of field. This paper reports on our recent work in the use of a two beam holographic technique for a large freon bubble chamber (80 cm diameter and 100 cm deep). This bubble chamber is the vertex detector for a hybrid spectrometer system that would be used for two of our forthcoming experiments at the Fermi National Accelerator Laboratory: the first to search for the short-lived charm particles, and the second to establish the existence of the T neutrino by observing the decay of the T lepton. We demonstrate that a 30 pm resolution could be achieved throughout the entire volume of the chamber. Specific details pertinent to achieving this resolution are also discussed. We also report on the construction of a semiautomated high-precision measuring apparatus that would be used to scan and measure bubble chamber holograms.

Citation Download Citation

P. Haridas, E. Hafen, I. Pless, J. Harton, S. Dixit, D. Goloskie, and S. Benton "Detection Of Short-Lived Particles Using Holography", Proc. SPIE 0523, Applications of Holography, (12 June 1985); https://doi.org/10.1117/12.946274

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KEYWORDS

Holograms

Holography

Cameras

Particles

Quarks

Leptons

3D image reconstruction

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