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Change with Energy of Source Geometry as Seen in Hadron Interferometry by Andreev, I. V.; Plümer, M.; Schlei, B. R.; Weiner, R. M. is a scholarly article available to read on EtoBox.

What is Change with Energy of Source Geometry as Seen in Hadron Interferometry about?

The variation of radii, lifetimes, correlation lengths and the chaoticity parameter of particle sources with the collision energy $\sqrt{s}$ is studied by analysing and comparing two-particle Bose-Einstein correlation data obtained by the NA22 Collaboration at $\sqrt{s}=22\ GeV$ and by the UA1-Minimum-Bias Collaboration at $\sqrt{s}=630\ GeV$. The UA1-data are found to be inconsistent with a static source, whereas both the data at $\sqrt{s}=22\ GeV$ and at $630\ GeV$ can be described in an expanding source model. In the latter model, the $s$-dependence of the data implies an increase of the transverse radius with $s$ and a decrease of the correlation lengths in longitudinal and in transverse direction. The chaoticity parameter increases or remains approximately constant as a function of the CM energy.

Author

Andreev, I. V.; Plümer, M.; Schlei, B. R.; Weiner, R. M.

Published

1994

Language

EN