Space-time Characteristics of the Fireball from HBT Interferometry
B. Tomasik, U. Heinz, U. A. Wiedemann, Y. -F. Wu
Abstract
We present the Yano-Koonin-Podgoretskii parametrisation of the correlation function. Compared to the conventionally used Cartesian parametrisation, this one provides more straightforward measurement of the duration of the emission process in the fireball and a clearer signal of the longitudinal expansion, which is expected in ulrarelativistic heavy ion collisions.
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