Can supercooling explain the HBT puzzle?

Details Can supercooling explain the HBT puzzle? Can supercooling explain the HBT puzzle?

2002-10-22

arxiv.org/abs/hep-ph/0210297v1

Phys.Lett. B551 (2003) 121-126

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 2 figures

Scientific paper

10.1016/S0370-2693(02)03003-4

Possible hadronization of supercooled QGP, created in heavy ion collisions at RHIC and SPS, is discussed within a Bjorken hydrodynamic model. Such a hadronization is expected to be a very fast shock-like process, what, if hadronization coincides or shortly followed by freeze out, could explain a part of the HBT puzzle, i.e. the flash-like particle emission ($R_{out}/R_{side}\approx 1$). HBT data also show that the expansion time before freeze out is very short ($\sim 6-10 fm/c$). In this work we discuss question of supercooled QGP and the timescale of the reaction.

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