Elliptic flow of multi-strange particles: fragmentation, recombination and hydrodynamics
Chiho Nonaka, Rainer J. Fries, Steffen A. Bass
Abstract
We study the elliptic flow v2 of multi-strange hadrons such as the ϕ, Ξ and Ω as a function of transverse momentum in the recombination and fragmentation model and compare to a standard hydrodynamic calculation. We find that the measurement of v2 for the ϕ and Ω will allow for the unambiguous distinction between parton recombination and statistical hadro-chemistry to be the dominant process in hadronization at intermediate transverse momenta.
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