{phi} and {omega} production in relativistic heavy-ion collisions in a dynamical quark coalescence model
- Institute of Theoretical Physics, Shanghai Jiao Tong University, Shanghai 200240 (China)
- Cyclotron Institute and Physics Department, Texas A and M University, College Station, Texas 77843-3366 (United States)
Based on the phase-space information obtained from a multiphase transport model within the string-melting scenario for strange and antistrange quarks, we study the yields and transverse-momentum spectra of {phi} mesons and {omega} ({omega}{sup -}+{omega}{sup +}) baryons and their anisotropic flows in Au + Au collisions at RHIC using a dynamical quark coalescence model that includes the effect from quark phase-space distributions inside hadrons. With current quark masses and fixing the {phi} and {omega} radii from fitting measured yields, we first study the ratio of the yield of {omega} baryons to that of {phi} mesons as well as their elliptic and fourth-order flows as functions of their transverse momentum. How the elliptic and fourth-order flows of {phi} mesons and {omega} baryons are related to those of strange and antistrange quarks is then examined. The dependence of these results on {phi} and {omega} radii as well as on the strange quark mass is also studied.
- OSTI ID:
- 20771469
- Journal Information:
- Physical Review. C, Nuclear Physics, Vol. 73, Issue 4; Other Information: DOI: 10.1103/PhysRevC.73.044903; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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