Production rates for hadrons, pentaquarks $Θ^+$ and $Θ ^{*++}$, and di-baryon $(ΩΩ)_{0^{+}}$ in relativistic heavy ion collisions by a quark combination model

Details Production rates for hadrons, pentaquarks $Θ^+$ and $Θ ^{*++}$, and di-baryon $(ΩΩ)_{0^{+}}$ in relativistic heavy ion collisions by a quark combination model Production rates for hadrons, pentaquarks $Θ^+$ and $Θ ^{*++}$, and di-baryon $(ΩΩ)_{0^{+}}$ in relativistic heavy ion collisions by a quark combination model

2004-09-09

arxiv.org/abs/nucl-th/0409018v3

Phys.Rev. C71 (2005) 044903

Physics

Nuclear Physics

Nuclear Theory

The difference between our model and other combination models is clarified. The scaled transverse momentum spectra for pions,

Scientific paper

10.1103/PhysRevC.71.044903

The hadron production in relativistic heavy ion collisions is well described by the quark combination model. The mixed ratios for various hadrons and the transverse momentum spectra for long-life hadrons are predicted and agree with recent RHIC data. The production rates for the pentaquarks $\Theta ^+$, $\Theta ^{*++}$ and the di-baryon $(\Omega\Omega)_{0^{+}}$ are estimated, neglecting the effect from the transition amplitude for constituent quarks to form an exotic state.

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