New precision v2 measurements show NCQ scaling holds for multi-strange hadrons down to 7.7 GeV, supporting partonic origin of elliptic flow with minimal late-stage distortion.
Collision Broadening of the Phi Meson in Baryon Rich Hadronic Matter
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abstract
Phi meson-baryon cross sections, estimated within a one-boson-exchange model, serve as input for a calculation of the collision rates in hot hadronic matter. We find that the width of the \phi meson is modified through collisions with baryons by 1-10 MeV at 160 MeV temperature depending on the baryon fugacity. Thermalization of the \phi in high energy heavy ion collisions is discussed.
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Elliptic Flow of Multi-strange Hadrons in Au+Au Collisions at $\sqrt{s_{NN}}$ = 7.7-19.6 GeV
New precision v2 measurements show NCQ scaling holds for multi-strange hadrons down to 7.7 GeV, supporting partonic origin of elliptic flow with minimal late-stage distortion.