Transverse single-spin asymmetry of forward $\eta$ mesons in $p^{\uparrow }+p$ collisions at $\sqrt{s}=200$ GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +380

Utilizing the 2012 transversely polarized proton data from the Relativistic Heavy Ion Collider at Brookhaven National Laboratory, the forward $\eta$-meson transverse single-spin asymm…