Transverse single-spin asymmetries of midrapidity ${\pi }^0$ and $\eta$ mesons in polarized $p$$+$$p$ collisions at $\sqrt{s}=200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +311

We present a measurement of the transverse single-spin asymmetry for ${\pi }^0$ and $\eta$ mesons in $p^{\uparrow }$$+$$p$ collisions in the pseudorapidity range $|\eta |<0.35$ and at a center-of…