High-precision measurement of the space-like ${\eta }^{\prime }$ transition form factor

BESIII Collaboration, M. Ablikim, M. N. Achasov +779

Using a data sample corresponding to an integrated luminosity of $20.3{\text{fb}}^{-1}$, collected with the BESIII detector at a center-of-mass energy of $3.773\text{GeV}$ at the…