Abstract
We study the ϒ(1S) radiative decays to γπ+π- and γK+K- using data recorded with the BABAR detector operating at the SLAC PEP-II asymmetric-energy e+e- collider at center-of-mass energies at the ϒ(2S) and ϒ(3S) resonances. The ϒ(1S) resonance is reconstructed from the decay ϒ(nS) → π+π-ϒ(1S), n = 2, 3.