Observation of a Near-Threshold Proton Resonance in ^{11}B.

A near-threshold proton resonance in ^{11}B at E_{ex}=11.44±0.04  MeV is observed via the reaction ^{10}Be(d,n)^{11}Be→^{10}Be+p in inverse kinematics, measured with a beam of the radioactive isotope ^{10}Be.