Title: Precision measurement of σ(e+e−→π+π−γ)/σ(e+e−→μ+μ−γ) and determination of the π+π−π+π− contribution to the muon anomaly with the KLOE detector
Authors: D.Babusci, ..., E.Czerwiński et al.
Journal: Physics Letters B
Publication type: article
DOI: 10.1016/j.physletb.2013.02.029