CLAS physics database search results Measurement E169M135 g11 E. Golovach 2005 psi(pi+) dsigma/dpsi_pip Stat. error rad mcb/rad mcb/rad 0.224399 3.90659 0.456551 0.673198 4.55667 0.344462 1.122 5.3774 0.393463 1.5708 6.09079 0.462681 2.0196 8.0036 0.625475 2.46839 13.8568 1.09887 2.91719 18.2108 2.4994 3.36599 18.2104 2.49919 3.81479 13.8567 1.09882 4.26359 8.00361 0.62548 4.71239 6.0908 0.462687 5.16119 5.3774 0.393463 5.60999 4.55667 0.344462 6.05879 3.90659 0.456551