CLAS physics database search results Measurement E1M34 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 1.2160305 0.25711751 108 1.0641406 0.21841195 180 1.3570769 0.19119497 251.99998 1.4064596 0.32540601 324 0.8385545 0.16436364