CLAS physics database search results Measurement E1M246 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 1.2446898 0.17750362 108 1.4690795 0.27519149 180 1.8937838 0.2741282 251.99998 1.4996747 0.19057111 324 1.1799208 0.18100625