CLAS physics database search results Measurement E213M535 E1-6, 2025 R.W. Gothe, A. Trivedi 2001 theta(pi-) dsigma/d(−cos(theta_pim)) Stat. error Syst. error Total error deg mcb/rad mcb/rad mcb/rad mcb/rad 9 2.9244 0.2571 0.5498 0.8567 27 3.3306 0.1769 0.4036 0.5802 45 3.1901 0.1445 0.4159 0.6087 63 3.149 0.2346 0.4111 0.4733 81 3.2608 0.1308 0.4114 0.4317 99 2.7959 0.1316 0.355 0.3786 117 2.818 0.1188 0.3394 0.3596 135 2.7249 0.1178 0.3161 0.3374 153 3.2323 0.1358 0.3639 0.5231 171 3.2178 0.2423 0.4472 0.629