CLAS physics database search results Measurement E159M552 E1-6 V. Burkert 2001 theta(pi-) dsigma/d(−cos(theta_pim)) Stat. error deg mcb/rad mcb/rad 9 1.69105 0.328222 27 2.26955 0.349452 45 2.56754 0.388443 63 2.4257 0.351832 81 2.74009 0.437928 99 2.32989 0.342805 117 2.21829 0.338273 135 2.27999 0.330672 153 2.46454 0.376106 171 3.16453 0.587478