CLAS physics database search results Measurement E1M777 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 theta(pi-) dsigma/d(−cos(theta_pim)) Stat. error dimensionless mcbn/rad mcbn/rad 9 6.0981841 0.58238584 27 9.3854465 0.7499488 45 9.5519505 0.73603976 63 8.7960825 0.67135733 81 7.9960876 0.5743534 98.99999 7.4457254 0.57842302 117 6.2452884 0.60436052 135 6.8243942 0.7007432 153 11.059446 1.6710513 171 10.991602 1.1405771