CLAS physics database search results Measurement E1M515 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 theta(pi+) dsigma/d(−cos(theta_pip)) Stat. error deg mcbn/rad mcbn/rad 9 15.143114 2.9247003 27 15.888216 2.1159847 45 12.662555 1.5688469 63 10.844062 0.55324793 81 10.397577 0.44035107 98.99999 10.515634 0.38195318 117 11.476517 0.61109108 135 11.390678 0.59043801 153 12.362715 1.347253 171 9.2662659 0.22217694