CLAS physics database search results Measurement E159M399 E1-6 V. Burkert 2001 theta(pi-) dsigma/d(−cos(theta_pim)) Data errors deg mcb/rad mcb/rad 9 2.90981 0.501312 27 2.84087 0.424631 45 2.68933 0.398923 63 3.01362 0.430347 81 2.56354 0.36186 99 2.48104 0.351754 117 2.27787 0.346837 135 2.23511 0.33898 153 2.54369 0.400614 171 2.66137 0.452766